Nitrate-Nitrite
EPA contaminant code: 1038
Total Violations
52,447
Systems Affected
5,756
Health-Based %
35.7%
Most Affected State
—
Most Affected Water Systems
| System | State | Violations | Population |
|---|---|---|---|
| CANADIAN CO RWD # 1 | OK | 747 | 750 |
| OKARCHE | OK | 727 | 1,110 |
| NORTH BLAINE WATER CORP | OK | 550 | 960 |
| HOLLIS | OK | 545 | 2,264 |
| ALINE | OK | 543 | 214 |
| MAJOR COUNTY RWD #1 | OK | 531 | 1,000 |
| OKARCHE RWD, INC | OK | 513 | 250 |
| GRANDFIELD | OK | 414 | 1,110 |
| KING RANCH COLONY | MT | 382 | 56 |
| EDGAR, CITY OF | NE | 376 | 428 |
| LOGAN CO RWD #2 | OK | 342 | 1,146 |
| CARMEN PUBLIC WORKS AUTHORITY | OK | 332 | 355 |
| LOYAL | OK | 331 | 81 |
| GEARY | OK | 316 | 1,258 |
| MOORELAND | OK | 284 | 1,226 |
| THIRSTY WATER CORP | OK | 211 | 81 |
| UNL-EASTERN NEBR RESRCH & EXTENSION CNTR | NE | 203 | 200 |
| STEELE CITY, VILLAGE OF | NE | 175 | 60 |
| US GYPSUM | OK | 168 | 280 |
| EASTSIDE MHP | OK | 164 | 32 |
| PROSSER, VILLAGE OF | NE | 161 | 76 |
| MARS PETCARE US DBA THE IAMS COMPANY | NE | 155 | 240 |
| CLEO SPRINGS | OK | 152 | 326 |
| WATERHOLE SALOON REEDPOINT | MT | 149 | 25 |
| RAPELJE WATER DISTRICT | MT | 142 | 70 |
| BELDEN, VILLAGE OF | NE | 141 | 112 |
| HOMESTEAD WATER COMPANY | NM | 140 | 222 |
| HUMBOLDT, CITY OF | NE | 134 | 950 |
| CANUTE | OK | 133 | 524 |
| AKAL TRAVEL CENTER | NE | 122 | 593 |