Water Quality in Minnesota
965 water systems • 677 cities • EPA SDWIS Data
965
Water Systems
3,784
Total Violations
733
Health-Based Violations
4,670,079
Population Served
Overview
Minnesota ranks 46th among all U.S. states for total drinking water violations, out of 51 states tracked. The state has 3,784 EPA Safe Drinking Water Act violations on record across 965 water systems serving 677 cities. Of those, 733 are health-based violations, meaning a regulated contaminant was measured above the EPA-established safe level. Minnesota's total violation count is 89% below the national average. Water systems in Minnesota serve approximately 4,670,079 people. The most frequently cited contaminants in Minnesota violations include Stage 2 DBP, Chlorine Dioxide, Disinfection Byproducts, Total Organic Carbon, HAA5.
Cities with Most Violations in Minnesota
| # | City | Violations | Health-Based | Water Systems | Population |
|---|---|---|---|---|---|
| 1 | Climax | 114 | 38 | 1 | 223 |
| 2 | Ham Lake | 80 | 3 | 4 | 1,336 |
| 3 | Blomkest | 73 | 0 | 3 | 291 |
| 4 | Lancaster | 69 | 38 | 2 | 511 |
| 5 | Thief River Falls | 63 | 40 | 2 | 8,751 |
| 6 | Detroit Lakes | 61 | 40 | 3 | 10,138 |
| 7 | Bemidji | 60 | 0 | 13 | 16,027 |
| 8 | Winger | 57 | 57 | 1 | 181 |
| 9 | Gibbon | 56 | 56 | 2 | 890 |
| 10 | Mankato | 53 | 3 | 8 | 43,913 |
Largest Cities in Minnesota
| # | City | Population | Violations | Water Systems |
|---|---|---|---|---|
| 1 | Minneapolis | 435,122 | 13 | 6 |
| 2 | St. Paul | 403,059 | 49 | 4 |
| 3 | Rochester | 124,843 | 26 | 9 |
| 4 | Bloomington | 91,300 | 4 | 1 |
| 5 | Brooklyn Park | 90,775 | 14 | 3 |
| 6 | Duluth | 87,944 | 2 | 2 |
| 7 | Woodbury | 82,643 | 2 | 1 |
| 8 | Plymouth | 81,326 | 1 | 2 |
| 9 | Maple Grove | 75,160 | 0 | 2 |
| 10 | Blaine | 72,220 | 0 | 2 |
All Cities in Minnesota
| City | Population | Violations | Health Violations | Contaminants |
|---|---|---|---|---|
| Minneapolis | 435,122 | 13 | 0 | |
| St. Paul | 403,059 | 49 | 0 | |
| Rochester | 124,843 | 26 | 0 | |
| Bloomington | 91,300 | 4 | 0 | |
| Brooklyn Park | 90,775 | 14 | 0 | |
| Duluth | 87,944 | 2 | 1 | E. coli |
| Woodbury | 82,643 | 2 | 0 | |
| Plymouth | 81,326 | 1 | 0 | |
| Maple Grove | 75,160 | 0 | 0 | |
| Blaine | 72,220 | 0 | 0 | |
| St. Cloud | 71,526 | 14 | 0 | |
| Eagan | 68,223 | 1 | 0 | |
| Lakeville | 67,800 | 14 | 0 | |
| Coon Rapids | 64,000 | 0 | 0 | |
| Eden Prairie | 63,726 | 2 | 0 | |
| Burnsville | 61,747 | 1 | 0 | |
| Minnetonka | 54,474 | 0 | 0 | |
| Edina | 53,861 | 7 | 0 | |
| St. Louis Park | 50,526 | 6 | 0 | |
| Apple Valley | 50,300 | 0 | 0 | |
| Shakopee | 48,263 | 28 | 8 | Selenium |
| Moorhead | 44,583 | 0 | 0 | |
| Mankato | 43,913 | 53 | 3 | Chlorine, Chlorine Dioxide |
| Cottage Grove | 39,762 | 4 | 0 | |
| White Bear Lake | 37,333 | 1 | 0 | |
| Richfield | 36,899 | 0 | 0 | |
| Roseville | 36,254 | 0 | 0 | |
| Albertville | 35,785 | 0 | 0 | |
| Inver Grove Heights | 35,374 | 12 | 9 | HAA5, Total Organic Carbon |
| Brooklyn Center | 33,782 | 0 | 0 | |
| Winona | 32,026 | 12 | 8 | Total Organic Carbon |
| Chaska | 30,709 | 6 | 0 | |
| Savage | 30,285 | 4 | 4 | Total Organic Carbon |
| Oakdale | 28,819 | 4 | 0 | |
