Iowa water providers — page 2
Find published drinking-water records, providers, and official agency resources for Iowa. Review sources, sample dates, and coverage.
Official drinking-water resources
The responsible agency may differ for tribal systems. Record availability and sample dates vary by provider.
Community systems appear first. Sort: Population served · A–Z
Public water systems
1,803 systems in the imported directory. Includes community systems, schools, workplaces, and other public systems.
- Sergeant Bluff Water SupplyIA9774033 · CWS · Population served: 5,015
- Xenia RWD (BOONE)IA0844006 · CWS · Population served: 4,975
- Vinton Municipal Water DeptIA0688053 · CWS · Population served: 4,938
- Shenandoah Water DeptIA7383045 · CWS · Population served: 4,925
- Humboldt Municipal Water DeptIA4641064 · CWS · Population served: 4,792
- Sac & Fox (MESKWAKI) In Iowa070000003 · CWS · Population served: 4,765
- Camanche Water SupplyIA2322066 · CWS · Population served: 4,570
- Evansdale Water WorksIA0723027 · CWS · Population served: 4,561
- Mount Vernon Water SupplyIA5758021 · CWS · Population served: 4,527
- Dyersville Municipal Water CoIA3130091 · CWS · Population served: 4,477
- Anamosa Municipal Water SupplyIA5307048 · CWS · Population served: 4,457
- Chariton Municipal Water WorksIA5903011 · CWS · Population served: 4,381
- Clarinda Water PlantIA7329029 · CWS · Population served: 4,372
- Hampton Muni Water WorksIA3544024 · CWS · Population served: 4,337
- Forest City Water SupplyIA9525047 · CWS · Population served: 4,285
- Huxley Waterworks DeptIA8538066 · CWS · Population served: 4,244
- Jefferson Water DepartmentIA3742004 · CWS · Population served: 4,182
- Carlisle Water SupplyIA9113071 · CWS · Population served: 4,170
- Regional WaterIA8300184 · CWS · Population served: 4,132
- Sirwa #3 (OSCEOLA)IA2038701 · CWS · Population served: 4,080
- Rock Valley Water SupplyIA8482096 · CWS · Population served: 4,059
- Monticello Water SupplyIA5343098 · CWS · Population served: 4,040
- West Liberty Water UtilityIA7073010 · CWS · Population served: 3,938
- Cresco WaterworksIA4515087 · CWS · Population served: 3,913
- Waukon Water DepartmentIA0398082 · CWS · Population served: 3,827
- Carter Lake Water DistrictIA7812079 · CWS · Population served: 3,791
- Emmetsburg Municipal Water DepartmentIA7428021 · CWS · Population served: 3,733
- West Burlington Muni. Water SupplyIA2985002 · CWS · Population served: 3,728
- Albia Municipal Water WorksIA6803010 · CWS · Population served: 3,721
- Osage Municipal Water SupplyIA6663001 · CWS · Population served: 3,637
- Eagle Grove Water SupplyIA9926096 · CWS · Population served: 3,601
- West Central Rwa - Nish SystemIA1400902 · CWS · Population served: 3,573
- Southwest Reg Water District (RED OAK)IA6950701 · CWS · Population served: 3,500
- New Hampton Water SupplyIA1970051 · CWS · Population served: 3,494
- Xenia RWD (WOODWARD)IA2576705 · CWS · Population served: 3,465
- Milford Municipal UtilitiesIA3050079 · CWS · Population served: 3,431
- Rural Water System #1IA8400722 · CWS · Population served: 3,428
- Story City Water DeptIA8584000 · CWS · Population served: 3,357
- Williamsburg Public Water SupplyIA4884023 · CWS · Population served: 3,345
- Cherokee Rws - Cherokee SubsystemIA1811001 · CWS · Population served: 3,315
- Tipton Water SupplyIA1689022 · CWS · Population served: 3,149
- Tama Water SupplyIA8670013 · CWS · Population served: 3,130
- Madrid Water DepartmentIA0848015 · CWS · Population served: 3,090
- Garner Water WorksIA4130075 · CWS · Population served: 3,065
- Solon Water DeptIA5282062 · CWS · Population served: 3,018
- Southwest Reg Water District (CLARINDA)IA7383901 · CWS · Population served: 2,942
