Water Quality in Arkansas
665 water systems • 398 cities • EPA SDWIS Data
665
Water Systems
17,031
Total Violations
6,234
Health-Based Violations
3,019,237
Population Served
Overview
Arkansas has 665 active community water systems serving 3,019,237 people. These systems have accumulated 17,031 EPA Safe Drinking Water Act violations on record, of which 6,234 are health-based violations (meaning a contaminant exceeded safe levels).
Common contaminants found in violations: Gross Alpha, Chlorine, Chlorine Dioxide, Disinfection Byproducts, TTHM, Nitrate, E. coli, Cyanide, Fecal Coliform, Bromate.
Cities with Most Violations in Arkansas
| # | City | Violations | Health-Based | Water Systems | Population |
|---|---|---|---|---|---|
| 1 | Marianna | 358 | 205 | 3 | 8,658 |
| 2 | Mammoth Spring | 341 | 95 | 2 | 1,829 |
| 3 | Humphrey | 286 | 73 | 1 | 602 |
| 4 | Mount Ida | 273 | 206 | 2 | 3,218 |
| 5 | Strong | 243 | 92 | 4 | 3,164 |
| 6 | Pangburn | 222 | 69 | 1 | 2,936 |
| 7 | Brinkley | 211 | 85 | 3 | 4,172 |
| 8 | Magnolia | 201 | 56 | 3 | 14,699 |
| 9 | El Dorado | 199 | 76 | 13 | 27,879 |
| 10 | Moro | 199 | 161 | 1 | 219 |
Largest Cities in Arkansas
| # | City | Population | Violations | Water Systems |
|---|---|---|---|---|
| 1 | Little Rock | 380,367 | 97 | 5 |
| 2 | Fayetteville | 116,639 | 167 | 4 |
| 3 | Springdale | 98,986 | 32 | 2 |
| 4 | Fort Smith | 86,209 | 4 | 1 |
| 5 | Hot Springs | 85,216 | 24 | 4 |
| 6 | Rogers | 81,618 | 135 | 6 |
| 7 | Jonesboro | 79,889 | 4 | 1 |
| 8 | Conway | 68,228 | 29 | 2 |
| 9 | Benton | 57,691 | 14 | 4 |
| 10 | Pine Bluff | 56,401 | 11 | 5 |
All Cities in Arkansas
| City | Population | Violations | Health Violations | Contaminants |
|---|---|---|---|---|
| Little Rock | 380,367 | 97 | 42 | Bromate, Chlorine, Gross Alpha +2 more |
| Fayetteville | 116,639 | 167 | 12 | Chlorine, Disinfection Byproducts |
| Springdale | 98,986 | 32 | 5 | E. coli |
| Fort Smith | 86,209 | 4 | 4 | E. coli, Fecal Coliform |
| Hot Springs | 85,216 | 24 | 16 | Gross Alpha, TTHM |
| Rogers | 81,618 | 135 | 25 | Contaminant 1008, E. coli, Gross Alpha +1 more |
| Jonesboro | 79,889 | 4 | 0 | |
| Conway | 68,228 | 29 | 18 | Chlorine, Disinfection Byproducts, TTHM |
| Benton | 57,691 | 14 | 8 | Contaminant 2920, Gross Alpha, TTHM |
| Pine Bluff | 56,401 | 11 | 0 | |
| Bentonville | 51,383 | 20 | 0 | |
| Searcy | 45,246 | 9 | 0 | |
| Jacksonville | 41,493 | 1 | 0 | |
| Cabot | 40,991 | 0 | 0 | |
| Bella Vista | 39,502 | 43 | 23 | Chlorine, TTHM |
| Paragould | 33,653 | 30 | 3 | Gross Alpha |
| Russellville | 32,372 | 55 | 54 | Disinfection Byproducts, Gross Alpha, TTHM |
| Van Buren | 30,574 | 142 | 22 | Gross Alpha, TTHM |
| Texarkana | 30,098 | 33 | 23 | Chlorine, TTHM |
| Malvern | 28,483 | 4 | 3 | Gross Alpha, TTHM |
| El Dorado | 27,879 | 199 | 76 | Chlorine, Contaminant 1094, E. coli +2 more |
| Centerton | 27,243 | 18 | 10 | Gross Alpha, TTHM |
| Batesville | 26,638 | 182 | 71 | Chlorine, Disinfection Byproducts, Gross Alpha +1 more |
| Harrison | 25,596 | 82 | 11 | Disinfection Byproducts, Gross Alpha |
| Greenwood | 25,280 | 140 | 115 | TTHM |
| Mountain Home | 24,702 | 10 | 9 | Barium, Chlorine, Gross Alpha |
| Vilonia | 24,690 | 9 | 6 | Gross Alpha |
| West Memphis | 24,419 | 4 | 0 | |
| Heber Springs | 23,936 | 14 | 3 | Gross Alpha |
| Stuttgart | 22,721 | 76 | 42 | Gross Alpha |
| Siloam Springs | 21,543 | 148 | 92 | Chlorine, Fecal Coliform, Gross Alpha |
| Russelville | 20,394 | 22 | 20 | TTHM |
| Farmington | 20,140 | 68 | 44 | TTHM |
| Bryant | 19,607 | 5 | 4 | Gross Alpha |
| Camden | 19,347 | 120 | 65 | Chlorine, Fecal Coliform, Gross Alpha +1 more |
| Greers Ferry | 18,628 | 15 | 5 | E. coli, Gross Alpha |