| Fridley | 28,776 | 1 | 0 | |
| Farmington | 26,686 | 0 | 0 | |
| Rosemount | 26,500 | 2 | 0 | |
| Owatonna | 26,430 | 0 | 0 | |
| Austin | 26,273 | 23 | 0 | |
| Shoreview | 26,000 | 4 | 0 | |
| Faribault | 25,911 | 8 | 0 | |
| Prior Lake | 25,282 | 0 | 0 | |
| Chanhassen | 24,951 | 1 | 0 | |
| Champlin | 24,007 | 0 | 0 | |
| Hastings | 23,595 | 19 | 4 | Chlorine, E. coli, Selenium |
| Northfield | 23,275 | 6 | 0 | |
| Golden Valley | 23,067 | 4 | 0 | |
| Crystal | 22,937 | 0 | 0 | |
| New Brighton | 22,902 | 0 | 0 | |
| Columbia Heights | 22,278 | 3 | 0 | |
| Andover | 21,455 | 0 | 0 | |
| Stillwater | 21,148 | 29 | 0 | |
| Willmar | 21,135 | 1 | 0 | |
| New Hope | 20,963 | 0 | 0 | |
| South St. Paul | 20,664 | 10 | 10 | E. coli, HAA5, Total Organic Carbon |
| Sartell | 20,300 | 0 | 0 | |
| Elk River | 19,712 | 0 | 0 | |
| Hopkins | 19,462 | 0 | 0 | |
| Lino Lakes | 19,159 | 4 | 0 | |
| Otsego | 19,000 | 9 | 6 | HAA5, Total Organic Carbon |
| Albert Lea | 18,694 | 4 | 0 | |
| Anoka | 18,060 | 41 | 0 | |
| Ramsey | 17,705 | 0 | 0 | |
| Buffalo | 16,711 | 0 | 0 | |
| Red Wing | 16,629 | 0 | 0 | |
| Monticello | 16,337 | 11 | 2 | Selenium |
| Hibbing | 16,028 | 11 | 0 | |
| Bemidji | 16,027 | 60 | 0 | |
| Alexandria | 15,150 | 6 | 0 | |
| Brainerd | 14,933 | 13 | 0 | |
| Hutchinson | 14,650 | 0 | 0 | |
| Robbinsdale | 14,646 | 0 | 0 | |
| Rogers | 14,510 | 4 | 0 | |
| Lake Benton | 14,449 | 1 | 0 | |
| North Mankato | 14,448 | 1 | 0 | |
| Fergus Falls | 14,362 | 37 | 34 | Barium |
| Sauk Rapids | 14,352 | 19 | 0 | |
| New Ulm | 14,106 | 10 | 0 | |
| Worthington | 14,052 | 0 | 0 | |
| Marshall | 13,979 | 0 | 0 | |
| Cloquet | 13,867 | 7 | 0 | |
| Lake Elmo | 13,378 | 14 | 0 | |
| Waconia | 13,277 | 3 | 0 | |
| Mounds View | 13,250 | 0 | 0 | |
| North St. Paul | 13,134 | 0 | 0 | |
| Vadnais Heights | 13,025 | 4 | 0 | |
| Big Lake | 12,413 | 0 | 0 | |
| Hugo | 12,047 | 0 | 0 | |
| Forest Lake | 12,040 | 6 | 0 | |
| St. Peter | 11,847 | 1 | 1 | E. coli |
| Grand Rapids | 11,551 | 10 | 0 | |
| Victoria | 10,641 | 4 | 2 | Stage 2 DBP |
| Fairmont | 10,328 | 2 | 1 | Selenium |
| Detroit Lakes | 10,138 | 61 | 40 | Barium, Selenium |
| Arden Hills | 10,000 | 3 | 0 | |
| Cambridge | 9,862 | 0 | 0 | |
| Mound | 9,447 | 2 | 0 | |
| Baxter | 9,341 | 3 | 0 | |
| Waseca | 9,241 | 0 | 0 | |
| East Grand Forks | 9,206 | 0 | 0 | |
| Little Falls | 9,069 | 0 | 0 | |
| Thief River Falls | 8,751 | 63 | 40 | E. coli |
| St. Joseph | 8,700 | 2 | 0 | |
| Virginia | 8,361 | 0 | 0 | |
| Waite Park | 8,354 | 0 | 0 | |
| New Prague | 8,279 | 0 | 0 | |
| Mahtomedi | 8,134 | 0 | 0 | |
| Luverne | 7,865 | 4 | 0 | |
| Belle Plaine | 7,456 | 0 | 0 | |
| Isanti | 7,386 | 0 | 0 | |
| Crookston | 7,272 | 0 | 0 | |
| Hermantown | 7,215 | 0 | 0 | |
| Spring Lake Park | 7,200 | 4 | 4 | Total Organic Carbon |
| Kasson | 6,850 | 0 | 0 | |
| Stewartville | 6,850 | 0 | 0 | |
| Litchfield | 6,822 | 1 | 0 | |
| Jordan | 6,810 | 4 | 0 | |
| Zimmerman | 6,772 | 0 | 0 | |
| Carver | 6,700 | 4 | 0 | |
| Delano | 6,564 | 6 | 0 | |
| Byron | 6,312 | 0 | 0 | |
| Jeffers | 6,209 | 4 | 0 | |
| North Branch | 6,190 | 0 | 0 | |
| Minnetrista | 5,888 | 10 | 0 | |
| Circle Pines | 5,725 | 0 | 0 | |