- Wilton Water SupplyIA7078026 · CWS · Population served: 2,924
- Onawa Municipal Water PlantIA6739095 · CWS · Population served: 2,906
- Lake Panorama Water CompanyIA3900301 · CWS · Population served: 2,900
- Sibley Public Water SupplyIA7245047 · CWS · Population served: 2,860
- Fairfax Water SupplyIA5731032 · CWS · Population served: 2,828
- Clarion Water SupplyIA9909031 · CWS · Population served: 2,810
- Grundy Center Water SupplyIA3833013 · CWS · Population served: 2,796
- Bloomfield Muni Water DeptIA2613019 · CWS · Population served: 2,792
- Hawarden Water SupplyIA8434040 · CWS · Population served: 2,700
- Missouri Valley Water SupplyIA4344088 · CWS · Population served: 2,678
- Eldora Water SupplyIA4236005 · CWS · Population served: 2,664
- Kalona Water DeptIA9233012 · CWS · Population served: 2,630
- Rock Rapids Municipal Water WorksIA6065092 · CWS · Population served: 2,611
- Sirwa - CorningIA0207704 · CWS · Population served: 2,585
- Center Point Water SupplyIA5718006 · CWS · Population served: 2,579
- Hudson Water SupplyIA0737062 · CWS · Population served: 2,546
- West Union Water SupplyIA3383014 · CWS · Population served: 2,540
- Mitchellville Water SupplyIA7751092 · CWS · Population served: 2,515
- Postville Water DepartmentIA0375053 · CWS · Population served: 2,513
- West Branch Water WorksIA1694000 · CWS · Population served: 2,509
- Jesup Municipal Water SupplyIA1044006 · CWS · Population served: 2,508
- Poweshiek Water Association (IAC)IA4868701 · CWS · Population served: 2,490
- Belmond Water SupplyIA9905003 · CWS · Population served: 2,463
- Marengo Water SupplyIA4843033 · CWS · Population served: 2,435
- W Central Rwa - Denison SubsysIA2424701 · CWS · Population served: 2,428
- Ogden Municipal UtilitiesIA0858090 · CWS · Population served: 2,419
- Toledo Water SupplyIA8676027 · CWS · Population served: 2,399
- Park View Water & Sanitary DistrictIA8200855 · CWS · Population served: 2,389
- Cascade Municipal Water SupplyIA3118080 · CWS · Population served: 2,386
- Hull Water SupplyIA8444063 · CWS · Population served: 2,384
- Belle Plaine Water DeptIA0610099 · CWS · Population served: 2,380
- Bellevue Municipal UtilitiesIA4910000 · CWS · Population served: 2,363
- Ely Water SupplyIA5728018 · CWS · Population served: 2,328
- Colfax Water SupplyIA5009056 · CWS · Population served: 2,305
- La Porte City UtilitiesIA0743057 · CWS · Population served: 2,284
- Peosta Water SupplyIA3170001 · CWS · Population served: 2,278
- Rockwell City Water SupplyIA1376098 · CWS · Population served: 2,250
- Lisbon Water SupplyIA5748086 · CWS · Population served: 2,233
- Rock Valley Rural Water DistrictIA8482701 · CWS · Population served: 2,230
- Greenfield Municipal UtilitiesIA0140007 · CWS · Population served: 2,227
- Lake Mills Municipal Water Dept-SouthIA9545044 · CWS · Population served: 2,158
- Osceola Rural Water System-SouthIA7177701 · CWS · Population served: 2,112
- Wapello Municipal Water WorksIA5879063 · CWS · Population served: 2,096
- Sac City Municipal Water PlantIA8150015 · CWS · Population served: 2,093
- Alta Municipal Water PlantIA1108025 · CWS · Population served: 2,087
- Northwood WaterworksIA9855077 · CWS · Population served: 2,072
- Britt Water WorksIA4103045 · CWS · Population served: 2,064
- Atkins Municipal Water WorksIA0603072 · CWS · Population served: 2,056
- Audubon Water SupplyIA0505077 · CWS · Population served: 2,053
- Ida Grove Water UtilityIA4728067 · CWS · Population served: 2,051
- Sumner Water SupplyIA0970006 · CWS · Population served: 2,030
- Lamoni Municipal UtilitiesIA2740050 · CWS · Population served: 2,029
- Epworth Water SupplyIA3133033 · CWS · Population served: 2,023
- Parkersburg Water SupplyIA1281028 · CWS · Population served: 2,019