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  • Kelly Butte Reservoir, the 25-million gallon underground reinforced concrete reservoir under construction atop Kelly Butte in Southeast Portland more than doubles the capacity of the original 10-million gallon steel tank dismantled at this location.  The new Kelly Butte Reservoir (online 2015) will allow Portland to comply with federal LT2 rules that condemned the century-old open drinking water reservoirs at Mount Tabor Park and Washington Park.  The contractor for the Kelly Butte Reservoir Project is Hoffman Construction Company.  Progress photo January 5, 2014.
    Kelly Butte Reservoir.jpg
  • Reservoir 1 (1894) is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  Mount Tabor's three open reservoirs and their ancillary structures were placed in the National Register of Historic Places on January 15, 2004.  The Environmental Protection Agency (EPA) regulation known as the Long Term 2 Enhanced Surface Water Treatment Rule (aka the LT2 Rule) imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them. To comply with these regulations, the Portland Water Bureau disconnected Mount Tabor's original uncovered reservoirs from the drinking water system in 2015, as part of a project called the Reservoir Disconnect Project.
    Dusk Empty Reservoir 1 Mt Tabor Park.jpg
  • Reservoir 1 (1894) is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  Mount Tabor's three open reservoirs and their ancillary structures were placed in the National Register of Historic Places on January 15, 2004.  The Environmental Protection Agency (EPA) regulation known as the Long Term 2 Enhanced Surface Water Treatment Rule (aka the LT2 Rule) imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them. To comply with these regulations, the Portland Water Bureau disconnected Mount Tabor's original uncovered reservoirs from the drinking water system in 2015, as part of a project called the Reservoir Disconnect Project.
    Reservoir 1 Mt Tabor Park BW.jpg
  • The Portland Water Bureau's open Reservoir 5 at dusk.  This is one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run sourse supplying them.
    Reservoir 5 Lights Mt Tabor Park.jpg
  • Reservoir 1 (1894) is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  Mount Tabor's three open reservoirs and their ancillary structures were placed in the National Register of Historic Places on January 15, 2004.  The Environmental Protection Agency (EPA) regulation known as the Long Term 2 Enhanced Surface Water Treatment Rule (aka the LT2 Rule) imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them. To comply with these regulations, the Portland Water Bureau disconnected Mount Tabor's original uncovered reservoirs from the drinking water system in 2015, as part of a project called the Reservoir Disconnect Project.
    End of Days for Reservoir 1.jpg
  • Reservoir 5 (1911) is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  Mount Tabor's three open reservoirs and their ancillary structures were placed in the National Register of Historic Places on January 15, 2004.  The Environmental Protection Agency (EPA) regulation known as the Long Term 2 Enhanced Surface Water Treatment Rule (aka the LT2 Rule) imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.
    Pink Sky Reservoir 5 Mt Tabor Park.jpg
  • Fog at Reservoir 1, emptied for restoration work, Mount Tabor Park, Portland, Oregon. Reservoir 1 is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park, with their ancillary structures, were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.  To comply with these regulations, the Portland Water Bureau disconnected Mount Tabor's original uncovered reservoirs from the drinking water system in 2015.
    Fog at Reservoir 1 Mt Tabor Park.jpg
  • Reflections on Reservoir 5, Mount Tabor Park, Portland, Oregon, USA.  In 1903, John Charles Olmsted of the Massachusetts-based landscape design firm Olmsted Brothers recommended that a city park be developed at Mount Tabor.  Portland Parks Superintendent Emanuel T. Mische, who had worked at Olmsted Brothers, consulted with Olmsted on the park layout and integration of the reservoirs into the park design. This is one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run sourse supplying them. To comply with these regulations, the Portland Water Bureau disconnected Mount Tabor's original uncovered reservoirs from the drinking water system in 2015.
    Reflections on Reservoir 5 Mt Tabor ...jpg
  • Spring on the slopes of Mt Tabor, overlooking Reservoir 6 and downtown Portland. To comply with drinking water regulations, the Portland Water Bureau disconnected Mount Tabor's original uncovered reservoirs from the drinking water system in 2015. Mount Tabor Park, Portland, Oregon, USA.
