| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024-2066 | IA7820431 | LITTLE SIOUX SCOUT RANCH | NC | A | Monitoring (RTCR), Routine Major | MON | Revised Total Coliform Rule (RTCR) | 06/01/2024 | 06/30/2024 | LITTLE SIOUX | HARRISON | FO4 | 25 |
| 2024-2067 | IA7820431 | LITTLE SIOUX SCOUT RANCH | NC | A | Monitoring (RTCR), Routine Major | MON | Revised Total Coliform Rule (RTCR) | 06/01/2024 | 06/30/2024 | LITTLE SIOUX | HARRISON | FO4 | 25 |
| 2024-1848 | IA7450019 | MALLARD WATER SUPPLY | C | A | MCL (Chem-Rad), Average | MCL | Arsenic | 04/01/2024 | 06/30/2024 | MALLARD | PALO ALTO | FO3 | 257 |
| 2024-1329 | IA7450019 | MALLARD WATER SUPPLY | C | A | MCL (Chem-Rad), Average | MCL | Arsenic | 04/01/2024 | 06/30/2024 | MALLARD | PALO ALTO | FO3 | 257 |
| 2024-2083 | IA3126308 | REGENCY WEST SUBDIVISION | C | A | Monitoring (Chem-Rad), Routine Major | MON | Nitrate (as N) | 07/01/2023 | 06/30/2024 | DUBUQUE | DUBUQUE | FO1 | 46 |
| 2024-2001 | IA0690885 | KNAPP CREEK EVENT CENTER | NC | A | Monitoring (Chem-Rad), Routine Major | MON | Nitrate (as N) | 07/01/2023 | 06/30/2024 | WALFORD | BENTON | FO1 | 100 |