U.S. water systems

North Dakota Water Systems

North Dakota

505 community water systems on record — 305 active, 200 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace North Dakota’s official records. Always confirm current status with North Dakota before making decisions based on this information.

Counties in North Dakota

Adams County (2)Barnes County (13)Benson County (8)Billings County (6)Bottineau County (14)Bowman County (3)Burke County (6)Burleigh County (17)Cass County (48)Cavalier County (6)Dickey County (8)Divide County (6)Dunn County (8)Eddy County (2)Emmons County (7)Foster County (3)Golden Valley County (5)Grand Forks County (14)Grant County (5)Griggs County (5)Hettinger County (3)Kidder County (3)LaMoure County (10)Logan County (2)McHenry County (8)McIntosh County (5)McKenzie County (18)McLean County (16)Mercer County (9)Morton County (12)Mountrail County (9)Nelson County (8)Oliver County (2)Pembina County (12)Pierce County (3)Ramsey County (5)Ransom County (9)Renville County (6)Richland County (15)Rolette County (9)Sargent County (18)Sheridan County (2)Sioux County (4)Slope County (1)Stark County (13)Steele County (7)Stutsman County (11)Towner County (5)Traill County (7)Walsh County (13)Ward County (33)Wells County (8)Williams County (31)

All community water systems in North Dakota

System name	Mailing city	Population served	Status
FARGO CITY OF	FARGO	120,762	Active
BISMARCK CITY OF	BISMARCK	72,417	Active
GRAND FORKS REGIONAL WTP	GRAND FORKS	57,339	Active
MINOT CITY OF	MINOT	48,743	Active
WEST FARGO CITY OF	WEST FARGO	34,858	Active
WILLISTON CITY OF	WILLISTON	26,426	Active
DICKINSON CITY OF	DICKINSON	25,679	Active
MANDAN CITY OF	MANDAN	21,769	Active
JAMESTOWN CITY OF	JAMESTOWN	15,427	Active
MINOT AIR FORCE BASE	MINOT AFB	12,461	Inactive
SOUTH CENTRAL RWD NORTH BURLEIGH	BISMARCK	10,400	Active
SOUTHWEST WATER AUTHORITY	DICKINSON	8,537	Active
WAHPETON CITY OF	WAHPETON	7,766	Active
NORTH PRAIRIE RWD-SYSTEM 1&2	MINOT	7,748	Active
DEVILS LAKE CITY OF	DEVILS LAKE	7,141	Active
BELCOURT CITY OF	BELCOURT	7,000	Inactive
VALLEY CITY CITY OF	VALLEY CITY	6,585	Active
WATFORD CITY CITY OF	WATFORD CITY	6,390	Active
EAST CENTRAL REGIONAL WD-GF	THOMPSON	5,995	Active
STUTSMAN RURAL WATER DISTRICT	JAMESTOWN	5,550	Active
GREATER RAMSEY WATER DISTRICT	DEVILS LAKE	5,280	Active
NORTHWEST RURAL WATER DISTRICT	WILLISTON	5,102	Active
BARNES RURAL WATER DISTRICT	VALLEY CITY	4,938	Active
MISSOURI WEST WATER SYSTEM	MANDAN	4,303	Active