    Spring at Reservoir 6 Mt Tabor Park.jpg
  • Sunset over Portland and Reservoir 6 from Mount Tabor Park. To comply with drinking water regulations, the Portland Water Bureau disconnected Mount Tabor's original uncovered reservoirs from the drinking water system in 2015. Mount Tabor Park, Portland, Oregon, USA.
    Sunset Portland Reservoir 6 Mt Tabor...jpg
  • Drinking water Reservoir 5 violates the EPA LT2 Rule, Mount Tabor Park Portland, Oregon, USA.
    Drinking Water Reservoir 5 Mt Tabor ...jpg
  • Gatehouse 5 and reflections on Reservoir 5, with the City of Portland beyond.  This is one of three open reservoirs at Mount Tabor Park, and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park, with their ancillary structures, were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.
    Portland Beyond Reservoir 5 Mt Tabor...jpg
  • Sunset last light over Reservoir 5, Mount Tabor Park, Portland, Oregon, USA.
    Last Light Reservoir 5 Mt Tabor Park.jpg
  • Reservoir 1 after snow, at sunset, Mount Tabor Park, December 2008.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.  Nikon F4, 20/2.8D.  Fuji RVP 50.
    Reservoir 1 Snow at Night Mt Tabor P...jpg
  • The Portland Water Bureau's open Reservoir 5 at dusk.  This is one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run sourse supplying them.
    Reservoir 5 Dusk Glow Mt Tabor Park.jpg
  • Weir Building (1923), also called the Inlet Building or Dosing House, at Reservoir 1, one of three open reservoirs at Mount Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park, with their ancillary structures, were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them. Mount Tabor Park, Portland, Oregon, USA.
    weir-building-mount-tabor-reservoir.jpg
  • Reservoir 5 at sunset. Water is maintained in the open water reservoirs by agreement, but to comply with drinking water regulations, the Portland Water Bureau disconnected Mount Tabor's original uncovered reservoirs from the drinking water system in 2015. Mount Tabor Park, Portland, Oregon, USA.
    Reservoir 5 Blue Gold Sunset Mt Tabo...jpg
  • The moon and security lights reflect on Portland Water Bureau's open Reservoir 6 in Mount Tabor Park.  This is one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run sourse supplying them.  Photo: July 2011.  Nikon D700, 20-35/2.8D.
    Eight Lights, Reservoir 6, Mt Tabor ...jpg
  • Reservoir 1 (1894) on Mount Tabor was disconnected from the drinking water system in 2015 to comply with EPA drinking water protection regulations. Mount Tabor Park, Portland, Oregon, USA.
    Reservoir 1 Blue Hour Mt Tabor Park.jpg
  • Reservoir 5 on Mount Tabor. To comply with drinking water regulations, the Portland Water Bureau disconnected Mount Tabor's original uncovered reservoirs from the drinking water system in 2015. Mount Tabor Park, Portland, Oregon, USA.
    Reservoir 5 Landscape Mt Tabor Park.jpg
  • Fresh snow blankets Reservoir 5, one of three open reservoirs at Mt Tabor Park and of five total in Portland (background).  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run sourse supplying them.  Photo: January 2002.  Nikon F4, 24-85/2.8-4D.  Kodak E100VS
    Reservoir 5 and City of Portland Mou...jpg
  • Autumn reflection on Reservoir 5, Mount Tabor Park Portland, Oregon, USA.
    Autumn reflection on Reservoir 5, Mt...jpg
  • Inlet weir at Reservoir 5, Mount Tabor Park Portland, Oregon, USA.
    Inlet Weir Reservoir 5 Mt Tabor Park.jpg
  • Reservoir 5 bathed in beautiful late afternoon sunlight, Mount Tabor Park, Portland, Oregon.
    Reservoir Reflected Light Mt Tabor P...jpg
  • Dawn squall over Reservoir 6 in Mount Tabor Park, Portland, Oregon, USA.
    Dawn Squall Reservoir 6 Mt Tabor Par...jpg
  • Black and White ultra-wide angle panorama of Reservoir 5 at night. Mount Tabor Park, Portland, Oregon, USA.
