District of Columbia Water Quality
Water hardness and quality data for 22 cities in District of Columbia, USA.
113 mg/L
State average
🟡 Moderately Hard
Avg category
22
Cities tracked
Washington
Pop. 689,545
PFAS: 4.1 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 →Barracks Row
Pop. 14,080
PFAS: 7.5 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 →Dupont Circle
Pop. 23,226
PFAS: 4 ppt
Full report →Foggy Bottom
Pop. 22,146
PFAS: 4.8 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 →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 →