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North Dakota Water Quality
368 public water systems serving 712,349 people.
Water Systems
368
Total Violations
13,624
Violation Rate
94%
PFAS Detection
89.5%
34 of 38 tested
Largest Water Systems
FARGO CITY OF
FARGO, ND · 120,762 served
BISMARCK CITY OF
BISMARCK, ND · 72,417 served
GRAND FORKS REGIONAL WTP
GRAND FORKS, ND · 57,339 served
MINOT CITY OF
MINOT, ND · 48,743 served
WEST FARGO CITY OF
WEST FARGO, ND · 34,858 served
WILLISTON CITY OF
WILLISTON, ND · 26,426 served
DICKINSON CITY OF
DICKINSON, ND · 25,679 served
MANDAN CITY OF
MANDAN, ND · 21,769 served
JAMESTOWN CITY OF
JAMESTOWN, ND · 15,427 served
SOUTH CENTRAL RWD NORTH BURLEIGH
BISMARCK, ND · 10,400 served
SOUTHWEST WATER AUTHORITY
DICKINSON, ND · 8,537 served
WAHPETON CITY OF
WAHPETON, ND · 7,766 served
NORTH PRAIRIE RWD-SYSTEM 1&2
MINOT, ND · 7,748 served
DEVILS LAKE CITY OF
DEVILS LAKE, ND · 7,141 served
VALLEY CITY CITY OF
VALLEY CITY, ND · 6,585 served
WATFORD CITY CITY OF
WATFORD CITY, ND · 6,390 served
EAST CENTRAL REGIONAL WD-GF
THOMPSON, ND · 5,995 served
STUTSMAN RURAL WATER DISTRICT
JAMESTOWN, ND · 5,550 served
GREATER RAMSEY WATER DISTRICT
DEVILS LAKE, ND · 5,280 served
NORTHWEST RURAL WATER DISTRICT
WILLISTON, ND · 5,102 served
Most Violations
#1 WILLOWBANK COLONY EDGELEY
280 #2 ALMONT CITY OF ALMONT
253 #3 ROSS CITY OF ROSS
236 #4 KARLSRUHE CITY OF KARLSRUHE
235 #5 FORBES CITY OF FORBES
199 #6 WILLOW CITY CITY OF WILLOW CITY
185 #7 OBERON CITY OF OBERON
173 #8 MERCER CITY OF MERCER
154 #9 CATHAY CITY OF CATHAY
154 #10 MAXBASS CITY OF MAXBASS
137 #11 BISBEE CITY OF BISBEE
136 #12 FRADETS ORCHARD WATER SYSTEM HORACE
128 #13 OAKES GOLF CLUB OAKES
125 #14 RYDER CITY OF RYDER
122 #15 SOURIS CITY OF SOURIS
119 Counties in North Dakota
Cass
27 systems · 176,764 served
· 915 violations
Burleigh
12 systems · 92,574 served
· 263 violations
Grand Forks
9 systems · 69,787 served
· 232 violations
Ward
14 systems · 65,645 served
· 589 violations
Williams
22 systems · 38,366 served
· 564 violations
Stark
8 systems · 36,506 served
· 136 violations
Morton
13 systems · 29,721 served
· 464 violations
Stutsman
9 systems · 22,008 served
· 328 violations
Richland
13 systems · 15,446 served
· 554 violations
Ramsey
3 systems · 12,603 served
· 64 violations
McKenzie
16 systems · 12,466 served
· 549 violations
Barnes
9 systems · 12,391 served
· 513 violations
Mercer
10 systems · 10,695 served
· 205 violations
McLean
13 systems · 9,697 served
· 559 violations
Walsh
5 systems · 9,366 served
· 110 violations
Pembina
8 systems · 7,930 served
· 317 violations
Traill
5 systems · 7,644 served
· 96 violations
Wells
6 systems · 6,057 served
· 378 violations
Bottineau
21 systems · 5,903 served
· 867 violations
Emmons
6 systems · 5,867 served
· 178 violations
Dickey
8 systems · 4,858 served
· 562 violations
Ransom
5 systems · 4,835 served
· 57 violations
Cavalier
5 systems · 4,570 served
· 205 violations
Nelson
6 systems · 4,204 served
· 159 violations
Pierce
3 systems · 3,994 served
· 69 violations
Rolette
8 systems · 3,753 served
· 271 violations
Griggs
5 systems · 3,503 served
· 157 violations
Foster
3 systems · 2,611 served
· 50 violations
McHenry
7 systems · 2,316 served
· 432 violations
LaMoure
10 systems · 2,292 served
· 649 violations
Showing top 30 of 52 counties.