    Reservoir Panorama BW Mt Tabor Park.jpg
  • Gatehouse 1 and Dosing House at Reservoir 1.  Reservoir 1 (1894) is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  Mount Tabor's three open reservoirs and their ancillary structures were placed in the National Register of Historic Places on January 15, 2004.  The Environmental Protection Agency (EPA) regulation known as the Long Term 2 Enhanced Surface Water Treatment Rule (aka the LT2 Rule) imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.
    AJH_141018_5592.jpg
  • Gatehouse 1 and Dosing House at Reservoir 1.  Reservoir 1 (1894) is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  Mount Tabor's three open reservoirs and their ancillary structures were placed in the National Register of Historic Places on January 15, 2004.  The Environmental Protection Agency (EPA) regulation known as the Long Term 2 Enhanced Surface Water Treatment Rule (aka the LT2 Rule) imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.
    AJH_211228_0077.jpg
  • Low water at Reservoir 5 reveals the interconnect conduit and the inlet flow path in profile at the Dosing House (Hypochlorite Building). Mount Tabor Park, Portland, Oregon, USA.
    AJH_210419_8463.jpg
  • Weir Building (1923), also called the Inlet Building or Dosing House, at Reservoir 1, one of three open reservoirs at Mount Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park, with their ancillary structures, were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them. Mount Tabor Park, Portland, Oregon, USA.
    AJH_200320_6414.jpg
  • Reservoir 7, Portland Water Bureau's last remaining active drinking water reservoir in Mount Tabor Park, is a covered, underground tank built in 1912, with a capacity of 200,000 gallons. Portland, Oregon, USA.
    AJH_211124_9837.jpg
  • Hypochlorite Building, also called the Dosing House, at Reservoir 5, Mount Tabor Park, Portland, Oregon, USA.
    AJH_211018_9301.jpg
  • Hypochlorite Building, also called the Dosing House, at Reservoir 5, Mount Tabor Park, Portland, Oregon, USA.
    AJH_191005_6170.jpg
  • Gatehouse 1 and Dosing House at Reservoir 1, one of three open reservoirs at Mount Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park, with their ancillary structures, were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them. Mount Tabor Park, Portland, Oregon, USA.
    AJH-05a-May-2015-Mount-Tabor-Park-Ca...jpg
  • Hypochlorite Building, also called the Dosing House, at Reservoir 5, Mount Tabor Park, Portland, Oregon, USA.
    AJH_211228_0068.jpg
  • Hypochlorite Building, also called the Dosing House, at Reservoir 5, Mount Tabor Park, Portland, Oregon, USA.
    AJH_191005_6163.jpg
  • Reservoir 7, Portland Water Bureau's last remaining active drinking water reservoir in Mount Tabor Park, is a covered, underground tank built in 1912, with a capacity of 200,000 gallons. Portland, Oregon, USA.
    AJH_170107_0018.jpg
  • Reservoir 7, Portland Water Bureau's last remaining active drinking water reservoir in Mount Tabor Park, is a covered, underground tank built in 1912, with a capacity of 200,000 gallons. Portland, Oregon, USA.  Snow: 10-JAN-2017. Photo: 11-JAN-2017.
    AJH_170111_9981.jpg
  • Hypochlorite Building, also called the Dosing House, at Reservoir 5, Mount Tabor Park, Portland, Oregon, USA.
    AJH_220331_0531.jpg
  • Reflections on Reservoir 5, Mount Tabor Park
    04-April-2014.jpg
  • Railing and snow at Reservoir 5, one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run sourse supplying them.  Photo: January 2002.  Nikon F4, 24-85/2.8-4D.  Kodak E100VS
    January 2014 Mount Tabor Park Calend...jpg
  • Reservoir 7, Portland Water Bureau's last remaining active drinking water reservoir in Mount Tabor Park, Portland, Oregon, USA.
    AJH_220208_0293.jpg
  • Valves at Gatehouse 1, Reservoir 1.  Mount Tabor Park, Portland.  This is one of three open reservoirs at Mount Tabor Park, and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park, with their ancillary structures, were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.
