Iowa utilities 401 to 500.
Each serves 499 to 764 people, as it reports to EPA. Your ZIP code finds yours faster.
401 to 500 of 1,075, by people served
| Utility | Based in | Serves | Regulated PFAS | Health-based violations since 2016 |
|---|---|---|---|---|
| Alden Water Supply | Alden | 764 | Not sampled | 0 |
| Exira Water Dept | Exira | 764 | Not sampled | 0 |
| Garnavillo Water Supply | Garnavillo | 763 | Not sampled | 0 |
| Rockford Water Supply | Rockford | 762 | Not sampled | 0 |
| Western Hills (Mobile) Estates | Coralville | 760 | Not sampled | 0 |
| Manilla Muni Service Dept | Manilla | 758 | Not sampled | 0 |
| Morning Sun Water Department | Morning Sun | 752 | Not sampled | 0 |
| McGregor Water Dept | McGregor | 747 | Not sampled | 0 |
| Redfield Water Works | Redfield | 746 | Not sampled | 0 |
| Blairstown Water Supply | Blairstown | 738 | Not sampled | 1 |
| Montrose Water Works | Montrose | 738 | Not sampled | 1 |
| Schaller Water Supply | Schaller | 729 | Not sampled | 2 |
| Hedrick Water Supply | Hedrick | 728 | Not sampled | 0 |
| Shelby Water Supply | Shelby | 727 | Not sampled | 0 |
| Whiting Water Supply | Whiting | 727 | Not sampled | 0 |
| Grand Jct Municipal Water Dept | Grand Junction | 725 | Not sampled | 0 |
| Earlville Muni Water Supply | Earlville | 724 | Not sampled | 0 |
| Essex Water Supply | Essex | 722 | Not sampled | 0 |
| Oxford Water Supply | Oxford | 722 | Not sampled | 0 |
| Wellsburg Water Supply | Wellsburg | 721 | Not sampled | 0 |
| Hospers Municipal Water Dept | Hospers | 718 | Not sampled | 0 |
| Merrill Municipal Water Supply | Merrill | 717 | Not sampled | 0 |
| Ventura Water Works | Ventura | 717 | Not sampled | 0 |
| Hazleton Water Supply | Hazleton | 713 | Not sampled | 0 |
| Timberline Estates, Ltd. | West Burlington | 712 | Not sampled | 0 |
| Bancroft Water Supply | Bancroft | 711 | None found | 0 |
| Yes Regency Manor LLC | Des Moines | 710 | Not sampled | 0 |
| Boyden Municipal Water Supply | Boyden | 709 | Not sampled | 0 |
| Stratford Muni Water Dept | Stratford | 707 | Not sampled | 0 |
| The Meadows | Des Moines | 702 | Not sampled | 0 |
| Coggon Water Department | Coggon | 701 | Not sampled | 0 |
| Battle Creek Water Supply | Battle Creek | 700 | Not sampled | 0 |
| Lakeside Water Supply | Lakeside | 700 | Not sampled | 0 |
| Woodward Resource Center | Woodward | 700 | Not sampled | 1 |
| Dexter Water Supply | Dexter | 693 | Not sampled | 0 |
| Walker Water Works | Walker | 688 | Not sampled | 0 |
| Elgin Municipal Water Supply | Elgin | 685 | Not sampled | 0 |
| Murray Water Works | Murray | 684 | Not sampled | 0 |
| Albert City Muni Water Supply | Albert City | 677 | Not sampled | 0 |
| Alburnett Water Supply | Alburnett | 675 | Not sampled | 0 |
| Pomeroy Water Supply | Pomeroy | 671 | Not sampled | 1 |
| Fontanelle Water Works | Fontanelle | 670 | Not sampled | 0 |
| Yes Western Village LLC | West Des Moines | 670 | Not sampled | 0 |
| Kanawha Water Supply | Kanawha | 658 | Not sampled | 0 |
| Olin Water Supply | Olin | 651 | Not sampled | 0 |
| Southridge Estate | Des Moines | 648 | Not sampled | 0 |
| What Cheer Water Supply | What Cheer | 646 | Not sampled | 0 |
| Moravia Public Water Supply | Moravia | 637 | Not sampled | 0 |
| Seymour Municipal Utility Water Dept | Seymour | 637 | Not sampled | 0 |
| Stanwood Water Supply | Stanwood | 637 | Not sampled | 0 |
| Fonda Water Supply | Fonda | 636 | Not sampled | 0 |
| Dumont Water Supply | Dumont | 635 | Not sampled | 0 |
| Goldfield Water Supply | Goldfield | 634 | Not sampled | 0 |
