| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-1448 | IA0990808 | HERITAGE GLOBAL METHODIST CHURCH | NC | A | MCL (Chem-Rad), Single Sample | MCL | Nitrate (as N) | 03/01/2026 | 03/31/2026 | WAVERLY | BREMER | FO1 | 100 |
| 2026-1641 | IA2525010 | DAWSON WATER WORKS | C | A | MCL (Chem-Rad), Single Sample | MCL | Nitrate (as N) | 03/01/2026 | 03/31/2026 | DAWSON | DALLAS | FO5 | 116 |
| 2026-1145 | IA5282311 | MCBRIDE POINTE THIRD MASTER MAINTENANCE | C | A | MCL (Chem-Rad), Average | MCL | Arsenic | 01/01/2026 | 03/31/2026 | SOLON | JOHNSON | FO6 | 25 |
| 2026-1190 | IA2742076 | LEON WATER SUPPLY | C | A | MCL (Chem-Rad), Average | MCL | Total Haloacetic Acids (HAA5) | 01/01/2026 | 03/31/2026 | LEON | DECATUR | FO5 | 1830 |
| 2026-1447 | IA9778202 | LOFTED VIEW EVENTS | NC | A | MCL (Chem-Rad), Single Sample | MCL | Nitrate (as N) | 03/01/2026 | 03/31/2026 | SIOUX CITY | WOODBURY | FO3 | 314 |
| 2026-1112 | IA8055014 | MOUNT AYR WATER TREATMENT PLANT | C | A | MCL (Chem-Rad), Average | MCL | Total Haloacetic Acids (HAA5) | 01/01/2026 | 03/31/2026 | MOUNT AYR | RINGGOLD | FO4 | 1683 |