    AJH-01b-January-2015-Mount-Tabor-Par...jpg
  • Reservoir 5, Mount Tabor Park
    09-September-2014.jpg
  • Reflections on Reservoir 5, Mount Tabor Park
    April 2014 Mount Tabor Park Calendar.jpg
  • Sun sets over Reservoir 5, one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run sourse supplying them.  Photo: September 2004.  Nikon F4, 20-35/2.8D.  Kodak E100VS
    5_May.jpg
  • Reservoir 5, one of three open reservoirs at Mount Tabor Park and of five total in Portland.  In 1903, John Charles Olmsted of the Massachusetts-based landscape design firm Olmsted Brothers recommended that a city park be developed at Mount Tabor.  Portland Parks Superintendent Emanuel T. Mische, who had worked at Olmsted Brothers, consulted with Olmsted on the park layout and integration of the reservoirs into the park design. The 3 open reservoirs in Mount Tabor Park, with their ancillary structures, were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them. Mount Tabor Park, Portland, Oregon, USA.
    AJH-06a-June-2015-Mount-Tabor-Park-C...jpg
  • Gatehouse 5 and reflections on Reservoir 5, with the City of Portland beyond.  This is one of three open reservoirs at Mount Tabor Park, and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park, with their ancillary structures, were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.
    _Cover 2011.jpg
  • Reservoir 5, Mount Tabor Park, Portland, Oregon
    September 2014 Mount Tabor Park Cale...jpg
  • Fresh snow blankets Reservoir 5, one of three open reservoirs at Mt Tabor Park and of five total in Portland (background).  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run sourse supplying them.  Photo: January 2002.  Nikon F4, 24-85/2.8-4D.  Kodak E100VS
    AJH-02a-February-2015-Mount-Tabor-Pa...jpg
  • Empty Reservoir 1, Mount Tabor Park, Portland, Oregon, USA.
    AJH-11a-November-2015-Mount-Tabor-Pa...jpg
  • Reservoir 6 headhouse, Mount Tabor Park,  Portland, Oregon, USA.
    AJH-09a-September-2015-Mount-Tabor-P...jpg
  • Gatehouse 5 with empty Reservoir 5 blanketed in snow, with SE Hawthorne Boulevard and the City of Portland beyond.  Mount Tabor Park, Portland, Oregon, USA. In 1903, John Charles Olmsted of the Massachusetts-based landscape design firm Olmsted Brothers recommended that a city park be developed at Mount Tabor.  Portland Parks Superintendent Emanuel T. Mische, who had worked at Olmsted Brothers, consulted with Olmsted on the park layout and integration of the reservoirs into the park design.
    Portland-Snow-Gatehouse5-Mt-Tabor-Pa...jpg
  • Portland Water Bureau's open Reservoir 6 in Mount Tabor Park at dusk.  This is one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run sourse supplying them.  Photo: July 2011.  Nikon D700, 20-35/2.8D.
    AJH-04a-April-2015-Mount-Tabor-Park-...jpg
  • Gatehouse 5 and reflections on Reservoir 5, with the City of Portland beyond.  This is one of three open reservoirs at Mount Tabor Park, and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park, with their ancillary structures, were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.
    AJH-03a-March-2015-Mount-Tabor-Park-...jpg
  • Reservoir 1 after snow, at sunset, Mount Tabor Park, December 2008.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.  Nikon F4, 20/2.8D.  Fuji RVP 50.
    AJH-01a-January-2015-Mount-Tabor-Par...jpg
  • Gatehouse 5 and Reservoir 5 with Poison Oak Hill beyond. Mount Tabor Park, Portland, Oregon, USA.
    AJH_210306_7745_DRV.jpg
  • Reservoir 5 at dusk, Mount Tabor Park, Portland, Oregon.
    AJH-08a-August-2015-Mount-Tabor-Park...jpg
  • Period lighting from 1924, comprising polygonal lantern-style shades, reminiscent of gaslamps. These replaced the original single white globes from 1911, thanks to the vision of Parks Superintendent Emanuel T. Mische. Reservoir Loop Drive, Mount Tabor Park, Portland, Oregon, USA.
    AJH_191005_6156.jpg
  • Reservoir 6 headhouse, Mount Tabor Park,  Portland, Oregon, USA.
    AJH-04b-April-2015-Mount-Tabor-Park-...jpg
  • Drinking water Reservoir 5, Mount Tabor Park Portland, Oregon, USA.
