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  • 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
  • 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
  • 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
  • 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
  • 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
  • Empty Reservoir 1, Mount Tabor Park, Portland, Oregon, USA.
    AJH-11a-November-2015-Mount-Tabor-Pa...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
  • 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
  • Reservoir 7, Portland Water Bureau's last remaining active drinking water reservoir in Mount Tabor Park, Portland, Oregon, USA.
    AJH_220208_0293.jpg
  • Water level gauge and outlet valve at Bull Run Lake 968m (3,175ft). This is the highest reservoir in the Bull Run Watershed and is celebrated for the high purity of its water. This is the origin of Portland's drinking water, which flows by gravity to the Mount Tabor reservoirs before entering the City's water distribution network.
    Gauge and Valve Bull Run Lake.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
  • Spring blossoms in Mount Tabor Park, Portland, Oregon, USA.  Nikon MF Nikkor 105mm f/1.8 AIS
    AJH_04b_April-2019.jpg
  • Portland sunset from Mount Tabor Park
    00-Cover-2015-1024px.jpg
  • Acer circinatum (Vine Maple), Mount Tabor Park, Portland, Oregon, USA
    AJH-09b-September-2015-Mount-Tabor-P...jpg
  • Portland sunset from Mount Tabor Park
    AJH-00-Cover-2015-Mount-Tabor-Park-C...jpg
  • Portland sunset from Mount Tabor Park
    00-Cover-2015-Mt-Tabor-Park-Calendar...jpg
  • Spring blossoms in Mount Tabor Park, Portland, Oregon, USA.  Nikon MF Nikkor 105mm f/1.8 AIS
    AJH_180310_3331.jpg
  • 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.
    Dosing House 1 Mt Tabor Park.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.
    Gatehouse 1 Dosing House Mt Tabor Pa...jpg
  • Sun's first rays on Gatehouse 5, while fog blankets the city, Mount Tabor Park, Portland, Oregon, USA.
    AJH_12b_December-2020.jpg
  • Spring blossoms frame the view of Gatehouse 5 (1911) juxtaposed with the modern skyscrapers of 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. The open water reservoirs in Mount Tabor Park are usually kept full, but do need to be emptied periodically for maintenance or refreshing the water which is not treated. Portland, Oregon, USA.
    Gatehouse 5 Skyscrapers Vertical Mt ...jpg
  • Fall colors, Mount Tabor Park, Portland, Oregon
    October 2014 Mount Tabor Park Calend...jpg
  • Acer circinatum (Vine Maple), Mount Tabor Park, Portland, Oregon
    November 2014 Mount Tabor Park Calen...jpg
  • Reservoir 5, Mount Tabor Park, Portland, Oregon
    September 2014 Mount Tabor Park Cale...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
  • 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.
    Equinox Sunset 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
  • 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
  • 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
  • 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_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_221017_1323.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_1326.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
  • 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
  • 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
  • Spring blossoms frame the view of Gatehouse 5 (1911) juxtaposed with the modern skyscrapers of 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. The open water reservoirs in Mount Tabor Park are usually kept full, but do need to be emptied periodically for maintenance or refreshing the water which is not treated. Portland, Oregon, USA.
    Gatehouse 5 and Skyscrapers Mt Tabor...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 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
  • Outlet valve at Bull Run Lake 968m (3,175ft), with Mount Hood 3,424m (11,234ft) beyond. This is the highest reservoir in the Bull Run Watershed and is celebrated for the high purity of its water. This is the origin of Portland's drinking water, which flows by gravity to the Mount Tabor reservoirs before entering the City's water distribution network.
    Valve Mount Hood Bull Run Lake.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
  • Outlet valve at Bull Run Lake 968m (3,175ft), with Mount Hood 3,424m (11,234ft) beyond. This is the highest reservoir in the Bull Run Watershed and is celebrated for the high purity of its water. This is the origin of Portland's drinking water, which flows by gravity to the Mount Tabor reservoirs before entering the City's water distribution network.
    Mt Hood and Valve Bull Run Lake.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
  • Mount Hood 3,426m (11,239ft) at sunrise, viewed from Mount Tabor Park in Portland.  The left skyline is Cathedral Ridge, and the right skyline is the Southeast Ridge.  The bulge in the Southeast Ridge is called the Steel Cliff.  Mount Hood is a stratovolcano in the Cascade Volcanic Arc of Northern Oregon.  The mountain's twelve glaciers are thinning as a result of glacial retreat attributed to Global Warming associated with World Climate Change.  Nikon D700. AF300/4.
    AJH_02b_February-2019.jpg
  • The Mount Tabor Park Calendar is an 8-year personal project of photographer Andrew Haliburton celebrating Portland’s beloved park and former reservoirs. The park covers 190 acres, offering many recreational amenities including paved and unpaved trails, play areas, basketball court, tennis courts and picnic areas. For over 100 years, the reservoirs functioned at the heart of Portland’s drinking water supply, balancing the flow of drinking water from Bull Run. The Portland Water Bureau disconnected the reservoirs and removed them from the City's water distribution network in 2016.
