Largest water suppliers
Lead is the LCR 90th-percentile result; a value above 0.015 mg/L exceeds the
EPA action level. “—” means no lead sample is on file for that supplier.
| Supplier | City | Population | Lead (p90) |
|---|---|---|---|
| Fargo City of | Fargo | 120,762 | 0.0023 mg/L |
| Bismarck City of | Bismarck | 72,417 | 0.0028 mg/L |
| Grand Forks Regional Wtp | Grand Forks | 57,339 | 0.0089 mg/L |
| Minot City of | Minot | 48,743 | 0.0135 mg/L |
| West Fargo City of | West Fargo | 34,858 | 0.0000 mg/L |
| Williston City of | Williston | 26,426 | 0.0000 mg/L |
| Dickinson City of | Dickinson | 25,679 | 0.0053 mg/L |
| Mandan City of | Mandan | 21,769 | 0.0062 mg/L |
| Jamestown City of | Jamestown | 15,427 | 0.0109 mg/L |
| Belcourt-Turtle Mtn Rural Water System | Belcourt | 13,500 | 0.0017 mg/L |
| South Central Rwd North Burleigh | Bismarck | 10,400 | 0.0013 mg/L |
| Southwest Water Authority | Dickinson | 8,537 | 0.0000 mg/L |
| Wahpeton City of | Wahpeton | 7,766 | 0.0024 mg/L |
| North Prairie Rwd-System 1&2 | Minot | 7,748 | 0.0018 mg/L |
| Devils Lake City of | Devils Lake | 7,141 | 0.0020 mg/L |
| Standing Rock Rural Water System | Fort Yates | 6,839 | 0.0063 mg/L |
| Valley City City of | Valley City | 6,585 | 0.0000 mg/L |
| Watford City City of | Watford City | 6,390 | 0.0068 mg/L |
| East Central Regional Wd-Gf | Thompson | 5,995 | 0.0000 mg/L |
| Stutsman Rural Water District | Jamestown | 5,550 | 0.0022 mg/L |
| Greater Ramsey Water District | Devils Lake | 5,280 | 0.0020 mg/L |
| Northwest Rural Water District | Williston | 5,102 | 0.0000 mg/L |
| Barnes Rural Water District | Valley City | 4,938 | 0.0000 mg/L |
| Spirit Lake Water Management Rws | St. Michael | 4,400 | 0.0015 mg/L |
| Missouri West Water System | Mandan | 4,303 | 0.0000 mg/L |
| Grafton City of | Grafton | 4,284 | 0.0097 mg/L |
| Lincoln City of | Lincoln | 4,257 | 0.0000 mg/L |
| Cass Rural Water District Fargo | Kindred | 4,242 | 0.0000 mg/L |
| Southeast Wud (East) | Abercrombie | 4,225 | 0.0039 mg/L |
| Omnd Water Treatment Plant | — | 4,168 | 0.0000 mg/L |
| Mckenzie County Wrd | Watford City | 3,895 | 0.0000 mg/L |
| South Central Regional Water District | Bismarck | 3,700 | 0.0000 mg/L |
| Cass Rural Water District-Phase I | Kindred | 3,658 | 0.0000 mg/L |
| South Central Rwd-Emmons | — | 3,650 | 0.0000 mg/L |
| Central Plains Water District | Fessenden | 3,504 | 0.0010 mg/L |
| Agassiz Water Users District | Gilby | 3,438 | 0.0031 mg/L |
| Northeast Rwd- North Valley Branch | Cavalier | 3,422 | 0.0024 mg/L |
| Beulah City of | Beulah | 3,058 | 0.0000 mg/L |
| Walsh Rural Water District | Grafton | 3,000 | 0.0015 mg/L |
| Rugby City of | Rugby | 2,876 | 0.0086 mg/L |
| East Central Regional Wd-Traill | Hillsboro | 2,800 | 0.0000 mg/L |
| North Prairie Rwd-System Iii | Minot | 2,742 | 0.0093 mg/L |
| New Town, City of | New Town | 2,528 | 0.0014 mg/L |
| Casselton City of | Casselton | 2,513 | 0.0121 mg/L |
| Tri-County Water District | Lakota | 2,501 | 0.0012 mg/L |
