North Dakota tap water, by utility.

42 utilities with a full report, serving 587,666 people as they report it. Regulated PFAS turned up at 0 of them.

Find a North Dakota utility, city or county

All 42, by people served

North Dakota utilities, All 42, by people served
Utility	Based in	Serves	Regulated PFAS	Health-based violations since 2016
City of Fargo	Fargo	120,762	None found	2
City of Bismarck	Bismarck	72,417	None found	0
Grand Forks Regional WTP	Grand Forks	57,339	None found	0
City of Minot	Minot	48,743	None found	0
City of West Fargo	West Fargo	34,858	None found	0
City of Williston	Williston	26,426	None found	0
City of Dickinson	Dickinson	25,679	None found	0
City of Mandan	Mandan	21,769	None found	0
City of Jamestown	Jamestown	15,427	None found	0
Belcourt - Turtle Mtn Rural Water System	Belcourt	13,500	None found	1
South Central RWD North Burleigh	Bismarck	10,400	None found	0
Southwest Water Authority	Dickinson	8,537	None found	0
City of Wahpeton	Wahpeton	7,766	None found	0
North Prairie RWD - System 1&2	Minot	7,748	None found	0
City of Devils Lake	Devils Lake	7,141	None found	0
Standing Rock Rural Water System	Fort Yates	6,839	None found	1
City of Valley City	Valley City	6,585	None found	0
City of Watford City	Watford City	6,390	None found	0
East Central Regional WD - Gf	Thompson	5,995	None found	0
Stutsman Rural Water District	Jamestown	5,550	None found	0
Greater Ramsey Water District	Devils Lake	5,280	None found	0
Northwest Rural Water District	Williston	5,102	None found	0
Barnes Rural Water District	Valley City	4,938	None found	0
Spirit Lake Water Management RWS	St. Michael	4,400	None found	4
Missouri West Water System	Mandan	4,303	None found	0
City of Grafton	Grafton	4,284	None found	0
City of Lincoln	Lincoln	4,257	None found	1
Cass Rural Water District Fargo	Kindred	4,242	None found	0
Southeast WUD (East)	Abercrombie	4,225	None found	0
Omnd Water Treatment Plant	Dickinson	4,168	None found	0
McKenzie County Wrd	Watford City	3,895	Not sampled	0
South Central Regional Water District	Bismarck	3,700	None found	0
Cass Rural Water District - Phase I	Kindred	3,658	None found	0
South Central RWD - Emmons	Bismarck	3,650	None found	0
Central Plains Water District	Fessenden	3,504	None found	0
Agassiz Water Users District	Gilby	3,438	None found	0
Northeast RWD - North Valley Branch	Cavalier	3,422	None found	0
City of Beulah	Beulah	3,058	None found	0
Cass Rural Water District - Phase II	Kindred	1,700	None found	0
City of Larimore	Larimore	1,346	None found	0
City of Beach	Beach	981	None found	0
City of Grenora	Grenora	244	None found	0

Utilities EPA sampled under UCMR 5, plus any other community system serving 3,300 people or more. Smaller systems appear in ZIP code results. People served is what each utility reports to EPA. Data: EPA SDWIS 2026 Q2 and UCMR 5.