Chromium
EPA contaminant code: 1020
Total Violations
49,133
Systems Affected
13,419
Health-Based %
0.3%
Most Affected State
—
Most Affected Water Systems
| System | State | Violations | Population |
|---|---|---|---|
| RIDGEFIELD PUBLIC WORKS | WA | 114 | 20,967 |
| PA AMERICAN AUDUBON | PA | 77 | 8,200 |
| SEVEN ESTATES | TX | 67 | 189 |
| COAL MOUNTAIN WATER | WV | 56 | 80 |
| MOUNT EAGLE WATER ASSOC | PA | 55 | 130 |
| FRANKLIN WATER SYSTEMS 3 | TX | 55 | 201 |
| HIAWATHA WATER | WV | 51 | 63 |
| WASHINGTON TOWNSHIP MUA | NJ | 49 | 48,000 |
| NOTTINGHAM MANOR M H COURT | PA | 49 | 473 |
| SHREWSBURY BOROUGH | PA | 48 | 4,727 |
| AKHIOK | AK | 43 | 90 |
| CULVERS HILL - NORTH WEBSTER | IN | 40 | 75 |
| WESTWOOD MHP | NC | 40 | 56 |
| SHILOH S/D | NC | 39 | 67 |
| WHISPERING PINES MHP | NC | 39 | 305 |
| PINNACLE WATER ASSOCIATION | WV | 39 | 85 |
| TOXAWAY POINT | NC | 38 | 79 |
| TUCSON CITY OF | AZ | 37 | 732,906 |
| HAPPY CAMPER RV PARK | CO | 37 | 40 |
| South Bend Water Department | WA | 37 | 2,930 |
| CREEKSIDE SOUTH ESTATES METRO DISTRICT | CO | 36 | 160 |
| BURLINGTON CITY OF | CO | 36 | 3,720 |
| WINDMILL ESTATES | IL | 36 | 65 |
| CARMEL MONTESSORI ACADEMY | IL | 36 | 40 |
| CIRCLE H MHP | NC | 35 | 68 |
| DEERFIELD PARK S/D | NC | 35 | 440 |
| EAST CHERRY CREEK VALLEY WSD | CO | 34 | 66,130 |
| PAINT BRUSH HILLS | CO | 34 | 4,994 |
| FRANKLIN WATER SYSTEMS 3 | TX | 34 | 201 |
| WILLOW SPRINGS MHP | IN | 33 | 25 |