    AJH-06b-June-2015-Mount-Tabor-Park-C...jpg
  • Reservoir 5 inlet weir from the dosing house, Mount Tabor Park, Portland, Oregon, USA.
    AJH-08b-August-2015-Mount-Tabor-Park...jpg
  • In 1903, John Charles Olmsted of the Massachusetts-based landscape design firm Olmsted Brothers recommended that a city park be developed at Mount Tabor.  Portland Parks Superintendent Emanuel T. Mische, who had worked at Olmsted Brothers, consulted with Olmsted on the park layout and integration of the reservoirs into the park design. This is one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run sourse supplying them. Portland, Oregon, USA.
    Ice on Reservoir 5 Mt Tabor Park.jpg
  • Low water level in Reservoir 5 reveals the interconnect conduit, a direct pipe connection between Reservoir 5 and Reservoir 1 that maintains both reservoirs at exactly the same water surface elevation or allows one to be filled from the other when empty. The interconnect conduit runs in a concrete tunnel between the two reservoirs. Mount Tabor Park, Portland, Oregon, USA.
    Mount Tabor Reservoirs Interconnect ...jpg
  • In 1903, John Charles Olmsted of the Massachusetts-based landscape design firm Olmsted Brothers recommended that a city park be developed at Mount Tabor.  Portland Parks Superintendent Emanuel T. Mische, who had worked at Olmsted Brothers, consulted with Olmsted on the park layout and integration of the reservoirs into the park design. This is one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run sourse supplying them. Portland, Oregon, USA.
    01-January-2014.jpg
  • Celebration of Mount Tabor Park, one of the oldest urban parks in the United States.  Located on an extinct volcanic cinder cone, and designed in 1909 by Emanuel T. Mische and John Charles Olmsted, this urban park incorporated working open water reservoirs, a vital link to bringing fresh, high-quality drinking water from Bull Run to the Portland area.  These reservoirs have been condemned by new EPA regulations, and plans are already in progress for their elimination from the water distribution system.  Standard format – 8.5" x 11" (217mm x 280mm) – full color.  All photos © Andrew Haliburton.
    2012-09-September.jpg
  • Celebration of Mount Tabor Park, one of the oldest urban parks in the United States.  Located on an extinct volcanic cinder cone, and designed in 1909 by Emanuel T. Mische and John Charles Olmsted, this urban park incorporated working open water reservoirs, a vital link to bringing fresh, high-quality drinking water from Bull Run to the Portland area.  These reservoirs have been condemned by new EPA regulations, and plans are already in progress for their elimination from the water distribution system.  Standard format – 8.5" x 11" (217mm x 280mm) – full color.  All photos © Andrew Haliburton.
    2012-06-June.jpg
  • In 1903, John Charles Olmsted of the Massachusetts-based landscape design firm Olmsted Brothers recommended that a city park be developed at Mount Tabor.  Portland Parks Superintendent Emanuel T. Mische, who had worked at Olmsted Brothers, consulted with Olmsted on the park layout and integration of the reservoirs into the park design. This is one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run sourse supplying them. Portland, Oregon, USA.
    February 2014 Mount Tabor Park Calen...jpg
  • Celebration of Mount Tabor Park, one of the oldest urban parks in the United States.  Located on an extinct volcanic cinder cone, and designed in 1909 by Emanuel T. Mische and John Charles Olmsted, this urban park incorporated working open water reservoirs, a vital link to bringing fresh, high-quality drinking water from Bull Run to the Portland area.  These reservoirs have been condemned by new EPA regulations, and plans are already in progress for their elimination from the water distribution system.  Standard format – 8.5" x 11" (217mm x 280mm) – full color.  All photos © Andrew Haliburton.
    2012-07-July.jpg
  • Celebration of Mount Tabor Park, one of the oldest urban parks in the United States.  Located on an extinct volcanic cinder cone, and designed in 1909 by Emanuel T. Mische and John Charles Olmsted, this urban park incorporated working open water reservoirs, a vital link to bringing fresh, high-quality drinking water from Bull Run to the Portland area.  These reservoirs have been condemned by new EPA regulations, and plans are already in progress for their elimination from the water distribution system.  Standard format – 8.5" x 11" (217mm x 280mm) – full color.  All photos © Andrew Haliburton.