| Glencoe | 5,720 | 0 | 0 | |
| International Falls | 5,637 | 0 | 0 | |
| St. Paul Park | 5,427 | 1 | 0 | |
| Morris | 5,388 | 45 | 28 | Barium |
| Princeton | 5,346 | 6 | 0 | |
| Montevideo | 5,337 | 0 | 0 | |
| Redwood Falls | 5,254 | 0 | 0 | |
| St. Francis | 5,200 | 0 | 0 | |
| Lindstrom | 5,068 | 17 | 0 | |
| Watertown | 5,050 | 5 | 0 | |
| Lake City | 5,042 | 0 | 0 | |
| Becker | 5,034 | 7 | 0 | |
| Lacrescent | 5,029 | 0 | 0 | |
| Elko-New Market | 5,003 | 8 | 4 | HAA5, Total Organic Carbon |
| Chisholm | 4,940 | 0 | 0 | |
| Dayton | 4,930 | 0 | 0 | |
| Dilworth | 4,918 | 8 | 0 | |
| Warren | 4,846 | 0 | 0 | |
| Excelsior | 4,800 | 0 | 0 | |
| Oak Park Heights | 4,776 | 0 | 0 | |
| Windom | 4,704 | 5 | 0 | |
| Sauk Centre | 4,641 | 2 | 1 | Barium |
| St. James | 4,611 | 0 | 0 | |
| Wayzata | 4,592 | 0 | 0 | |
| Park Rapids | 4,498 | 4 | 0 | |
| Eveleth | 4,335 | 7 | 1 | Total Haloacetic Acids (HAA5) |
| Wadena | 4,332 | 0 | 0 | |
| Pipestone | 4,273 | 1 | 1 | HAA5 |
| Cannon Falls | 4,237 | 0 | 0 | |
| Hamel | 4,205 | 1 | 0 | |
| Cold Spring | 4,201 | 0 | 0 | |
| Lesueur | 4,170 | 4 | 0 | |
| Newport | 4,000 | 0 | 0 | |
| Wyoming | 3,990 | 1 | 0 | |
| Centerville | 3,962 | 4 | 0 | |
| Lonsdale | 3,913 | 0 | 0 | |
| Montrose | 3,899 | 0 | 0 | |
| Shorewood | 3,890 | 0 | 0 | |
| Norwood Young America | 3,850 | 2 | 0 | |
| St. Charles | 3,825 | 0 | 0 | |
| Mora | 3,786 | 2 | 0 | |
| Chisago City | 3,745 | 1 | 0 | |
| Long Prairie | 3,744 | 0 | 0 | |
| Melrose | 3,702 | 1 | 0 | |
| Two Harbors | 3,698 | 6 | 0 | |
| Pine City | 3,663 | 8 | 0 | |
| Sleepy Eye | 3,599 | 0 | 0 | |
| Lakeland | 3,500 | 2 | 0 | |
| Bayport | 3,481 | 7 | 0 | |
| Benson | 3,437 | 6 | 0 | |
| Annandale | 3,430 | 0 | 0 | |
| Rush City | 3,424 | 19 | 11 | HAA5, Total Organic Carbon |
| Perham | 3,421 | 0 | 0 | |
| Montgomery | 3,379 | 0 | 0 | |
| Plainview | 3,340 | 0 | 0 | |
| Breckenridge | 3,340 | 1 | 0 | |
| Pine Island | 3,324 | 1 | 0 | |
| Jackson | 3,323 | 0 | 0 | |
| Aurora | 3,323 | 4 | 0 | |
| Eagle Lake | 3,268 | 0 | 0 | |
| Milaca | 3,263 | 9 | 0 | |
| Ely | 3,258 | 15 | 10 | Total Haloacetic Acids (HAA5) |
| Blue Earth | 3,174 | 2 | 0 | |
| Zumbrota | 3,172 | 0 | 0 | |
| Proctor | 3,099 | 3 | 0 | |
| Orono | 3,062 | 1 | 0 | |
| Staples | 3,030 | 0 | 0 | |
| Lexington | 3,018 | 3 | 2 | HAA5 |
| Sandstone | 3,012 | 1 | 0 | |
| Chatfield | 3,005 | 0 | 0 | |
| Moose Lake | 2,997 | 46 | 1 | Disinfection Byproducts |
| Corcoran | 2,964 | 0 | 0 | |
| Dodge Center | 2,939 | 0 | 0 | |
| Warroad | 2,927 | 26 | 0 | |
| Lake Bronson | 2,920 | 4 | 0 | |
| Albany | 2,909 | 7 | 1 | Selenium |
| St. Bonifacius | 2,894 | 16 | 0 | |
| Mountain Iron | 2,880 | 4 | 0 | |
| Granite Falls | 2,843 | 0 | 0 | |
| Caledonia | 2,824 | 8 | 0 | |
| Cokato | 2,792 | 0 | 0 | |
| Barnesville | 2,784 | 2 | 0 | |
| Glenwood | 2,765 | 3 | 0 | |
| Roseau | 2,729 | 8 | 0 | |
| Foley | 2,705 | 1 | 0 | |
| Osseo | 2,650 | 6 | 0 | |
| Pelican Rapids | 2,642 | 45 | 37 | Barium |
| Spicer | 2,596 | 5 | 1 | TTHM |
| Hawley | 2,592 | 4 | 0 | |
| Spring Valley | 2,580 | 3 | 0 | |
| Lake Crystal | 2,554 | 0 | 0 | |
| Le Center | 2,544 | 24 | 0 | |
| Paynesville | 2,530 | 0 | 0 | |