| Elk Horn Muni Water Works | Elk Horn | 631 | Not sampled | 0 |
| Sutherland Water Supply | Sutherland | 629 | Not sampled | 0 |
| Hopkinton Municipal Utilities | Hopkinton | 622 | Not sampled | 0 |
| Agency Water Works | Agency | 620 | Not sampled | 0 |
| Doon Water Supply | Doon | 619 | Not sampled | 0 |
| Kellogg Water Supply | Kellogg | 617 | Not sampled | 0 |
| Grand Mound Water Supply | Grand Mound | 615 | Not sampled | 0 |
| Moulton Water Department | Moulton | 607 | Not sampled | 0 |
| Lyon - Sioux RWS - Boyden | Rock Rapids | 605 | Not sampled | 0 |
| Farmington Water Supply | Farmington | 601 | Not sampled | 0 |
| Brighton Municipal Water Supply | Brighton | 600 | Not sampled | 0 |
| Cedar Terrace Mhc | Cedar Rapids | 600 | Not sampled | 0 |
| Keystone Water Supply | Keystone | 599 | Not sampled | 4 |
| Minden Water Supply | Minden | 598 | Not sampled | 0 |
| Ireton Water Supply | Ireton | 590 | Not sampled | 0 |
| Early Municipal Water Supply | Early | 587 | Not sampled | 5 |
| Clermont Water Supply | Clermont | 586 | None found | 0 |
| Swea City Water Supply | Swea City | 584 | Not sampled | 0 |
| Gilman Water Supply | Gilman | 582 | Not sampled | 0 |
| Everly Water Supply | Everly | 575 | Not sampled | 0 |
| New Hartford Water Supply | New Hartford | 570 | Not sampled | 0 |
| Badger Water Supply | Badger | 561 | Not sampled | 0 |
| Radcliffe Municipal Water | Radcliffe | 561 | Not sampled | 0 |
| Val Vista Estates | Des Moines | 553 | Not sampled | 0 |
| Terrace Heights | Dubuque | 548 | Not sampled | 0 |
| Anthon Municipal Water System | Anthon | 545 | Not sampled | 0 |
| Delmar Water Supply | Delmar | 542 | Not sampled | 1 |
| Richland Water Supply | Richland | 542 | Not sampled | 0 |
| Sunset Village | Marshalltown | 528 | Not sampled | 0 |
| Zearing Water Department | Zearing | 528 | Not sampled | 2 |
| Dows Water Supply | Dows | 526 | Not sampled | 0 |
| Arcadia Water Supply | Arcadia | 525 | Not sampled | 0 |
| Truro Waterworks | Truro | 525 | Not sampled | 0 |
| Wyoming Water System | Wyoming | 523 | Not sampled | 0 |
| Charter Oak Water Supply | Charter Oak | 522 | Not sampled | 0 |
| Whittemore Muni Water Supply | Whittemore | 522 | Not sampled | 0 |
| Ripleys Mhc IA LLC | Muscatine | 520 | Not sampled | 0 |
| Ellsworth Public Water Supply | Ellsworth | 514 | Not sampled | 0 |
| Ainsworth Water Works | Ainsworth | 511 | Not sampled | 0 |
| Scranton Water System | Scranton | 511 | Not sampled | 0 |
| Titonka Water Supply | Titonka | 511 | Not sampled | 0 |
| Rolfe Water Supply | Rolfe | 509 | Not sampled | 0 |
| Sabula Water Supply | Sabula | 506 | Not sampled | 0 |
| Collins Water Supply | Collins | 505 | Not sampled | 0 |
| Elma Water Supply | Elma | 505 | Not sampled | 0 |
| Breda Water Supply | Breda | 502 | Not sampled | 0 |
| Thompson Water Works | Thompson | 499 | Not sampled | 0 |
Every utility EPA sampled for PFAS under UCMR 5, any other community system serving 3,300 people or more, and any smaller one with results from 2020 on, from the state. Other systems appear in ZIP code results. People served is what each utility reports to EPA. Data: EPA SDWIS 2026 Q3, UCMR 5 and EPA’s 2012 to 2019 compliance results, and Iowa Department of Natural Resources, Water Supply Programs.
Where to go next
- Read your utility’s own reportIt covers contaminants these pages don’t show, and its own latest results.How to read it
- Every contaminantLegal limits, health goals and what handles each one.All contaminants
- Filters, checkedEvery filter TapBuff has checked against a certifier’s listing, with five-year costs.Compare filters