Largest water suppliers
Lead is the LCR 90th-percentile result; a value above 0.015 mg/L exceeds the
EPA action level. “—” means no lead sample is on file for that supplier.
| Supplier | City | Population | Lead (p90) |
|---|---|---|---|
| D.C. Water and Sewer Authority | Washington | 632,323 | 0.0020 mg/L |
| Joint Base Anacostia - Bolling | Washington | 19,312 | 0.0005 mg/L |
| Naval Station Washington - Wny | Washington Navy Yard | 16,800 | 0.0008 mg/L |
| Wingate Elementary School (New) - Bie | Fort Wingate | 800 | 0.0032 mg/L |
| Fort Wingate Community | Ft. Wingate Elementary School | 550 | 0.0005 mg/L |
| Eastern Navajo Agency - Bie | Crownpoint Bia | 455 | 0.0091 mg/L |
| Bie Chemawa Indian School | Salem | 320 | 0.0000 mg/L |
| Chi Chil Tah Jones Ranch Community School - Bie | Chichiltah Boarding School | 137 | 0.0009 mg/L |
| Dibe Yazhi Habitiin (Borrego Pass) Day School-Bie | Borrego Pass School | 120 | 0.0025 mg/L |
| Hanaadli Huerfano Boarding School - Bie | Huerfano Boarding School | 65 | 0.0009 mg/L |
| Washington Aqueduct Division. | Washington | 0 | 0.0390 mg/L |