GRAFTON CITY OF	GRAFTON	4,284	Active
LINCOLN CITY OF	LINCOLN	4,257	Active
CASS RURAL WATER DISTRICT FARGO	KINDRED	4,242	Active
SOUTHEAST WUD (EAST)	MANTADOR	4,225	Active
OMND WATER TREATMENT PLANT	DICKINSON	4,168	Active
MCKENZIE COUNTY WRD	WATFORD CITY	3,895	Active
GRAND FORKS AIR FORCE BASE	ARVILLA	3,772	Inactive
SOUTH CENTRAL REGIONAL WATER DISTRICT	BISMARCK	3,700	Active
CASS RURAL WATER DISTRICT-PHASE I	KINDRED	3,658	Active
SOUTH CENTRAL RWD-EMMONS	BISMARCK	3,650	Active
CENTRAL PLAINS WATER DISTRICT	FESSENDEN	3,504	Active
AGASSIZ WATER USERS DISTRICT	GILBY	3,438	Active
NORTHEAST RWD- NORTH VALLEY BRANCH	CAVALIER	3,422	Active
BEULAH CITY OF	BEULAH	3,058	Active
WALSH RURAL WATER DISTRICT	GRAFTON	3,000	Active
RUGBY CITY OF	RUGBY	2,876	Active
EAST CENTRAL REGIONAL WD-TRAILL	THOMPSON	2,800	Active
NORTH PRAIRIE RWD-SYSTEM III	MINOT	2,742	Active
NEW TOWN CITY OF	NEW TOWN	2,528	Inactive
CASSELTON CITY OF	CASSELTON	2,513	Active
TRI-COUNTY WATER DISTRICT	PETERSBURG	2,501	Active
NORTHEAST RWD-LANGDON BRANCH	CAVALIER	2,450	Active
HAZEN CITY OF	HAZEN	2,411	Active
BOTTINEAU CITY OF	BOTTINEAU	2,211	Active
TIOGA CITY OF	TIOGA	2,202	Active
LISBON CITY OF	LISBON	2,154	Active
CARRINGTON CITY OF	CARRINGTON	2,065	Active
LANGDON CITY OF	LANGDON	1,878	Active
MAYVILLE CITY OF	MAYVILLE	1,858	Active
OAKES CITY OF	OAKES	1,856	Active
GARRISON RURAL WATER DISTRICT	GARRISON	1,805	Active
MCLEAN-SHERIDAN WATER DISTRICT-SYSTEM 1	TURTLE LAKE	1,800	Active
UNIVERSITY OF MARY	BISMARCK	1,800	Inactive
HARVEY CITY OF	HARVEY	1,783	Active
CASS RURAL WATER DISTRICT-PHASE II	KINDRED	1,700	Active
CASS RURAL WATER DISTRICT-PHASE III	KINDRED	1,682	Active
SOUTHEAST WUD (CENTRAL-LISBON)	LISBON	1,675	Active
HORACE CITY OF	HORACE	1,641	Active
HILLSBORO CITY OF	HILLSBORO	1,603	Active
JAMESTOWN STATE HOSPITAL	JAMESTOWN	1,500	Inactive
BOWMAN CITY OF	BOWMAN	1,470	Active
GARRISON CITY OF	GARRISON	1,453	Active
CROSBY CITY OF	CROSBY	1,406	Active
PARK RIVER CITY OF	PARK RIVER	1,403	Active
ELLENDALE CITY OF	ELLENDALE	1,394	Active
NEW ROCKFORD CITY OF	NEW ROCKFORD	1,391	Active
SURREY CITY OF	SURREY	1,365	Active
LARIMORE CITY OF	LARIMORE	1,346	Active
ALEXANDER CITY OF	ALEXANDER	1,335	Active
MAPLETON CITY OF	MAPLETON	1,320	Active
CAVALIER CITY OF	CAVALIER	1,302	Active
UPPER SOURIS WATER DISTRICT-SYSTEM I	KENMARE	1,296	Active
ROLLA CITY OF	ROLLA	1,280	Active
SOUTHEAST WUD (WEST)	FULLERTON	1,275	Active
WASHBURN CITY OF	WASHBURN	1,246	Active