| Wabasha | 2,521 | 0 | 0 | |
| Collegeville | 2,500 | 1 | 1 | E. coli |
| Crosby | 2,444 | 3 | 0 | |
| Olivia | 2,353 | 0 | 0 | |
| Wells | 2,343 | 0 | 0 | |
| Madelia | 2,319 | 1 | 0 | |
| Janesville | 2,275 | 1 | 0 | |
| Gaylord | 2,269 | 0 | 0 | |
| Arlington | 2,230 | 1 | 0 | |
| Winsted | 2,226 | 4 | 0 | |
| Maple Lake | 2,215 | 1 | 0 | |
| Howard Lake | 2,180 | 3 | 0 | |
| Maple Plain | 2,174 | 0 | 0 | |
| Aitkin | 2,165 | 3 | 0 | |
| Rice | 2,161 | 0 | 0 | |
| Tracy | 2,154 | 3 | 0 | |
| Oronoco | 2,145 | 6 | 0 | |
| Clearwater | 2,129 | 13 | 0 | |
| Waverly | 2,100 | 0 | 0 | |
| Mountain Lake | 2,073 | 4 | 0 | |
| Springfield | 2,070 | 2 | 0 | |
| Eyota | 2,043 | 0 | 0 | |
| Ortonville | 2,021 | 7 | 0 | |
| Slayton | 2,020 | 11 | 0 | |
| Hoyt Lakes | 2,020 | 4 | 0 | |
| Coleraine | 1,997 | 10 | 0 | |
| Blooming Prairie | 1,987 | 0 | 0 | |
| Hinckley | 1,964 | 16 | 16 | HAA5, Total Organic Carbon |
| Lester Prairie | 1,904 | 0 | 0 | |
| Mayer | 1,900 | 4 | 0 | |
| Gilbert | 1,871 | 1 | 0 | |
| Waterville | 1,868 | 0 | 0 | |
| Rushford | 1,860 | 2 | 0 | |
| Silver Bay | 1,826 | 4 | 0 | |
| Kenyon | 1,817 | 0 | 0 | |
| Avon | 1,811 | 18 | 1 | Chlorine Dioxide |
| Osakis | 1,805 | 8 | 0 | |
| Braham | 1,789 | 1 | 0 | |
| Canby | 1,769 | 0 | 0 | |
| Mapleton | 1,756 | 0 | 0 | |
| Spring Park | 1,743 | 1 | 0 | |
| Long Lake | 1,729 | 2 | 0 | |
| Ada | 1,725 | 5 | 0 | |
| Cologne | 1,700 | 0 | 0 | |
| Lakefield | 1,694 | 4 | 0 | |
| Medford | 1,626 | 2 | 1 | HAA5 |
| Stacy | 1,593 | 14 | 8 | HAA5, Total Organic Carbon |
| Dawson | 1,540 | 2 | 0 | |
| Dundas | 1,539 | 5 | 0 | |
| Lewiston | 1,520 | 6 | 6 | Total Organic Carbon |
| Madison | 1,511 | 0 | 0 | |
| Dassel | 1,503 | 4 | 0 | |
| Pierz | 1,500 | 2 | 0 | |
| Richmond | 1,485 | 2 | 0 | |
| Wheaton | 1,465 | 4 | 0 | |
| Starbuck | 1,440 | 4 | 0 | |
| St. Augusta | 1,425 | 1 | 0 | |
| Grand Marais | 1,404 | 6 | 0 | |
| Frazee | 1,400 | 0 | 0 | |
| Winnebago | 1,391 | 0 | 0 | |
| Glyndon | 1,386 | 4 | 0 | |
| Fosston | 1,385 | 0 | 0 | |
| Minneota | 1,380 | 2 | 0 | |
| Babbitt | 1,379 | 2 | 0 | |
| Appleton | 1,376 | 8 | 0 | |
| Preston | 1,372 | 11 | 0 | |
| Hayfield | 1,363 | 4 | 0 | |
| Clara City | 1,360 | 0 | 0 | |
| Menahga | 1,347 | 0 | 0 | |
| Ham Lake | 1,336 | 80 | 3 | Total Organic Carbon |
| Winthrop | 1,330 | 2 | 1 | Stage 2 DBP |
| Red Lake Falls | 1,328 | 0 | 0 | |
| Pequot Lakes | 1,325 | 10 | 0 | |
| Fulda | 1,318 | 0 | 0 | |
| Renville | 1,301 | 0 | 0 | |
| Fairfax | 1,295 | 6 | 0 | |
| Spring Grove | 1,291 | 0 | 0 | |
| Bagley | 1,288 | 0 | 0 | |
| New York Mills | 1,287 | 0 | 0 | |
| Elbow Lake | 1,285 | 0 | 0 | |
| Edgerton | 1,281 | 0 | 0 | |
| New London | 1,277 | 4 | 0 | |
| Royalton | 1,266 | 3 | 0 | |
| Shafer | 1,265 | 4 | 0 | |
| Cottonwood | 1,212 | 1 | 0 | |
| Adrian | 1,211 | 2 | 0 | |
| Mahnomen | 1,210 | 0 | 0 | |
| New Richland | 1,201 | 5 | 0 | |
| Goodhue | 1,200 | 2 | 0 | |
| Mantorville | 1,197 | 0 | 0 | |
| Grand Meadow | 1,154 | 1 | 0 | |
| Carlton | 1,146 | 0 | 0 | |
| Atwater | 1,133 | 0 | 0 | |
| Hector | 1,127 | 2 | 0 | |
| Tyler | 1,122 | 2 | 0 | |
| Nicollet | 1,117 | 2 | 0 | |
| Truman | 1,115 | 1 | 0 | |
| Elgin | 1,115 | 7 | 0 | |
