| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-751 | IA9778202 | LOFTED VIEW EVENTS | NC | A | MCL (Chem-Rad), Single Sample | MCL | Nitrate (as N) | 01/01/2026 | 01/31/2026 | SIOUX CITY | WOODBURY | FO3 | 314 |
| 2026-1089 | IA0990808 | HERITAGE GLOBAL METHODIST CHURCH | NC | A | MCL (Chem-Rad), Single Sample | MCL | Nitrate (as N) | 01/01/2026 | 01/31/2026 | WAVERLY | BREMER | FO1 | 100 |
| 2026-1066 | IA9545801 | WORD OF FAITH DOMINION CHURCH | NC | A | Monitoring (Chem-Rad), Routine Major | MON | Nitrate (as N) | 01/01/2025 | 12/31/2025 | LAKE MILLS | WINNEBAGO | FO2 | 81 |
| 2026-1065 | IA1716304 | OAKRIDGE HOMEOWNERS ASSOCIATION | NC | A | Monitoring (Chem-Rad), Routine Major | MON | Nitrate (as N) | 01/01/2025 | 12/31/2025 | CLEAR LAKE | CERRO GORDO | FO2 | 26 |
| 2026-1060 | IA5225208 | TURF MASTERS LAWN & LANDSCAPE | NC | A | Monitoring (Chem-Rad), Routine Major | MON | Nitrate (as N) | 01/01/2025 | 12/31/2025 | IOWA CITY | JOHNSON | FO6 | 40 |
| 2026-571 | IA9778202 | LOFTED VIEW EVENTS | NC | A | MCL (Chem-Rad), Single Sample | MCL | Nitrate (as N) | 12/01/2025 | 12/31/2025 | SIOUX CITY | WOODBURY | FO3 | 314 |