| Violation ID | PWS ID | PWS Name | PWS Type | PWS Activity Status | Violation Name | Violation Category | Analyte Name | Compliance Begin Date | Compliance End Date | City | County | Field Office | Population Served |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-2123 | IA2525010 | DAWSON WATER WORKS | C | A | MCL (Chem-Rad), Single Sample | MCL | Nitrate (as N) | 05/01/2026 | 05/31/2026 | DAWSON | DALLAS | FO5 | 116 |
| 2026-1877 | IA2839401 | LAZY T CAMPGROUND | NC | A | MCL (Chem-Rad), Single Sample | MCL | Nitrate (as N) | 05/01/2026 | 05/31/2026 | MANCHESTER | DELAWARE | FO1 | 25 |
| 2026-2110 | IA2817401 | LOST BEACH RESORT | NC | A | MCL (Chem-Rad), Single Sample | MCL | Nitrate (as N) | 05/01/2026 | 05/31/2026 | DELHI | DELAWARE | FO1 | 50 |
| 2026-2095 | IA1340001 | KNIERIM WATER SUPPLY | C | A | Variance/Exemption/Compliance Schedule | V/E | Iowa Administrative Code | 05/18/2026 | 05/18/2026 | KNIERIM | CALHOUN | FO3 | 53 |
| 2026-1943 | IA5510901 | SMITH LAKE PARK | NC | A | Monitoring (RTCR), Routine Major | MON | Revised Total Coliform Rule (RTCR) | 04/01/2026 | 04/30/2026 | ALGONA | KOSSUTH | FO2 | 55 |
| 2026-2044 | IA4910204 | PARKERS PIT STOP | NC | A | Monitoring (RTCR), Routine Major | MON | Revised Total Coliform Rule (RTCR) | 04/01/2026 | 04/30/2026 | BELLEVUE | JACKSON | FO1 | 25 |