    2012-03-March.jpg
  • In 1903, John Charles Olmsted of the Massachusetts-based landscape design firm Olmsted Brothers recommended that a city park be developed at Mount Tabor.  Portland Parks Superintendent Emanuel T. Mische, who had worked at Olmsted Brothers, consulted with Olmsted on the park layout and integration of the reservoirs into the park design. This is one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run sourse supplying them. Portland, Oregon, USA.
    02-February-2014.jpg
  • Celebration of Mount Tabor Park, one of the oldest urban parks in the United States.  Located on an extinct volcanic cinder cone, and designed in 1909 by Emanuel T. Mische and John Charles Olmsted, this urban park incorporated working open water reservoirs, a vital link to bringing fresh, high-quality drinking water from Bull Run to the Portland area.  These reservoirs have been condemned by new EPA regulations, and plans are already in progress for their elimination from the water distribution system.  Standard format – 8.5" x 11" (217mm x 280mm) – full color.  All photos © Andrew Haliburton.
    2012-10-October.jpg
  • In 1903, John Charles Olmsted of the Massachusetts-based landscape design firm Olmsted Brothers recommended that a city park be developed at Mount Tabor.  Portland Parks Superintendent Emanuel T. Mische, who had worked at Olmsted Brothers, consulted with Olmsted on the park layout and integration of the reservoirs into the park design. This is one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run sourse supplying them. Portland, Oregon, USA.
    AJH-12b-December-2015-Mount-Tabor-Pa...jpg
  • The 3 reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.
    AJH_19486_DRV.jpg
  • The 3 reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.
    AJH-12b-December-2016-Mt-Tabor-Park-...jpg
  • Snow blankets Douglas fir trees around Reservoir 5, one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.  Photo: January 2002.  Nikon F4, 24-85/2.8-4D.  Kodak E100VS
    Firs Snow and Reservoir 5, Mt Tabor ...jpg
  • Railing and snow at Reservoir 5, one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.  Photo: January 2002.  Nikon F4, 24-85/2.8-4D.  Kodak E100VS
    Winter Reservoir, Mt Tabor Park.jpg
  • Railing and snow at Reservoir 5, one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.  Photo: January 2002.  Nikon F4, 24-85/2.8-4D.  Kodak E100VS
    Winter Reservoir, Mt Tabor Park.jpg
  • Railing and snow at Reservoir 5, one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.  Photo: January 2002.  Nikon F4, 24-85/2.8-4D.  Kodak E100VS
    Winter Reservoir, Mt Tabor Park.jpg
  • Snow blankets Douglas fir trees around Reservoir 5, one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.  Photo: January 2002.  Nikon F4, 24-85/2.8-4D.  Kodak E100VS
    Snow and Reservoir 5, Mt Tabor Park.jpg
  • View of Reservoir 5 through autumn leaves at sunset, Mt Tabor Park.  This is one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run sourse supplying them.
    Sunset Over Reservoir 5, Mt Tabor Pa...jpg
  • Sun sets over Reservoir 5, one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.  Photo: September 2004.  Nikon F4, 20-35/2.8D.  Kodak E100VS
    Reservoir 5 Silhouettes, Mt Tabor Pa...jpg
  • Fresh snow blankets Reservoir 5, one of three open reservoirs at Mt Tabor Park and of five total in Portland (background).  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.  Photo: January 2002.  Nikon F4, 24-85/2.8-4D.  Kodak E100VS
    Snow on Reservoir 5, Mt Tabor Park.jpg
  • Spillway detail and access stairs at Reservoir 5, Mount Tabor Park Portland Oregon
    Spillway-Detail-Reservoir-5.jpg
  • Firs reflected in a late summer sunset in Mount Tabor Park at Reservoir 5, one of three open reservoirs at Mt Tabor Park and of five total in Portland.  The 3 open reservoirs in Mount Tabor Park were placed in the National Register of Historic Places on January 15, 2004.  Environmental Protection Agency (EPA) regulation: Long Term 2 Enhanced Surface Water Treatment Rule, referred to as the LT2 rule imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run sourse supplying them.