    Andrew-Haliburton-2017-Calendar-Mt-T...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
  • 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
  • Dosing House and Gatehouse 5 at Reservoir 5, 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.
    Dosing House and Gatehouse 5 Mt Tabo...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
  • Dam 1, a curved concrete gravity dam, constructed 1925-1929, in the 102-square-mile Bull Run watershed near Mount Hood, has a maximum reservoir capacity of 10 billion gallons, making it the primary contributor to the Portland Water System Distribution Area.  The spillway gates visible in this photo, added to the dam in 1955, increased the reservoir capacity from the original 8.8 billion gallons to 10 billion gallons.
    Spillway Dam 1 Bull Run.jpg
  • Bull Run Lake 968m (3,175ft), with Mount Hood 3,424m (11,234ft) beyond.  This is the highest reservoir in the Bull Run Watershed and is celebrated for the high purity of its water.  This is the origin of Portland's drinking water.
    Mount Hood Bull Run Lake.jpg
  • Tailrace at Dam 1, a curved concrete gravity dam, constructed 1925-1929, in the 102-square-mile Bull Run watershed near Mount Hood, has a maximum reservoir capacity of 10 billion gallons, making it the primary contributor to the Portland Water System Distribution Area.  This is the origin of Portland's drinking water, which flows by gravity to the Mount Tabor reservoirs before entering the City's water distribution network.
    Red Tailrace Dam 1 Bull Run.jpg
  • Inlet weir at Reservoir 5, Mount Tabor Park Portland, Oregon, USA.
    Inlet Weir Reservoir 5 Mt Tabor Park.jpg
  • Bull Run Lake 968m (3,175ft), with Mount Hood 3,424m (11,234ft) beyond.  This is the highest reservoir in the Bull Run Watershed and is celebrated for the high purity of its water.  This is the origin of Portland's drinking water.  Nikon D700, 24-70/2.8.
    Mt Hood Bull Run Lake Panorama.jpg
  • Dam 1, a curved concrete gravity dam, constructed 1925-1929, in the 102-square-mile Bull Run watershed near Mount Hood, has a maximum reservoir capacity of 10 billion gallons, making it the primary contributor to the Portland Water System Distribution Area.
    Steps Dam Bull Run.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
  • Autumn reflection on Reservoir 5, Mount Tabor Park Portland, Oregon, USA.
    Autumn reflection on Reservoir 5, Mt...jpg
  • Dam 1, a curved concrete gravity dam, constructed 1925-1929, in the 102-square-mile Bull Run watershed near Mount Hood, has a maximum reservoir capacity of 10 billion gallons, making it the primary contributor to the Portland Water System Distribution Area.  The spillway gates visible in this photo, added to the dam in 1955, increased the reservoir capacity from the original 8.8 billion gallons to 10 billion gallons.
    Stilling Basin Dam 1 Bull Run.jpg
  • Dam 1, a curved concrete gravity dam, constructed 1925-1929, in the 102-square-mile Bull Run watershed near Mount Hood, has a maximum reservoir capacity of 10 billion gallons, making it the primary contributor to the Portland Water System Distribution Area.  The spillway gates visible in this photo, added to the dam in 1955, increased the reservoir capacity from the original 8.8 billion gallons to 10 billion gallons.
    Spillway Gates Vertical Bull Run.jpg
  • Dam 1, a curved concrete gravity dam, constructed 1925-1929, in the 102-square-mile Bull Run watershed near Mount Hood, has a maximum reservoir capacity of 10 billion gallons, making it the primary contributor to the Portland Water System Distribution Area.  The spillway gates visible in this photo, added to the dam in 1955, increased the reservoir capacity from the original 8.8 billion gallons to 10 billion gallons.
    Dam 1 Gatehouse Bull Run.jpg
  • Dam 1, a curved concrete gravity dam, constructed 1925-1929, in the 102-square-mile Bull Run watershed near Mount Hood, has a maximum reservoir capacity of 10 billion gallons, making it the primary contributor to the Portland Water System Distribution Area.  The spillway gates visible in this photo, added to the dam in 1955, increased the reservoir capacity from the original 8.8 billion gallons to 10 billion gallons.
    Spillway Gates Horizontal Bull Run.jpg
  • Historic light fixture in Mount Tabor Park catches the setting sun as Gatehouse 6 and Reservoir 6 recede into evening shadows. Portland, Oregon, USA
    Historic Luminaire Gatehouse 6 Mt Ta...jpg
  • Dam 1, a curved concrete gravity dam, constructed 1925-1929, in the 102-square-mile Bull Run watershed near Mount Hood, has a maximum reservoir capacity of 10 billion gallons, making it the primary contributor to the Portland Water System Distribution Area.