NORTH PRAIRIE RWD-SYSTEM II	MINOT	1,230	Inactive
HETTINGER CITY OF	HETTINGER	1,226	Active
Unnamed system (ND4300367)	FORT YATES	1,200	Inactive
PARSHALL CITY OF	PARSHALL	1,200	Inactive
STANLEY CITY OF	STANLEY	1,138	Active
DAKOTA RURAL WATER DISTRICT SOUTH	FINLEY	1,135	Active
CANDO CITY OF	CANDO	1,115	Active
LINTON CITY OF	LINTON	1,097	Active
VELVA CITY OF	VELVA	1,084	Active
ALL SEASONS WD-SYSTEM V	BOTTINEAU	1,075	Active
DAKOTA RURAL WATER DISTRICT NORTH	FINLEY	1,070	Active
BURLINGTON CITY OF	BURLINGTON	1,060	Active
BELFIELD CITY OF	BELFIELD	1,013	Active
R & T WATER SYSTEM	RAY	1,003	Active
NORTH VALLEY WATER ASSOC.	CAVALIER	1,000	Inactive
WALHALLA CITY OF	WALHALLA	996	Active
COOPERSTOWN CITY OF	COOPERSTOWN	984	Active
BEACH CITY OF	BEACH	981	Active
KENMARE CITY OF	KENMARE	961	Active
WISHEK CITY OF	WISHEK	952	Active
RAY CITY OF	RAY	950	Active
NEW SALEM CITY OF	NEW SALEM	946	Active
NORTHWOOD CITY OF	NORTHWOOD	945	Active
KILLDEER CITY OF	KILLDEER	939	Active
HANKINSON CITY OF	HANKINSON	919	Active
PRAIRIE VIEW PARK	RAPID CITY	900	Inactive
ALL SEASONS WD-SYSTEM I	BOTTINEAU	890	Active
LAMOURE CITY OF	LAMOURE	889	Active
ENDERLIN CITY OF	ENDERLIN	886	Active
CAPITAL LODGE	TIOGA	856	Inactive
TRENTON WATER USERS ASSOC	TRENTON	840	Active
DRAYTON CITY OF	DRAYTON	824	Active
GLEN ULLIN CITY OF	GLEN ULLIN	807	Active
UNITED POWER ASSOC-COAL CREEK	UNDERWOOD	800	Inactive
NAPOLEON CITY OF	NAPOLEON	792	Active
ALL SEASONS WD-SYSTEM III	BOTTINEAU	790	Active
MOHALL CITY OF	MOHALL	783	Active
UNDERWOOD CITY OF	UNDERWOOD	778	Active
HATTON CITY OF	HATTON	777	Active
DUNSEITH CITY OF	DUNSEITH	773	Active
GWINNER CITY OF	GWINNER	753	Active
ASHLEY CITY OF	ASHLEY	749	Active
HEBRON CITY OF	HEBRON	747	Active
MOTT CITY OF	MOTT	721	Active
HARWOOD CITY OF	HARWOOD	718	Active
STEELE CITY OF	STEELE	715	Active
WILTON CITY OF	WILTON	711	Active
KINDRED CITY OF	KINDRED	692	Active
O AND S CAMPGROUND AND MHC	WILLISTON	675	Inactive
LAKOTA CITY OF	LAKOTA	672	Active
ALL SEASONS WD-SYSTEM IV	BOTTINEAU	670	Active
MILNOR CITY OF	MILNOR	653	Active
LIDGERWOOD CITY OF	LIDGERWOOD	652	Active
ELGIN CITY OF	ELGIN	642	Active
PORTLAND CITY OF	PORTLAND	606	Active
MINTO CITY OF	MINTO	604	Active
NEW ENGLAND CITY OF	NEW ENGLAND	600	Active
PEMBINA CITY OF	PEMBINA	592	Active
CENTER CITY OF	CENTER	588	Active
TURTLE LAKE CITY OF	TURTLE LAKE	581	Active
EDGELEY CITY OF	EDGELEY	563	Active
RICHARDTON CITY OF	RICHARDTON	529	Active
FORMAN CITY OF	FORMAN	504	Active
CRYSTAL CITY OF	CRYSTAL	500	Inactive