| Wanamingo | 1,113 | 0 | 0 | |
| Keewatin | 1,068 | 0 | 0 | |
| Taylors Falls | 1,067 | 0 | 0 | |
| Sherburn | 1,058 | 1 | 0 | |
| Morristown | 1,047 | 4 | 0 | |
| Harmony | 1,042 | 0 | 0 | |
| Eden Valley | 1,042 | 0 | 0 | |
| Walker | 1,040 | 0 | 0 | |
| Bird Island | 1,024 | 0 | 0 | |
| Parkers Prairie | 1,023 | 1 | 0 | |
| Madison Lake | 1,017 | 3 | 0 | |
| Baudette | 1,002 | 27 | 0 | |
| Cohasset | 1,000 | 0 | 0 | |
| Buhl | 1,000 | 3 | 0 | |
| Houston | 997 | 3 | 1 | Total Organic Carbon |
| Biwabik | 975 | 4 | 4 | E. coli |
| Nashwauk | 971 | 0 | 0 | |
| Leroy | 959 | 0 | 0 | |
| Watkins | 958 | 0 | 0 | |
| Deer River | 942 | 0 | 0 | |
| Sebeka | 939 | 3 | 0 | |
| Pine River | 939 | 0 | 0 | |
| Mazeppa | 937 | 9 | 0 | |
| Battle Lake | 918 | 1 | 0 | |
| Kimball | 911 | 0 | 0 | |
| Morgan | 896 | 4 | 0 | |
| Gibbon | 890 | 56 | 56 | Barium |
| Henderson | 886 | 4 | 0 | |
| Henning | 882 | 12 | 5 | Selenium |
| Hilltop | 880 | 1 | 0 | |
| Tower | 872 | 11 | 5 | TTHM, Total Haloacetic Acids (HAA5) |
| Onamia | 869 | 4 | 0 | |
| Birchwood | 864 | 0 | 0 | |
| Hallock | 850 | 3 | 0 | |
| Silver Lake | 850 | 4 | 0 | |
| St. Clair | 846 | 0 | 0 | |
| Isle | 845 | 37 | 1 | Disinfection Byproducts |
| Hancock | 845 | 0 | 0 | |
| Clarkfield | 841 | 6 | 0 | |
| Browerville | 836 | 0 | 0 | |
| Lamberton | 828 | 6 | 0 | |
| Blackduck | 826 | 3 | 0 | |
| Walnut Grove | 825 | 0 | 0 | |
| Bovey | 821 | 0 | 0 | |
| Wabasso | 815 | 10 | 0 | |
| Hampton | 811 | 3 | 1 | Gross Alpha |
| Kerkhoven | 806 | 4 | 0 | |
| Deerwood | 805 | 8 | 0 | |
| Dover | 792 | 0 | 0 | |
| Fertile | 789 | 3 | 0 | |
| Westbrook | 785 | 0 | 0 | |
| Claremont | 773 | 11 | 0 | |
| West Concord | 773 | 1 | 0 | |
| Holdingford | 770 | 2 | 0 | |
| Raymond | 765 | 1 | 0 | |
| Rockville | 765 | 0 | 0 | |
| Orem | 750 | 4 | 0 | |
| Belgrade | 745 | 0 | 0 | |
| Ellendale | 737 | 22 | 12 | HAA5 |
| Trimont | 734 | 0 | 0 | |
| Lake Park | 729 | 0 | 0 | |
| Lanesboro | 727 | 0 | 0 | |
| Brownton | 722 | 0 | 0 | |
| Cleveland | 719 | 0 | 0 | |
| Mabel | 715 | 6 | 0 | |
| Karlstad | 713 | 9 | 0 | |
| Twin Valley | 707 | 0 | 0 | |
| Kasota | 704 | 9 | 0 | |
| Hoffman | 703 | 4 | 0 | |
| Buffalo Lake | 703 | 9 | 0 | |
| Marble | 699 | 0 | 0 | |
| Stockton | 697 | 3 | 2 | Total Organic Carbon |
| Clarks Grove | 695 | 0 | 0 | |
| Ottertail | 694 | 0 | 0 | |
| Cass Lake | 691 | 0 | 0 | |
| Heron Lake | 691 | 3 | 0 | |
| Hills | 685 | 1 | 0 | |
| Freeport | 685 | 0 | 0 | |
| Minnesota Lake | 683 | 0 | 0 | |
| Brownsdale | 682 | 0 | 0 | |
| Motley | 680 | 0 | 0 | |
| Greenbush | 680 | 9 | 0 | |
| Adams | 672 | 0 | 0 | |
| Clear Lake | 669 | 16 | 0 | |
| Rollingstone | 664 | 1 | 1 | Total Organic Carbon |
| Elmore | 663 | 0 | 0 | |
| Clarissa | 662 | 0 | 0 | |
| Alden | 661 | 11 | 2 | Disinfection Byproducts |
| Elysian | 656 | 3 | 1 | Total Organic Carbon |
| Graceville | 653 | 1 | 0 | |
| Welcome | 653 | 1 | 0 | |
| Hendricks | 650 | 0 | 0 | |
| Randall | 650 | 0 | 0 | |
| Brooten | 646 | 1 | 0 | |
| Taconite | 644 | 2 | 2 | Gross Alpha |
| Balaton | 639 | 1 | 0 | |
| Loretto | 637 | 0 | 0 | |
| Grove City | 635 | 1 | 0 | |
| Courtland | 635 | 4 | 0 | |
| Hill City | 633 | 2 | 0 | |