    Dam 1 Bull Run Watershed.jpg
  • Forest plants in the Bull Run watershed near Mount Hood, Oregon.  This is the origin of Portland's drinking water, which flows by gravity to the Mount Tabor reservoirs before entering the City's water distribution network.
    Forest plants 1 Bull Run.jpg
  • Path and forest plants in the Bull Run watershed near Mount Hood, Oregon.  This is the origin of Portland's drinking water, which flows by gravity to the Mount Tabor reservoirs before entering the City's water distribution network.
    Forest Plants and Path Bull Run.jpg
  • Mount Hood 3,426m (11,239ft) at sunrise, viewed from Mount Tabor Park in Portland.  The left skyline is Cathedral Ridge, and the right skyline is the Southeast Ridge.  The bulge in the Southeast Ridge is called the Steel Cliff.  Mount Hood is a stratovolcano in the Cascade Volcanic Arc of Northern Oregon.  The mountain's twelve glaciers are thinning as a result of glacial retreat attributed to Global Warming associated with World Climate Change.  Nikon D700. AF300/4.
    AJH_130118_0285.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
  • 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
  • Forest plants in the Bull Run watershed near Mount Hood, Oregon.  This is the origin of Portland's drinking water, which flows by gravity to the Mount Tabor reservoirs before entering the City's water distribution network.
    Forest plants 2 Bull Run.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
  • Snow blankets Reservoir 1 (1894) in Mount Tabor Park, Portland, Oregon, USA.  Snowfall: 10-JAN-2017. Photo: 11-JAN-2017. Nikon D700.
    AJH_01a_January-2019.jpg
  • Reservoir 6 (1911) and Inlet Gatehouse 6 in Mount Tabor Park, Portland, Oregon.  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 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.  In 2016, all of the reservoirs at Mount Tabor were finally taken offline and permanently disconnected from Portland’s drinking water system. Nikon D700. Nikon PC-Nikkor 28mm f/3.5.
    AJH_160905_8775_MA.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
  • Snow blankets Reservoir 1 (1894) in Mount Tabor Park, Portland, Oregon, USA.  Snowfall: 10-JAN-2017. Photo: 11-JAN-2017. Nikon D700.
    AJH_12a_December-2019.jpg
  • Gatehouse 1 and 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_211124_9870.jpg
  • Valves at Outlet Gatehouse 6 once controlled the flow of fresh water from the reservoir directly to the city's potable water network.  Reservoir 6 (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.
    AJH_150818_7159.jpg
  • Reservoir 6 (1911) and Inlet Gatehouse 6 in Mount Tabor Park, Portland, Oregon.  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 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.  In 2016, all of the reservoirs at Mount Tabor were finally taken offline and permanently disconnected from Portland’s drinking water system. Nikon D700. Nikon PC-Nikkor 28mm f/3.5.
    AJH_171101_2018-Calendar-Front-Cover.jpg
  • Mount Tabor Reservior 5 after the "Disconnect Project". 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.  In 2016, all of the reservoirs at Mount Tabor were finally taken offline and permanently disconnected from Portland’s drinking water system.
    AJH_160828_8697_MA.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.  In 2016, all of the reservoirs at Mount Tabor were finally taken offline and permanently disconnected from Portland’s drinking water system.
    AJH_150419_6404_MA.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
  • Gatehouse 5 at Reservoir 5. 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.  In 2016, all of the reservoirs at Mount Tabor were finally taken offline and permanently disconnected from Portland’s drinking water system.
    AJH_150926_7503_MA.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. 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.  In 2016, all of the reservoirs at Mount Tabor were finally taken offline and permanently disconnected from Portland’s drinking water system.
    AJH_150926_7529_MA.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.  In 2016, all of the reservoirs at Mount Tabor were finally taken offline and permanently disconnected from Portland’s drinking water system.
    AJH_151009_7625_MA.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.  In 2016, all of the reservoirs at Mount Tabor were finally taken offline and permanently disconnected from Portland’s drinking water system.
    AJH_150419_6394_MA.jpg
  • Reservoir 6 (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.  In 2016, all of the reservoirs at Mount Tabor were finally taken offline and permanently disconnected from Portland’s drinking water system. Nikon D700. Nikon AF Nikkor 18mm f/2.8D.
    AJH_160905_8795_MA.jpg
  • Reservoir 6 (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.
    AJH-07a-July-2016-Mt-Tabor-Park-Cale...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 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_150917_7396.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.
    AJH-06a-June-2016-Mt-Tabor-Park-Cale...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.
    AJH-04a-April-2016-Mt-Tabor-Park-Cal...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-10b-October-2016-Mt-Tabor-Park-C...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-09a-September-2016-Mt-Tabor-Park...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_220331_0531.jpg
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