EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

STATE / TERRITORY LEDGER

North Dakota drinking water system records

EPA compliance fields for active community water systems reporting at least 2,500 people served.

Systems44active CWS · pop. 2,500+
Population served595,516reported total; may overlap
Current violation flag6.8%3 systems
Serious-violator flag0.0%0 systems

01 / LARGEST SYSTEMS

Community water systems in North Dakota

Population served is a system-reported service figure. It is not a count of unique state residents.

Water systemPopulation servedPrimary sourceCurrent export status
Fargo City OfND0900336120,762Surface waterNo current violation flagged
Bismarck City OfND080008072,417Groundwater under influence of surface waterNo current violation flagged
Grand Forks Regional WtpND180041057,339Surface waterNo current violation flagged
Minot City OfND510066048,743Ground waterNo current violation flagged
West Fargo City OfND090099934,858Surface water purchasedNo current violation flagged
Williston City OfND530101226,426Surface waterNo current violation flagged
Dickinson City OfND450024225,679Surface water purchasedNo current violation flagged
Mandan City OfND300059621,769Surface waterNo current violation flagged
Jamestown City OfND470049815,427Ground waterNo current violation flagged
Belcourt-Turtle Mtn Rural Water System08389002313,500Ground waterNo current violation flagged
South Central Rwd North BurleighND080150210,400Groundwater under influence of surface waterNo current violation flagged
Southwest Water AuthorityND45014348,537Surface waterNo current violation flagged
Wahpeton City OfND39009737,766Ground waterNo current violation flagged
North Prairie Rwd-System 1&2ND51011257,748Ground water purchasedCurrent monitoring/reporting flag
Devils Lake City OfND36002317,141Ground waterNo current violation flagged
Valley City City OfND02009586,585Surface waterNo current violation flagged
Watford City City OfND27009906,390Surface water purchasedNo current violation flagged
East Central Regional Wd-GfND18010625,995Ground waterNo current violation flagged
Stutsman Rural Water DistrictND47013035,550Ground waterNo current violation flagged
Greater Ramsey Water DistrictND36014245,280Ground waterNo current violation flagged
Northwest Rural Water DistrictND53010795,102Surface water purchasedNo current violation flagged
Barnes Rural Water DistrictND02010584,938Ground waterNo current violation flagged
Spirit Lake Water Management Rws0838900254,400Ground waterNo current violation flagged
Missouri West Water SystemND30014314,303Surface water purchasedNo current violation flagged
Grafton City OfND50004084,284Surface waterNo current violation flagged
Lincoln City OfND08005704,257Purchased ground water under influence of surface water sourceNo current violation flagged
Cass Rural Water District FargoND09014834,242Surface water purchasedNo current violation flagged
Southeast Wud (East)ND39010684,225Ground waterNo current violation flagged
Omnd Water Treatment PlantND29014914,168Surface waterNo current violation flagged
Mckenzie County WrdND27014773,895Surface water purchasedCurrent monitoring/reporting flag
South Central Regional Water DistrictND08011543,700Purchased ground water under influence of surface water sourceNo current violation flagged
Cass Rural Water District-Phase IND09010603,658Ground waterNo current violation flagged
South Central Rwd-EmmonsND15016533,650Surface waterNo current violation flagged
Central Plains Water DistrictND52013093,504Ground waterNo current violation flagged
Agassiz Water Users DistrictND18010563,438Ground waterCurrent monitoring/reporting flag
Northeast Rwd- North Valley BranchND34011283,422Ground waterNo current violation flagged
Beulah City OfND29000743,058Ground waterNo current violation flagged
Walsh Rural Water DistrictND50010753,000Ground water purchasedNo current violation flagged
Rugby City OfND35008422,876Ground waterNo current violation flagged
East Central Regional Wd-TraillND49010712,800Ground waterNo current violation flagged
North Prairie Rwd-System IiiND51010652,742Ground waterNo current violation flagged
New Town, City Of0838900292,528Ground waterNo current violation flagged
Casselton City OfND09001662,513Ground water purchasedNo current violation flagged
Tri-County Water DistrictND32010722,501Ground waterNo current violation flagged