| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-2549 | IA8340099 | IRWIN MUNICIPAL SUPPLY | C | A | Monitoring (RTCR), Routine Major | MON | Revised Total Coliform Rule (RTCR) | 05/01/2025 | 05/31/2025 | IRWIN | SHELBY | FO4 | 313 |
| 2025-2533 | IA3133478 | CAMP LITTLE CLOUD | NC | A | Monitoring (GWR) AS, Major | MON | E. coli | 05/01/2025 | 05/31/2025 | EPWORTH | DUBUQUE | FO1 | 55 |
| 2025-2542 | IA5300688 | MONTIPARK LLC | C | A | Monitoring (RTCR), Routine Major | MON | Revised Total Coliform Rule (RTCR) | 05/01/2025 | 05/31/2025 | MONTICELLO | JONES | FO1 | 60 |
| 2025-2539 | IA4728957 | CRAWFORD CREEK PARK | NC | A | Monitoring (RTCR), Routine Major | MON | Revised Total Coliform Rule (RTCR) | 05/01/2025 | 05/31/2025 | IDA GROVE | IDA | FO3 | 250 |
| 2025-2532 | IA3073001 | SUPERIOR WATER SYSTEM | C | A | Monitoring (RTCR), Routine Major | MON | Revised Total Coliform Rule (RTCR) | 05/01/2025 | 05/31/2025 | SUPERIOR | DICKINSON | FO3 | 132 |
| 2025-2561 | IA3126307 | GREEN BRIER SUBDIVISION | C | A | Monitoring (RTCR), Routine Major | MON | Revised Total Coliform Rule (RTCR) | 05/01/2025 | 05/31/2025 | DUBUQUE | DUBUQUE | FO1 | 35 |