District of Columbia Water and Sewer Authority - Statistics

Statistics

  • Employees: 1,000 (FY 2009)
  • Service area: 725 square miles (1,880 km2)
  • Drinking water pumped: 108 million US gallons (410,000 m3) a day (FY 2009)
  • Drinking water distribution
    • Pipes: 1,300 miles (2,100 km)
    • Pumping Stations: 5
    • Reservoirs: 5
    • Elevated water storage tanks: 3
    • Valves: 36,000
    • Public Hydrants: 9,000+
  • Sewers
    • Sanitary and combined sewers: 1,800 miles (2,900 km)
    • Flow-metering stations: 22
    • Off-site wastewater pumping stations: 9
  • Blue Plains Advanced Wastewater Treatment Plant
    • Largest advanced wastewater treatment plant in the world
    • 150 acres (0.61 km2)
    • Capacity: 370 million US gallons (1,400,000 m3) per day
    • Peak capacity: 1.076 billion US gallons (4,070,000 m3) per day.

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