    Reservoir 5, Mt Tabor Park.jpg
  • Hundred-year-old water distribution control valves at Gatehouse 1, Reservoir 1, Mount Tabor Park, Portland, Oregon, USA. In 1903, John Charles Olmsted of the Massachusetts-based landscape design firm Olmsted Brothers recommended that a city park be developed at Mount Tabor.  Portland Parks Superintendent Emanuel T. Mische, who had worked at Olmsted Brothers, consulted with Olmsted on the park layout and integration of the reservoirs into the park design.
    Valves Reservoir 1, Mt Tabor Park.jpg
  • Study of drinking water Reservoir 5, which violates the EPA LT2 Rule, Mount Tabor Park,  Portland, Oregon.
    Study of Drinking Water Reservoir 5,...jpg
  • Hundred-year-old water distribution control valves at Gatehouse 1, Reservoir 1, Mount Tabor Park, Portland, Oregon, USA.  Photo taken 28 March 2008.  Soon after this photo was taken, one valve was overhauled, one was replaced by a modern valve, and the platform was wrapped in a reinforced security cage, making this image impossible to repeat.  The image was made at night; the valves illuminated with two lights, filtered with blue and orange gels respectively.
    Valves Reservoir 1, Mt Tabor Park.jpg
  • Reservoir 5 at Mt Tabor Park was emptied by Portland Water Bureau in October 2022, to check for leaks in the liner, seen here. Reservoir 5 (1911) is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  Mount Tabor's three open reservoirs and their ancillary structures were placed in the National Register of Historic Places in 2004.  The Environmental Protection Agency (EPA) 2006 regulation known as the Long Term 2 Enhanced Surface Water Treatment Rule (aka the LT2 Rule) imposed new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them. These requirements could not practicably be met while maintaining these open reservoirs, and in 2016 all of the reservoirs at Mount Tabor were finally taken offline and permanently disconnected from Portland’s drinking water system. Portland, Oregon, USA.
    AJH_221017_1327.jpg
  • Valve details at Reservoir 1 Gatehouse. Reservoir 1 (1894) is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  Mount Tabor's three open reservoirs and their ancillary structures were placed in the National Register of Historic Places on January 15, 2004.  The Environmental Protection Agency (EPA) regulation known as the Long Term 2 Enhanced Surface Water Treatment Rule (aka the LT2 Rule) imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.
    AJH_150818_7141_DRV-2.jpg
  • Valve details at Reservoir 1 Gatehouse. Reservoir 1 (1894) is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  Mount Tabor's three open reservoirs and their ancillary structures were placed in the National Register of Historic Places on January 15, 2004.  The Environmental Protection Agency (EPA) regulation known as the Long Term 2 Enhanced Surface Water Treatment Rule (aka the LT2 Rule) imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.
    AJH-09b-September-2016-Mt-Tabor-Park...jpg
  • Reservoir 5 at Mt Tabor Park was emptied by Portland Water Bureau in October 2022, to check for leaks in the liner, seen here. Reservoir 5 (1911) is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  Mount Tabor's three open reservoirs and their ancillary structures were placed in the National Register of Historic Places in 2004.  The Environmental Protection Agency (EPA) 2006 regulation known as the Long Term 2 Enhanced Surface Water Treatment Rule (aka the LT2 Rule) imposed new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them. These requirements could not practicably be met while maintaining these open reservoirs, and in 2016 all of the reservoirs at Mount Tabor were finally taken offline and permanently disconnected from Portland’s drinking water system. Portland, Oregon, USA.
    AJH_221110_1555.jpg
  • Reservoir 5 at Mt Tabor Park was emptied by Portland Water Bureau in October 2022, to check for leaks in the liner, seen here. Reservoir 5 (1911) is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  Mount Tabor's three open reservoirs and their ancillary structures were placed in the National Register of Historic Places in 2004.  The Environmental Protection Agency (EPA) 2006 regulation known as the Long Term 2 Enhanced Surface Water Treatment Rule (aka the LT2 Rule) imposed new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them. These requirements could not practicably be met while maintaining these open reservoirs, and in 2016 all of the reservoirs at Mount Tabor were finally taken offline and permanently disconnected from Portland’s drinking water system. Portland, Oregon, USA.