| Northeast Rwd-Langdon Branch | Langdon | 2,450 | 0.0014 mg/L |
| Hazen City of | Hazen | 2,411 | 0.0041 mg/L |
| Dakota Magic Casino | Hankinson | 2,360 | 0.0000 mg/L |
| Bottineau City of | Bottineau | 2,211 | 0.0021 mg/L |
| Tioga City of | Tioga | 2,202 | 0.0000 mg/L |
| Lisbon City of | Lisbon | 2,154 | 0.0000 mg/L |
| Carrington City of | Carrington | 2,065 | 0.0139 mg/L |
| Langdon City of | Langdon | 1,878 | 0.0000 mg/L |
| Mayville City of | Mayville | 1,858 | 0.0027 mg/L |
| Oakes City of | Oakes | 1,856 | 0.0000 mg/L |
| Garrison Rural Water District | Garrison | 1,805 | 0.0000 mg/L |
| Mclean-Sheridan Water District-System 1 | Turtle Lake | 1,800 | 0.0011 mg/L |
| Harvey City of | Harvey | 1,783 | 0.0068 mg/L |
| Cass Rural Water District-Phase Ii | Kindred | 1,700 | 0.0000 mg/L |
| Cass Rural Water District-Phase Iii | Kindred | 1,682 | 0.0000 mg/L |
| Southeast Wud (Central-Lisbon) | Lisbon | 1,675 | 0.0000 mg/L |
| Horace City of | Horace | 1,641 | 0.0000 mg/L |
| Hillsboro City of | Hillsboro | 1,603 | 0.0021 mg/L |
| Little Shell | New Town | 1,500 | 0.0000 mg/L |
| Bowman City of | Bowman | 1,470 | 0.0022 mg/L |
| Garrison City of | Garrison | 1,453 | 0.0021 mg/L |
| Crosby City of | Crosby | 1,406 | 0.0011 mg/L |
| Park River City of | Park River | 1,403 | 0.0000 mg/L |
| Ellendale City of | Ellendale | 1,394 | 0.0019 mg/L |
| New Rockford City of | New Rockford | 1,391 | 0.0023 mg/L |
| Surrey City of | Surrey | 1,365 | 0.0000 mg/L |
| Larimore City of | Larimore | 1,346 | 0.0017 mg/L |
| Alexander City of | Alexander | 1,335 | 0.0000 mg/L |
| Mapleton City of | Mapleton | 1,320 | 0.0000 mg/L |
| Cavalier City of | Cavalier | 1,302 | 0.0000 mg/L |
| Upper Souris Water District-System I | Kenmare | 1,296 | 0.0000 mg/L |
| Rolla City of | Rolla | 1,280 | 0.0000 mg/L |
| Southeast Wud (West) | Fullerton | 1,275 | 0.0000 mg/L |
| Washburn City of | Washburn | 1,246 | 0.0051 mg/L |
| Hettinger City of | Hettinger | 1,226 | 0.0000 mg/L |
| Four Bears Water System | New Town | 1,200 | 0.0018 mg/L |
| Parshall, City of | Parshall | 1,200 | 0.0000 mg/L |
| Stanley City of | Stanley | 1,138 | 0.0000 mg/L |
| Dakota Rural Water District South | — | 1,135 | 0.0047 mg/L |
| Cando City of | Cando | 1,115 | 0.0152 mg/L |
| Linton City of | Linton | 1,097 | 0.0000 mg/L |
| Velva City of | Velva | 1,084 | 0.0067 mg/L |
| All Seasons Wd-System V | — | 1,075 | 0.0000 mg/L |
| Dakota Rural Water District North | Sharon | 1,070 | 0.0060 mg/L |
| Burlington City of | Burlington | 1,060 | 0.0000 mg/L |
| Mandaree Water Plant | New Town | 1,034 | 0.0035 mg/L |
| Belfield City of | Belfield | 1,013 | 0.0000 mg/L |
| R & T Water System | Ray | 1,003 | 0.0017 mg/L |
| Walhalla City of | Walhalla | 996 | 0.0014 mg/L |
| Cooperstown City of | Cooperstown | 984 | 0.0020 mg/L |
| Beach City of | Beach | 981 | 0.0035 mg/L |
| Kenmare City of | Kenmare | 961 | 0.0038 mg/L |
| White Shield Water Treatment Plant | New Town | 952 | 0.0000 mg/L |
| Wishek City of | Wishek | 952 | 0.0026 mg/L |
| Ray City of | Ray | 950 | 0.0000 mg/L |