| Sabin | 629 | 6 | 2 | Barium |
| Oak Grove | 623 | 1 | 0 | |
| Jasper | 623 | 0 | 0 | |
| Barnum | 621 | 14 | 0 | |
| Evansville | 603 | 0 | 0 | |
| Scottsdale | 600 | 1 | 0 | |
| Green Isle | 599 | 0 | 0 | |
| Butterfield | 586 | 0 | 0 | |
| Mcintosh | 584 | 0 | 0 | |
| Good Thunder | 583 | 2 | 0 | |
| Ironton | 578 | 3 | 2 | Chlorine |
| Cook | 574 | 0 | 0 | |
| Audubon | 570 | 3 | 0 | |
| Stephen | 568 | 0 | 0 | |
| Glenville | 566 | 12 | 2 | HAA5 |
| Browns Valley | 566 | 0 | 0 | |
| Ranier | 565 | 0 | 0 | |
| Kandiyohi | 560 | 0 | 0 | |
| Ivanhoe | 559 | 0 | 0 | |
| Bertha | 557 | 3 | 0 | |
| Hokah | 555 | 6 | 0 | |
| Altura | 553 | 0 | 0 | |
| Halstad | 550 | 0 | 0 | |
| Minnetonka Beach | 547 | 0 | 0 | |
| Littlefork | 542 | 9 | 0 | |
| Eagle Bend | 542 | 2 | 0 | |
| Geneva | 538 | 0 | 0 | |
| Amboy | 535 | 8 | 3 | Total Organic Carbon |
| Argyle | 533 | 1 | 0 | |
| Hamburg | 530 | 0 | 0 | |
| Willernie | 525 | 6 | 0 | |
| Pillager | 523 | 3 | 0 | |
| Lyle | 521 | 17 | 4 | HAA5 |
| Clinton | 520 | 1 | 0 | |
| Laprairie | 520 | 2 | 0 | |
| Maplewood | 515 | 8 | 0 | |
| Cosmos | 513 | 4 | 4 | Barium |
| Lancaster | 511 | 69 | 38 | Barium |
| Brewster | 506 | 4 | 0 | |
| Verndale | 506 | 3 | 3 | Selenium |
| Chicago | 505 | 1 | 0 | |
| Lafayette | 504 | 7 | 7 | TTHM |
| Rothsay | 503 | 1 | 0 | |
| Brandon | 501 | 1 | 0 | |
| Floodwood | 501 | 0 | 0 | |
| East Bethel | 500 | 0 | 0 | |
| Ulen | 500 | 1 | 0 | |
| Prinsburg | 497 | 0 | 0 | |
| Franklin | 496 | 0 | 0 | |
| Carlos | 492 | 2 | 0 | |
| Pennock | 492 | 1 | 0 | |
| Kiester | 491 | 0 | 0 | |
| Sherman | 490 | 0 | 0 | |
| Sacred Heart | 485 | 0 | 0 | |
| Stewart | 482 | 8 | 6 | Barium, TTHM |
| Upsala | 482 | 1 | 0 | |
| Racine | 482 | 2 | 0 | |
| Ashby | 472 | 1 | 0 | |
| Kellogg | 469 | 0 | 0 | |
| Ogilvie | 467 | 11 | 0 | |
| Minnesota City | 464 | 10 | 0 | |
| Ellsworth | 462 | 17 | 9 | Selenium |
| North Oaks | 459 | 0 | 0 | |
| Clearbrook | 458 | 3 | 0 | |
| Skokie | 458 | 0 | 0 | |
| Garfield | 457 | 5 | 0 | |
| New Auburn | 456 | 0 | 0 | |
| Vermillion | 451 | 0 | 0 | |
| Harris | 450 | 0 | 0 | |
| Scandia | 448 | 21 | 1 | Gross Alpha |
| Lynd | 448 | 0 | 0 | |
| Danube | 446 | 7 | 6 | Total Organic Carbon |
| Wykoff | 444 | 3 | 0 | |
| Newfolden | 442 | 11 | 0 | |
| Remer | 434 | 8 | 0 | |
| Lowry | 433 | 10 | 1 | Barium |
| Akeley | 426 | 2 | 0 | |
| Badger | 425 | 12 | 0 | |
| Wood Lake | 423 | 1 | 0 | |
| New Germany | 422 | 0 | 0 | |
| Milan | 418 | 2 | 0 | |
| Nevis | 415 | 12 | 0 | |
| Oklee | 411 | 1 | 0 | |
| Willow River | 410 | 1 | 0 | |
| Fountain | 407 | 0 | 0 | |
| Cedar | 406 | 0 | 0 | |
| Sturgeon Lake | 406 | 0 | 0 | |
| Waubun | 404 | 0 | 0 | |
| Comfrey | 402 | 0 | 0 | |
| Fisher | 401 | 7 | 0 | |
| Rose Creek | 400 | 1 | 0 | |
| Las Vegas | 400 | 6 | 0 | |
| Morton | 400 | 3 | 0 | |
| Chokio | 400 | 0 | 0 | |
| Wrenshall | 399 | 0 | 0 | |
| Bigfork | 397 | 2 | 0 | |
| Mcgregor | 394 | 0 | 0 | |
| Hanska | 393 | 2 | 0 | |
| Maynard | 388 | 0 | 0 | |
| Dexter | 388 | 4 | 0 | |
| Herman | 386 | 3 | 0 | |
| Emmons | 384 | 0 | 0 | |
| Erskine | 384 | 3 | 0 | |
| Underwood | 380 | 0 | 0 | |
| Alvarado | 377 | 0 | 0 | |
| Round Lake | 376 | 0 | 0 | |
