Overview
EWG's drinking water quality report for North Dakota shows results of tests conducted by the water utilities in North Dakota and provided to EWG by the North Dakota Department of Health.
Large utilities in North Dakota
Below are utilities in North Dakota serving over 10,000 people, listed alphabetically.
| Utility | Location | People Served |
|---|
| City of Bismarck | Null, ND | 72,417 |
| City of Dickinson | Null, ND | 25,679 |
| City of Fargo | Null, ND | 120,762 |
| City of Grand Forks | Null, ND | 57,339 |
| City of Jamestown | Null, ND | 15,427 |
| City of Mandan | Null, ND | 21,769 |
| City of Minot | Null, ND | 48,743 |
| City of West Fargo | Null, ND | 34,858 |
| City of Williston | Null, ND | 26,426 |
| South Central Regional Water District North Burleigh | Null, ND | 10,400 |
Utilities that accumulated/accrued the most violation points as of July 2021 to June 2024 in North Dakota
The Environmental Protection Agency's Enforcement and Compliance History Online (ECHO) database collects compliance and enforcement-related information for drinking water utilities nationwide. ECHO water quality violation scores take into account federal health-based water quality standards, as well as monitoring, reporting and other drinking water quality requirements. Points are accrued based on specific problems at the utility - violations of health-based drinking water standards receive more points than monitoring and reporting violations - and the length of time until the violations were corrected.
| Utility | Location | People Served | Violation Points |
|---|
| Maxbass, City of | Null, ND | 84 | 15 |
| Oberon, City of | Null, ND | 105 | 7 |
| Watford Residence Suites | Watford City, ND | 32 | 6 |
| Forbes, City of | Null, ND | 53 | 6 |
| Dunseith, City of | Null, ND | 773 | 6 |
| Lehr, City of | Null, ND | 80 | 5 |
| Souris, City of | Null, ND | 58 | 5 |
| Ellendale, City of | Null, ND | 1,394 | 5 |
| Plaza, City of | Null, ND | 171 | 4 |
| Almont, City of | Null, ND | 122 | 4 |
| Riverview Heights | Null, ND | 200 | 4 |
| Zeeland, City of | Null, ND | 86 | 3 |
| Sykeston, City of | Null, ND | 117 | 3 |
| Columbus, City of | Null, ND | 133 | 3 |
| Cathay, City of | Null, ND | 43 | 3 |
| Prairie View Hoa | Williston, ND | 226 | 3 |
| Gladstone, City of | Null, ND | 239 | 2 |
| Inspire Communities-springbrook | Null, ND | 300 | 2 |
| Binford, City of | Null, ND | 183 | 2 |
| Sentinel Butte, City of | Null, ND | 56 | 2 |
| St. John, City of | Null, ND | 341 | 2 |
| Fairmount, City of | Null, ND | 367 | 2 |
| Granville, City of | Null, ND | 241 | 2 |
| Goodrich, City of | Null, ND | 98 | 2 |
| Towner, City of | Null, ND | 479 | 2 |
| Max, City of | Null, ND | 334 | 2 |
| State Line Water Coop Inc. | Null, ND | 405 | 2 |
| Manning Water Board | Null, ND | 55 | 2 |
| Lakota, City of | Null, ND | 672 | 2 |
| Reeder, City of | Null, ND | 162 | 2 |
Large utilities that accumulated/accrued the most violation points as of July 2021 to June 2024 in North Dakota
The Environmental Protection Agency's Enforcement and Compliance History Online (ECHO) database collects compliance and enforcement-related information for drinking water utilities nationwide. ECHO water quality violation scores take into account federal health-based water quality standards, as well as monitoring, reporting and other drinking water quality requirements. Points are accrued based on specific problems at the utility - violations of health-based drinking water standards receive more points than monitoring and reporting violations - and the length of time until the violations were corrected.
| Utility | Location | People Served | Violation Points |
|---|
Contaminants found in North Dakota above health guidelines
| Found above health guidelines | Found | |||
|---|---|---|---|---|
| Contaminant | # of Utilities | People Served | # of Utilities | People Served |
| Total trihalomethanes (TTHMs) | 279 | 701,441 | 279 | 701,441 | ||
| Haloacetic acids (HAA5) | 273 | 693,643 | 273 | 693,643 | ||
| Bromodichloromethane | 276 | 693,572 | 276 | 693,572 | ||
| Chloroform | 259 | 675,393 | 276 | 699,912 | ||
| Dichloroacetic acid | 257 | 653,483 | 264 | 679,105 | ||
| Dibromochloromethane | 248 | 623,039 | 251 | 641,509 | ||
| Trichloroacetic acid | 224 | 619,689 | 227 | 636,136 | ||
| Dibromoacetic acid | 170 | 501,374 | 196 | 602,928 | ||
| Chromium (hexavalent) | 17 | 439,817 | 17 | 439,817 | ||
| Haloacetic acids (HAA9) | 20 | 439,759 | 20 | 439,759 | ||
| Bromate | 13 | 233,981 | 13 | 233,981 | ||
| Radium, combined (-226 & -228) | 55 | 224,126 | 61 | 256,407 | ||
| Bromoform | 67 | 110,552 | 132 | 410,254 | ||
| Nitrate & nitrite | 37 | 106,200 | 205 | 634,505 | ||
| Nitrate | 22 | 34,685 | 34 | 119,562 | ||
| Uranium, combined (pCi/L) | 28 | 18,153 | 49 | 70,750 | ||
| Arsenic | 9 | 12,086 | 9 | 12,086 | ||
| Manganese | 5 | 3,419 | 47 | 312,995 | ||
| Chlorate | 1 | 792 | 1 | 792 |