    AJH_221017_1322.jpg
  • Valve details at Reservoir 1 Gatehouse. Reservoir 1 (1894) is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  Mount Tabor's three open reservoirs and their ancillary structures were placed in the National Register of Historic Places on January 15, 2004.  The Environmental Protection Agency (EPA) regulation known as the Long Term 2 Enhanced Surface Water Treatment Rule (aka the LT2 Rule) imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.
    AJH_150818_7151.jpg
  • Reservoir 5 at Mt Tabor Park was emptied by Portland Water Bureau in October 2022, to check for leaks in the liner, seen here. Reservoir 5 (1911) is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  Mount Tabor's three open reservoirs and their ancillary structures were placed in the National Register of Historic Places in 2004.  The Environmental Protection Agency (EPA) 2006 regulation known as the Long Term 2 Enhanced Surface Water Treatment Rule (aka the LT2 Rule) imposed new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them. These requirements could not practicably be met while maintaining these open reservoirs, and in 2016 all of the reservoirs at Mount Tabor were finally taken offline and permanently disconnected from Portland’s drinking water system. Portland, Oregon, USA.
    AJH_221110_1557.jpg
  • Reservoir 5 at Mt Tabor Park was emptied by Portland Water Bureau in October 2022, to check for leaks in the liner, seen here. Reservoir 5 (1911) is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  Mount Tabor's three open reservoirs and their ancillary structures were placed in the National Register of Historic Places in 2004.  The Environmental Protection Agency (EPA) 2006 regulation known as the Long Term 2 Enhanced Surface Water Treatment Rule (aka the LT2 Rule) imposed new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them. These requirements could not practicably be met while maintaining these open reservoirs, and in 2016 all of the reservoirs at Mount Tabor were finally taken offline and permanently disconnected from Portland’s drinking water system. Portland, Oregon, USA.
    AJH_221110_1553.jpg
  • Reservoir 5 at Mt Tabor Park was emptied by Portland Water Bureau in October 2022, to check for leaks in the liner, seen here. Reservoir 5 (1911) is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  Mount Tabor's three open reservoirs and their ancillary structures were placed in the National Register of Historic Places in 2004.  The Environmental Protection Agency (EPA) 2006 regulation known as the Long Term 2 Enhanced Surface Water Treatment Rule (aka the LT2 Rule) imposed new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them. These requirements could not practicably be met while maintaining these open reservoirs, and in 2016 all of the reservoirs at Mount Tabor were finally taken offline and permanently disconnected from Portland’s drinking water system. Portland, Oregon, USA.
    AJH_221017_1331.jpg
  • Reservoir 5 at Mt Tabor Park was emptied by Portland Water Bureau in October 2022, to check for leaks in the liner, seen here. Reservoir 5 (1911) is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  Mount Tabor's three open reservoirs and their ancillary structures were placed in the National Register of Historic Places in 2004.  The Environmental Protection Agency (EPA) 2006 regulation known as the Long Term 2 Enhanced Surface Water Treatment Rule (aka the LT2 Rule) imposed new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them. These requirements could not practicably be met while maintaining these open reservoirs, and in 2016 all of the reservoirs at Mount Tabor were finally taken offline and permanently disconnected from Portland’s drinking water system. Portland, Oregon, USA.
    AJH_221017_1323.jpg
  • Valve details at Reservoir 1 Gatehouse. Reservoir 1 (1894) is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  Mount Tabor's three open reservoirs and their ancillary structures were placed in the National Register of Historic Places on January 15, 2004.  The Environmental Protection Agency (EPA) regulation known as the Long Term 2 Enhanced Surface Water Treatment Rule (aka the LT2 Rule) imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.
    AJH_04b_April-2020.jpg
  • Reservoir 1 (1894) is one of three open reservoirs at Mount Tabor Park and of five total in Portland.  Mount Tabor's three open reservoirs and their ancillary structures were placed in the National Register of Historic Places on January 15, 2004.  The Environmental Protection Agency (EPA) regulation known as the Long Term 2 Enhanced Surface Water Treatment Rule (aka the LT2 Rule) imposes new requirements that open water reservoirs be covered, buried or additionally treated.  This applies to Portland's five open reservoirs and to the unfiltered Bull Run source supplying them.
    AJH_01b_January-2019.jpg
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