| Granada | 375 | 6 | 2 | Total Organic Carbon |
| Barrett | 374 | 0 | 0 | |
| Ghent | 370 | 0 | 0 | |
| Ceylon | 369 | 0 | 0 | |
| Askov | 364 | 9 | 2 | TTHM |
| Bricelyn | 359 | 0 | 0 | |
| Vergas | 358 | 0 | 0 | |
| Randolph | 355 | 31 | 1 | Chlorine |
| Darwin | 350 | 1 | 0 | |
| Wilmont | 344 | 0 | 0 | |
| St. Martin | 343 | 11 | 0 | |
| Rushmore | 342 | 1 | 0 | |
| Foreston | 340 | 1 | 0 | |
| Sanborn | 339 | 3 | 0 | |
| Russell | 338 | 2 | 0 | |
| Plummer | 336 | 25 | 0 | |
| Calumet | 332 | 0 | 0 | |
| Grey Eagle | 330 | 0 | 0 | |
| Swanville | 329 | 4 | 0 | |
| Deer Creek | 329 | 8 | 0 | |
| Vernon Center | 323 | 1 | 0 | |
| Hartland | 321 | 12 | 1 | Stage 2 DBP |
| New Munich | 320 | 2 | 0 | |
| Plato | 319 | 0 | 0 | |
| Vesta | 319 | 0 | 0 | |
| Cyrus | 318 | 3 | 0 | |
| Canton | 316 | 0 | 0 | |
| Finlayson | 315 | 0 | 0 | |
| Greenfield | 313 | 3 | 3 | Total Organic Carbon |
| Buckman | 309 | 1 | 0 | |
| Hackensack | 306 | 0 | 0 | |
| Murdock | 306 | 2 | 0 | |
| Center City | 305 | 3 | 0 | |
| Belview | 300 | 0 | 0 | |
| Middle River | 299 | 4 | 0 | |
| Nerstrand | 299 | 2 | 0 | |
| Beaver Creek | 297 | 1 | 0 | |
| Hollandale | 294 | 10 | 0 | |
| Utica | 293 | 3 | 1 | Selenium |
| Blomkest | 291 | 73 | 0 | |
| Hendrum | 285 | 16 | 0 | |
| Bowlus | 280 | 14 | 4 | Chlorine |
| Gonvick | 276 | 0 | 0 | |
| Eitzen | 276 | 0 | 0 | |
| Hanley Falls | 275 | 1 | 0 | |
| Chandler | 270 | 10 | 0 | |
| Echo | 269 | 2 | 0 | |
| Backus | 267 | 0 | 0 | |
| Little Canada | 266 | 2 | 0 | |
| Rushford Village | 265 | 0 | 0 | |
| Kensington | 264 | 5 | 0 | |
| Kelliher | 259 | 0 | 0 | |
| Freeborn | 259 | 6 | 4 | Barium |
| St. Hilaire | 257 | 2 | 0 | |
| Ostrander | 256 | 2 | 0 | |
| Hewitt | 255 | 2 | 0 | |
| Hayward | 254 | 2 | 2 | HAA5 |
| South Haven | 253 | 14 | 0 | |
| Milroy | 252 | 0 | 0 | |
| Cromwell | 250 | 0 | 0 | |
| Orr | 249 | 0 | 0 | |
| Pemberton | 247 | 4 | 0 | |
| Lake Wilson | 247 | 0 | 0 | |
| Oslo | 242 | 2 | 0 | |
| Pease | 242 | 4 | 0 | |
| Lismore | 237 | 1 | 0 | |
| Lake Lillian | 236 | 44 | 38 | Barium |
| Bigelow | 235 | 2 | 1 | Disinfection Byproducts |
| Callaway | 234 | 0 | 0 | |
| Currie | 226 | 1 | 0 | |
| Gary | 226 | 5 | 5 | Chlorine |
| Lewisville | 225 | 0 | 0 | |
| Climax | 223 | 114 | 38 | Barium |
| Dennison | 220 | 6 | 2 | HAA5 |
| Ruthton | 220 | 0 | 0 | |
| Beardsley | 216 | 1 | 0 | |
| Donnelly | 216 | 2 | 0 | |
| Waldorf | 216 | 0 | 0 | |
| Storden | 215 | 0 | 0 | |
| Magnolia | 214 | 0 | 0 | |
| Peterson | 213 | 0 | 0 | |
| Northrop | 211 | 0 | 0 | |
| Lucan | 210 | 0 | 0 | |
| Leota | 209 | 0 | 0 | |
| Dalton | 209 | 3 | 1 | Barium |
| Hitterdal | 208 | 0 | 0 | |
| Ogema | 206 | 5 | 0 | |
| Easton | 199 | 2 | 0 | |
| Hardwick | 198 | 3 | 0 | |
| Big Falls | 192 | 4 | 0 | |
| Frost | 191 | 2 | 0 | |
| Webster | 190 | 2 | 0 | |
| Okabena | 188 | 3 | 0 | |
| Holland | 187 | 1 | 0 | |
| Kennedy | 181 | 7 | 0 | |
| Winger | 181 | 57 | 57 | Barium |
| Zumbro Falls | 181 | 8 | 0 | |
| Lansing Township | 180 | 0 | 0 | |
| Steen | 180 | 3 | 0 | |
| Porter | 180 | 1 | 0 | |
| Grygla | 179 | 0 | 0 | |
| Felton | 178 | 11 | 0 | |
| Watson | 175 | 5 | 0 | |
| Boyd | 175 | 4 | 0 | |
| Shelly | 174 | 0 | 0 | |
