North Dakota water providers
Find published drinking-water records, providers, and official agency resources for North Dakota. Review sources, sample dates, and coverage.
Official drinking-water resources
- North Dakota Department of Environmental Quality - Division of Municipal Facilities
- North Dakota DEQ — PFAS studies and laboratory-report guide
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
388 systems in the imported directory. Includes community systems, schools, workplaces, and other public systems.
- City of FargoND0900336 · CWS · Population served: 120,762
- City of BismarckND0800080 · CWS · Population served: 72,417
- Grand Forks Regional WtpND1800410 · CWS · Population served: 57,339
- City of MinotND5100660 · CWS · Population served: 48,743
- City of West FargoND0900999 · CWS · Population served: 34,858
- City of WillistonND5301012 · CWS · Population served: 26,426
- City of DickinsonND4500242 · CWS · Population served: 25,679
- City of MandanND3000596 · CWS · Population served: 21,769
- City of JamestownND4700498 · CWS · Population served: 15,427
- Belcourt-Turtle Mtn Rural Water System083890023 · CWS · Population served: 13,500
- South Central RWD North BurleighND0801502 · CWS · Population served: 10,400
- Southwest Water AuthorityND4501434 · CWS · Population served: 8,537
- City of WahpetonND3900973 · CWS · Population served: 7,766
- North Prairie RWD-System 1&2ND5101125 · CWS · Population served: 7,748
- City of Devils LakeND3600231 · CWS · Population served: 7,141
- City of Valley CityND0200958 · CWS · Population served: 6,585
- City of Watford CityND2700990 · CWS · Population served: 6,390
- East Central Regional Wd-GfND1801062 · CWS · Population served: 5,995
- Stutsman Rural Water DistrictND4701303 · CWS · Population served: 5,550
- Greater Ramsey Water DistrictND3601424 · CWS · Population served: 5,280
- Northwest Rural Water DistrictND5301079 · CWS · Population served: 5,102
- Barnes Rural Water DistrictND0201058 · CWS · Population served: 4,938
- Spirit Lake Water Management Rws083890025 · CWS · Population served: 4,400
- Missouri West Water SystemND3001431 · CWS · Population served: 4,303
- City of GraftonND5000408 · CWS · Population served: 4,284
- City of LincolnND0800570 · CWS · Population served: 4,257
- Cass Rural Water District FargoND0901483 · CWS · Population served: 4,242
- Southeast Wud (EAST)ND3901068 · CWS · Population served: 4,225
- Omnd Water Treatment PlantND2901491 · CWS · Population served: 4,168
- Mckenzie County WrdND2701477 · CWS · Population served: 3,895
- South Central Regional Water DistrictND0801154 · CWS · Population served: 3,700
- Cass Rural Water District-Phase IND0901060 · CWS · Population served: 3,658
- South Central RWD-EmmonsND1501653 · CWS · Population served: 3,650
- Central Plains Water DistrictND5201309 · CWS · Population served: 3,504
- Agassiz Water Users DistrictND1801056 · CWS · Population served: 3,438
- Northeast RWD- North Valley BranchND3401128 · CWS · Population served: 3,422
- City of BeulahND2900074 · CWS · Population served: 3,058
- Walsh Rural Water DistrictND5001075 · CWS · Population served: 3,000
- City of RugbyND3500842 · CWS · Population served: 2,876
- East Central Regional Wd-TraillND4901071 · CWS · Population served: 2,800
- North Prairie RWD-System IIIND5101065 · CWS · Population served: 2,742
- City of New Town083890029 · CWS · Population served: 2,528
- City of CasseltonND0900166 · CWS · Population served: 2,513
- Tri-County Water DistrictND3201072 · CWS · Population served: 2,501
- Northeast RWD-Langdon BranchND1001380 · CWS · Population served: 2,450
- City of HazenND2900470 · CWS · Population served: 2,411
- Dakota Magic Casino083890026 · CWS · Population served: 2,360
- City of BottineauND0500099 · CWS · Population served: 2,211
- City of TiogaND5300936 · CWS · Population served: 2,202
- City of LisbonND3700574 · CWS · Population served: 2,154
- City of CarringtonND1600159 · CWS · Population served: 2,065
- City of LangdonND1000543 · CWS · Population served: 1,878
- City of MayvilleND4900622 · CWS · Population served: 1,858
- City of OakesND1100758 · CWS · Population served: 1,856
- Garrison Rural Water DistrictND2801430 · CWS · Population served: 1,805
- Mclean-Sheridan Water District-System 1ND2801400 · CWS · Population served: 1,800
- City of HarveyND5200458 · CWS · Population served: 1,783
- Cass Rural Water District-Phase IIND0901124 · CWS · Population served: 1,700
- Cass Rural Water District-Phase IIIND0901131 · CWS · Population served: 1,682
- Southeast Wud (CENTRAL-LISBON)ND3701448 · CWS · Population served: 1,675
- City of HoraceND0900488 · CWS · Population served: 1,641
- City of HillsboroND4900482 · CWS · Population served: 1,603
- Little Shell083890016 · CWS · Population served: 1,500
- City of BowmanND0600119 · CWS · Population served: 1,470
- City of GarrisonND2800389 · CWS · Population served: 1,453
- City of CrosbyND1200211 · CWS · Population served: 1,406
- City of Park RiverND5000773 · CWS · Population served: 1,403
- City of EllendaleND1100306 · CWS · Population served: 1,394
- City of New RockfordND1400732 · CWS · Population served: 1,391
- City of SurreyND5100923 · CWS · Population served: 1,365
- City of LarimoreND1800550 · CWS · Population served: 1,346
- City of AlexanderND2700006 · CWS · Population served: 1,335
- City of MapletonND0900613 · CWS · Population served: 1,320
- City of CavalierND3400170 · CWS · Population served: 1,302
- Upper Souris Water District-System IND5101074 · CWS · Population served: 1,296
- City of RollaND4000834 · CWS · Population served: 1,280
- Southeast Wud (WEST)ND1101442 · CWS · Population served: 1,275
- City of WashburnND2800989 · CWS · Population served: 1,246
- City of HettingerND0100476 · CWS · Population served: 1,226
- Four Bears Water System083890015 · CWS · Population served: 1,200
- City of Parshall083890030 · CWS · Population served: 1,200
- City of StanleyND3100898 · CWS · Population served: 1,138
- Dakota Rural Water District SouthND2001121 · CWS · Population served: 1,135
- City of CandoND4800152 · CWS · Population served: 1,115
- City of LintonND1500571 · CWS · Population served: 1,097
- City of VelvaND2500964 · CWS · Population served: 1,084
- All Seasons Wd-System VND3501476 · CWS · Population served: 1,075
- Dakota Rural Water District NorthND2001061 · CWS · Population served: 1,070
- City of BurlingtonND5100138 · CWS · Population served: 1,060
- Mandaree Water Plant083890001 · CWS · Population served: 1,034
- City of BelfieldND4500065 · CWS · Population served: 1,013
- R & T Water SystemND5301152 · CWS · Population served: 1,003
- City of WalhallaND3400980 · CWS · Population served: 996
- City of CooperstownND2000203 · CWS · Population served: 984
- City of BeachND1700059 · CWS · Population served: 981
- City of KenmareND5100515 · CWS · Population served: 961
- White Shield Water Treatment Plant083890002 · CWS · Population served: 952
- City of WishekND2601037 · CWS · Population served: 952
- City of RayND5300809 · CWS · Population served: 950
- City of New SalemND3000736 · CWS · Population served: 946