District of Columbia Water Quality
Water hardness and quality data for 32 cities in District of Columbia, USA.
State average
142mg/L
8.3 gpg
Hardness level
🟠 Hard
8 lab-verified
Cities
32
33 with data
Washington
Pop. 689,545
PFAS: 10 ppt
Full report →Columbia Heights
Neighborhood · Washington, D.C.
Pop. 38,000
PFAS: 9.7 ppt
Full report →Downtown DC
Pop. 52,560
PFAS: 7.5 ppt
Full report →Mount Pleasant
Pop. 35,842
PFAS: 7.2 ppt
Full report →Adams Morgan
Pop. 15,830
PFAS: 8.1 ppt
Full report →Anacostia
Pop. 11,789
PFAS: 8.3 ppt
Full report →Barracks Row
Pop. 14,080
PFAS: 7.5 ppt
Full report →Benning Road
Pop. 10,269
PFAS: 7.5 ppt
Full report →Brentwood Village
Pop. 11,359
PFAS: 9 ppt
Full report →Brightwood
Pop. 17,624
PFAS: 9 ppt
Full report →Capitol Hill
Pop. 15,056
PFAS: 9.2 ppt
Full report →Capitol Riverfront
Pop. 18,874
PFAS: 7.5 ppt
Full report →Central 14th Street / Spring Road
Pop. 25,899
PFAS: 7.5 ppt
Full report →Central 14th Street / WMATA Northern Bus Barn
Pop. 11,147
PFAS: 7.5 ppt
Full report →Colorado Triangle
Pop. 11,780
PFAS: 7.5 ppt
Full report →Dupont Circle
Pop. 23,226
PFAS: 4 ppt
Full report →Foggy Bottom
Pop. 22,146
PFAS: 4.8 ppt
Full report →Georgetown
Pop. 11,887
PFAS: 5.4 ppt
Full report →Golden Triangle
Pop. 17,674
PFAS: 7.5 ppt
Full report →H Street NE
Pop. 21,480
PFAS: 7.5 ppt
Full report →Hillcrest
Pop. 10,205
PFAS: 5.8 ppt
Full report →Kennedy Street
Pop. 15,251
PFAS: 7.5 ppt
Full report →Mount Vernon Triangle
Pop. 21,897
PFAS: 7.5 ppt
Full report →NoMa
Pop. 20,700
PFAS: 7.5 ppt
Full report →Northwest One
Pop. 23,386
PFAS: 7.5 ppt
Full report →Park View
Pop. 18,796
PFAS: 7.9 ppt
Full report →Petworth
Pop. 18,983
PFAS: 8.1 ppt
Full report →Pleasant Plains
Pop. 21,174
PFAS: 8.1 ppt
Full report →Shaw
Pop. 17,639
PFAS: 9.2 ppt
Full report →Southwest Waterfront
Pop. 15,129
PFAS: 7.5 ppt
Full report →The Wharf
Pop. 11,274
PFAS: 7.5 ppt
Full report →Union Market
Pop. 12,186
PFAS: 7.5 ppt
Full report →Van Ness
Pop. 10,745
PFAS: 7.5 ppt
Full report →