MR B'S ESTATES TC	BISMARCK	500	Inactive
CASS RURAL WD (FARGO-NORTH)	KINDRED	491	Inactive
ROLETTE CITY OF	ROLETTE	484	Active
FESSENDEN CITY OF	FESSENDEN	479	Active
TOWNER CITY OF	TOWNER	479	Active
ARGUSVILLE CITY OF	ARGUSVILLE	475	Active
CASS RURAL WD (FARGO-WEST)	KINDRED	468	Inactive
RIVERSIDE CITY OF	RIVERSIDE	465	Inactive
GREATER RAMSEY WD - CARRINGTON	DEVILS LAKE	455	Active
BERTHOLD CITY OF	BERTHOLD	454	Active
WEST RIVER WATER AND SEWER	MINOT	450	Active
FINLEY CITY OF	FINLEY	445	Active
WESTHOPE CITY OF	WESTHOPE	429	Active
WYNDMERE CITY OF	WYNDMERE	429	Active
LEEDS CITY OF	LEEDS	427	Active
EMERADO CITY OF	EMERADO	414	Active
STRASBURG CITY OF	STRASBURG	409	Active
STATE LINE WATER COOP INC	BISMARCK	405	Active
APPLE CREEK MOBILE HOME PARK	BISMARCK	400	Inactive
MCLEAN-SHERIDAN WATER DISTRICT-SYSTEM 3	TURTLE LAKE	400	Active
FORT BERTHOLD AGENCY-MANDAREE	NEW TOWN	390	Inactive
FORT BERTHOLD-MANDAREE	MANDAREE	390	Inactive
MCLEAN-SHERIDAN WATER DISTRICT-SYSTEM 2	TURTLE LAKE	390	Active
MADDOCK CITY OF	MADDOCK	382	Active
GLENBURN CITY OF	GLENBURN	380	Active
HOOPLE CITY OF	HOOPLE	380	Inactive
MC CLUSKY CITY OF	MC CLUSKY	380	Active
NECHE CITY OF	NECHE	371	Active
FAIRMOUNT CITY OF	FAIRMOUNT	367	Active
STANTON CITY OF	STANTON	366	Active
SAWYER CITY OF	SAWYER	357	Active
KULM CITY OF	KULM	354	Active
MCVILLE CITY OF	MCVILLE	349	Active
IMPERIAL VALLEY WATER CO	BISMARCK	345	Active
ST JOHN CITY OF	ST JOHN	341	Active
ARTHUR CITY OF	ARTHUR	337	Active
BOWBELLS CITY OF	BOWBELLS	336	Active
HIGHLAND PARK HOMEOWNERS ASSOCIATION	FARGO	335	Inactive
MAX CITY OF	MAX	334	Active
ST THOMAS CITY OF	ST. THOMAS	331	Active
Unnamed system (ND2801010)	WHITE SHIELD	325	Inactive
CROWN BUTTE COOP	MANDAN	320	Active
GACKLE CITY OF	GACKLE	310	Active
MEDINA CITY OF	MEDINA	308	Active
OXBOW CITY OF	KINDRED	305	Active
SOUTH HEART CITY OF	SOUTH HEART	301	Active
ALL SEASONS WUA-SYSTEM II	BOTTINEAU	300	Inactive
INSPIRE COMMUNITIES-SPRINGBROOK	WILLISTON	300	Active
MICHIGAN CITY OF	MICHIGAN	294	Active
CARSON CITY OF	CARSON	293	Active
ANAMOOSE CITY OF	MINOT	282	Inactive
SCRANTON CITY OF	SCRANTON	281	Active
POWERS LAKE CITY OF	POWERS LAKE	280	Active
DRAKE CITY OF	DRAKE	275	Active
GILBY CITY OF	GILBY	268	Inactive
MANVEL CITY OF	MANVEL	265	Inactive
ABERCROMBIE CITY OF	ABERCROMBIE	263	Active

Showing the 200 largest of 505 systems on record, by population served. Browse by county above for the full list — every system has its own page, and all of them are in the sitemap.