| Winton | 173 | 0 | 0 | |
| Delavan | 171 | 0 | 0 | |
| Millville | 171 | 0 | 0 | |
| Bellechester | 169 | 0 | 0 | |
| Kettle River | 168 | 0 | 0 | |
| Bellingham | 168 | 5 | 0 | |
| Wendell | 167 | 2 | 0 | |
| Dunnell | 167 | 2 | 1 | Chlorine |
| Palisade | 166 | 2 | 1 | Chlorine Dioxide |
| Warba | 162 | 3 | 0 | |
| Iona | 162 | 2 | 0 | |
| Campbell | 159 | 2 | 0 | |
| Waltham | 157 | 9 | 0 | |
| Clements | 157 | 4 | 0 | |
| East Gull Lake | 156 | 2 | 0 | |
| Northome | 156 | 0 | 0 | |
| Kinney | 154 | 0 | 0 | |
| Elkton | 149 | 1 | 0 | |
| Elba | 146 | 0 | 0 | |
| Laporte | 140 | 2 | 0 | |
| Conger | 137 | 0 | 0 | |
| Marietta | 135 | 1 | 0 | |
| Taunton | 135 | 0 | 0 | |
| Garvin | 135 | 1 | 0 | |
| Mapleview | 135 | 5 | 0 | |
| Meadowlands | 135 | 11 | 2 | E. coli |
| Twin Lakes | 134 | 5 | 5 | HAA5 |
| Kilkenny | 134 | 2 | 0 | |
| Brook Park | 133 | 22 | 8 | Total Haloacetic Acids (HAA5), Total Organic Carbon |
| Riverton | 132 | 6 | 1 | Stage 2 DBP |
| Beaver Bay | 130 | 13 | 0 | |
| Ormsby | 129 | 1 | 0 | |
| Bingham Lake | 128 | 0 | 0 | |
| Irvine | 125 | 6 | 0 | |
| Wolverton | 124 | 10 | 0 | |
| Columbus | 123 | 0 | 0 | |
| Marine On St. Croix | 123 | 7 | 0 | |
| Perley | 113 | 2 | 0 | |
| Alpha | 112 | 14 | 3 | Chlorine |
| Avoca | 111 | 2 | 0 | |
| Puposky | 110 | 26 | 1 | Stage 2 DBP |
| Warsaw | 110 | 36 | 16 | HAA5, Total Organic Carbon |
| Mckinley | 110 | 1 | 0 | |
| Degraff | 110 | 0 | 0 | |
| Hammond | 110 | 4 | 0 | |
| Odin | 109 | 3 | 0 | |
| Woodstock | 108 | 3 | 0 | |
| Bloomfield Hills | 100 | 13 | 0 | |
| Goodridge | 100 | 3 | 0 | |
| Fort Worth | 100 | 13 | 3 | Chlorine |
Water Quality in Other States
Alabama 13,972 violations Alaska 73,527 violations Arizona 60,414 violations Arkansas 17,031 violations California 39,276 violations Colorado 42,596 violations Connecticut 28,800 violations Delaware 1,242 violations District of Columbia 115 violations Florida 36,335 violations Georgia 32,159 violations Hawaii 182 violations Idaho 26,078 violations Illinois 30,544 violations Indiana 18,261 violations Iowa 9,389 violations Kansas 19,480 violations Kentucky 9,427 violations Louisiana 32,039 violations Maine 6,830 violations Maryland 5,321 violations Massachusetts 10,561 violations Michigan 15,820 violations Mississippi 25,296 violations Missouri 25,377 violations Montana 20,202 violations Nebraska 5,134 violations Nevada 8,167 violations New Hampshire 6,968 violations New Jersey 19,332 violations New Mexico 37,115 violations New York 93,834 violations North Carolina 54,399 violations North Dakota 8,431 violations Ohio 61,604 violations Oklahoma 128,472 violations Oregon 0 violations Pennsylvania 199,265 violations Rhode Island 0 violations South Carolina 13,045 violations South Dakota 19,565 violations Tennessee 20,607 violations Texas 263,180 violations Utah 71,655 violations Vermont 12,362 violations Virginia 15,298 violations Washington 54,459 violations West Virginia 81,622 violations Wisconsin 18,533 violations Wyoming 13,783 violations
Data Sources
Drinking water data from the EPA Safe Drinking Water Information System (SDWIS). Only active community water systems (CWS) serving 100+ people are included.