Arsenic
EPA contaminant code: 1005
Total Violations
171,997
Systems Affected
16,264
Health-Based %
57.1%
Most Affected State
—
Most Affected Water Systems
| System | State | Violations | Population |
|---|---|---|---|
| EAKLY DEVELOPMENT CORP | OK | 1,062 | 277 |
| CITY OF WOLFFORTH | TX | 896 | 9,600 |
| TRI COUNTY SUD | TX | 794 | 5,353 |
| BRUNI RURAL WSC | TX | 689 | 350 |
| TEMPE WSC 1 | TX | 656 | 2,725 |
| CITY OF SEAGRAVES | TX | 629 | 2,417 |
| DUVAL COUNTY CRD BENAVIDES | TX | 599 | 2,285 |
| GALLERY ACRES WEST | IA | 584 | 43 |
| PB & SC WATER SUPPLY CORPORATION | TX | 573 | 2,163 |
| LYNWOOD 3RD ADDITION | IL | 548 | 100 |
| STORMLIGHT MOBILE HOME PARK | TX | 544 | 76 |
| EOL WSC | TX | 533 | 2,195 |
| CITY OF SEMINOLE | TX | 532 | 7,386 |
| M S WSC | TX | 499 | 744 |
| ELLINGER SEWER AND WSC | TX | 483 | 573 |
| LEROY TOURS GERALD WSC | TX | 480 | 1,680 |
| DANVERS | IL | 461 | 1,183 |
| CITY OF SMYER | TX | 450 | 474 |
| TOWN NORTH VILLAGE WATER SYSTEM | TX | 443 | 360 |
| CITY OF PLAINS | TX | 438 | 1,355 |
| HANFORD, CITY OF | CA | 413 | 62,127 |
| JIM HOGG COUNTY WCID 2 | TX | 410 | 5,397 |
| PRAIRIE HILL WSC | TX | 402 | 2,145 |
| AXTELL WSC | TX | 389 | 1,320 |
| WELCH WSC | TX | 378 | 315 |
| CITY OF WELLMAN | TX | 376 | 200 |
| CITY OF RIESEL | TX | 365 | 1,476 |
| CAMINO REAL REGIONAL UTILITY AUTHORITY | NM | 358 | 19,466 |
| CITY OF ANDREWS | TX | 358 | 14,109 |
| LOMA ESCONDIDA WATER ASSOCIATION | NM | 351 | 89 |