North Dakota Water Quality

According to EPA Safe Drinking Water Information System (SDWIS), North Dakota has 318 active community water systems in this extract. PlainEnviro's health-based slice lists 185 violation records across 50 systems with at least one such row. These are historical EPA registry counts, not a statewide drinkability score.

Health-based violation records for 318 community water systems in North Dakota. Source: EPA Safe Drinking Water Information System (SDWIS).

Water Systems
318
Health-Based Violation Records
185
Systems with Violations
50
Cities with Issues
51

Water Systems with Most Health-Based Records

# Water System Health-Based Records Health
1 TWIN BUTTES WATER PLANT New Town 22 Yes
2 MAXBASS CITY OF Maxbass 21 Yes
3 WHITE SHIELD WATER TREATMENT PLANT New Town 18 Yes
4 PARSHALL, CITY OF Parshall 9 Yes
5 MCLEAN-SHERIDAN WATER DISTRICT-SYSTEM 2 Turtle Lake 8 Yes
6 SUNDALE HUTTERIAN ASSOCIATION Milnor 7 Yes
7 FOUR BEARS WATER SYSTEM New Town 6 Yes
8 SPIRIT LAKE WATER MANAGEMENT RWS St. Michael 6 Yes
9 CATHAY CITY OF Cathay 5 Yes
10 PARSHALL-LUCKY MOUND New Town 4 Yes
11 RAINBOW ESTATES Bismarck 4 Yes
12 OBERON CITY OF Oberon 4 Yes
13 SOURIS CITY OF Souris 4 Yes
14 FLAXTON CITY OF Flaxton 4 Yes
15 GOODRICH CITY OF Goodrich 4 Yes
16 HARWOOD CITY OF Harwood 3 Yes
17 ELLENDALE CITY OF Ellendale 3 Yes
18 BELCOURT-TURTLE MTN RURAL WATER SYSTEM Belcourt 2 Yes
19 DAKOTA MAGIC CASINO Hankinson 2 Yes
20 SOLEN, CITY OF Solen 2 Yes
21 LINCOLN CITY OF Lincoln 2 Yes
22 DAVENPORT CITY OF Davenport 2 Yes
23 FARGO CITY OF Fargo 2 Yes
24 NEW HRADEC WATERWORKS New Hradec 2 Yes
25 ROBINSON CITY OF Robinson 2 Yes
26 WILLOWBANK COLONY Edgeley 2 Yes
27 TOWNER CITY OF Towner 2 Yes
28 ZAP CITY OF Zap 2 Yes
29 DRAYTON CITY OF Drayton 2 Yes
30 KENSAL CITY OF Kensal 2 Yes
31 WOODWORTH CITY OF Woodworth 2 Yes
32 STANDING ROCK RURAL WATER SYSTEM Fort Yates 1 Yes
33 REEDER CITY OF Reeder 1 Yes
34 NOME CITY OF Nome 1 Yes
35 MADDOCK CITY OF Maddock 1 Yes
36 BOTTINEAU CITY OF Bottineau 1 Yes
37 LANSFORD CITY OF Lansford 1 Yes
38 DAKOTA ADVENTIST ACADEMY Bismarck 1 Yes
39 ARGUSVILLE CITY OF Argusville 1 Yes
40 COUNTRY ACRES WATER CO Horace 1 Yes
41 FORBES CITY OF Forbes 1 Yes
42 FORTUNA CITY OF Fortuna 1 Yes
43 STRASBURG CITY OF Strasburg 1 Yes
44 NORTHWOOD CITY OF Northwood 1 Yes
45 NEW ENGLAND CITY OF New England 1 Yes
46 LEHR CITY OF Lehr 1 Yes
47 ALEXANDER CITY OF Alexander 1 Yes
48 WATFORD RESIDENCE SUITES Watford City 1 Yes
49 MAX CITY OF Max 1 Yes
50 UNDERWOOD CITY OF Underwood 1 Yes

Most Common Contaminants in North Dakota

Contaminant Violations Systems Affected
TTHM 90 12
Lead and Copper Rule 26 22
Revised Total Coliform Rule 20 9
Arsenic 13 3
Total Haloacetic Acids (HAA5) 9 2
LEAD AND COPPER RULE REVISIONS 8 8
Coliform (TCR) 7 5
Chloramine 5 3
Combined Radium (-226 and -228) 2 1
Bromate 2 1
Groundwater Rule 2 1
Long Term 2 Enhanced Surface Water Treatment Rule 1 1

About This Data

Water quality data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations. Only community water systems (CWS) in North Dakota are included.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services