| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2027-317 | IA9729099 | DANBURY WATER SUPPLY | C | A | MCL (Chem-Rad), Single Sample | MCL | Nitrate (as N) | 10/01/2026 | 10/31/2026 | DANBURY | WOODBURY | FO3 | 320 |
| 2027-321 | IA1222044 | BRISTOW MUNI WATER SUPPLY | C | A | MCL (Chem-Rad), Single Sample | MCL | Nitrate (as N) | 10/01/2026 | 10/31/2026 | BRISTOW | BUTLER | FO2 | 145 |
| 2027-56 | IA2817401 | LOST BEACH RESORT | NC | A | MCL (Chem-Rad), Single Sample | MCL | Nitrate (as N) | 10/01/2026 | 10/31/2026 | DELHI | DELAWARE | FO1 | 50 |
| 2027-329 | IA4475001 | ROME WATER SUPPLY | C | A | Recordkeeping Violations (RTCR) | RPT | Revised Total Coliform Rule (RTCR) | 10/13/2026 | 10/13/2026 | ROME | HENRY | FO6 | 114 |
| 2027-246 | IA7820903 | LEWIS AND CLARK MONUMENT | NC | A | Monitoring (Chem-Rad), Routine Major | MON | Nitrate (as N) | 09/01/2026 | 09/30/2026 | COUNCIL BLUFFS | POTTAWATTAMIE | FO4 | 102 |
| 2027-267 | IA9909306 | SANDY BEACH WELL ASSOCIATION | NC | A | Monitoring (Chem-Rad), Routine Major | MON | Nitrate (as N) | 10/01/2025 | 09/30/2026 | CLARION | WRIGHT | FO2 | 41 |