| Morrilton | 18,303 | 54 | 16 | Gross Alpha, Nitrate |
| Austin | 17,405 | 21 | 0 | |
| Clarksville | 17,329 | 38 | 0 | |
| Blytheville | 16,189 | 94 | 5 | E. coli, Gross Alpha |
| Hot Springs Village | 15,985 | 0 | 0 | |
| Mabelvale | 15,660 | 1 | 0 | |
| Arkadelphia | 15,465 | 11 | 3 | Disinfection Byproducts, Gross Alpha |
| Pocahontas | 15,246 | 6 | 3 | Chlorine, E. coli |
| Huntsville | 14,943 | 0 | 0 | |
| Sheridan | 14,911 | 7 | 0 | |
| Clinton | 14,718 | 33 | 20 | Disinfection Byproducts, E. coli |
| Magnolia | 14,699 | 201 | 56 | Chlorine, E. coli, Gross Alpha +2 more |
| Hope | 14,516 | 173 | 94 | Chlorine, Chlorine Dioxide, Disinfection Byproducts +3 more |
| Marion | 13,742 | 50 | 13 | Chlorine, Gross Alpha |
| Alma | 13,167 | 66 | 5 | Chlorine, Gross Alpha |
| Monticello | 13,129 | 137 | 52 | Chlorine, Gross Alpha |
| Greenbrier | 12,938 | 2 | 0 | |
| Ward | 12,579 | 15 | 3 | Chlorine |
| Crossett | 11,805 | 8 | 3 | Gross Alpha |
| Dardanelle | 11,712 | 40 | 30 | Disinfection Byproducts, Fecal Coliform, TTHM |
| Ozark | 11,633 | 20 | 2 | Gross Alpha |
| Dequeen | 11,470 | 17 | 11 | Disinfection Byproducts, Fecal Coliform |
| Nashville | 11,444 | 75 | 68 | Gross Alpha, TTHM |
| Forrest City | 11,089 | 3 | 0 | |
| Pea Ridge | 10,820 | 1 | 0 | |
| Rison | 10,774 | 13 | 8 | Gross Alpha |
| Elkins | 10,213 | 26 | 7 | Gross Alpha, TTHM |
| Trumann | 10,000 | 18 | 18 | Gross Alpha |
| Prairie Grove | 9,615 | 31 | 31 | Gross Alpha, TTHM, Total Haloacetic Acids (HAA5) |
| Star City | 9,537 | 40 | 21 | Gross Alpha |
| Mena | 9,514 | 9 | 2 | Contaminant 1009 |
| Hickory Ridge | 9,212 | 69 | 9 | E. coli, TTHM |
| Marianna | 8,658 | 358 | 205 | E. coli, TTHM |
| Wynne | 8,639 | 41 | 6 | Chlorine, Gross Alpha |
| Helena | 8,589 | 98 | 47 | Chlorine, Chlorine Dioxide, E. coli +1 more |
| Cedarville | 8,529 | 0 | 0 | |
| Beebe | 8,451 | 1 | 0 | |
| Judsonia | 8,171 | 27 | 16 | Chlorine |
| Mountain View | 8,012 | 12 | 8 | Fecal Coliform, Gross Alpha |
| Warren | 7,962 | 7 | 4 | Disinfection Byproducts, Gross Alpha |
| Gentry | 7,910 | 20 | 20 | TTHM |
| Paris | 7,653 | 37 | 25 | Fecal Coliform, Gross Alpha, Total Haloacetic Acids (HAA5) |
| Dumas | 7,476 | 26 | 12 | E. coli, Gross Alpha |
| Mayflower | 7,390 | 0 | 0 | |
| Tontitown | 7,355 | 43 | 28 | Gross Alpha, TTHM |
| Osceola | 7,341 | 59 | 8 | Chlorine, Gross Alpha |
| Walcott | 7,095 | 4 | 4 | Gross Alpha |
| Berryville | 6,838 | 25 | 6 | Chlorine, E. coli |
| Perryville | 6,793 | 70 | 38 | Chlorine, Disinfection Byproducts, Fecal Coliform |
| Avoca | 6,730 | 4 | 3 | TTHM |
| Harrisburg | 6,697 | 6 | 0 | |
| Lincoln | 6,690 | 18 | 8 | Gross Alpha, TTHM |
| Tumbling Shoals | 6,608 | 1 | 0 | |
| Mcgehee | 6,453 | 70 | 17 | Chlorine |
| Mc Dougal | 6,442 | 23 | 9 | Gross Alpha |
| Green Forest | 6,265 | 12 | 0 | |
| Newport | 6,204 | 3 | 0 | |
| Grady | 6,133 | 27 | 4 | Disinfection Byproducts, Gross Alpha |
| Cave City | 6,060 | 49 | 3 | Barium |
| Walnut Ridge | 5,823 | 11 | 3 | Total Haloacetic Acids (HAA5) |
| Foreman | 5,748 | 110 | 74 | Chlorine, Contaminant 2920, Gross Alpha +2 more |
| Hamburg | 5,600 | 46 | 6 | Gross Alpha |
| Marshall | 5,561 | 150 | 82 | Chlorine, E. coli, Gross Alpha +1 more |
| Bald Knob | 5,535 | 51 | 13 | Chlorine, Gross Alpha |
| Cave Springs | 5,365 | 171 | 65 | Chlorine, TTHM |
| Fox | 5,188 | 14 | 4 | TTHM |
| Piggott | 5,150 | 87 | 24 | Chlorine, Gross Alpha |
| Bradford | 5,133 | 119 | 7 | Chlorine |
| Fordyce | 5,118 | 40 | 6 | Gross Alpha |
| Lake Village | 5,115 | 124 | 70 | Gross Alpha, TTHM |
| Barling | 5,110 | 12 | 0 | |
| Booneville | 5,078 | 10 | 0 | |
| Higginson | 5,018 | 7 | 0 | |
| Wooster | 5,000 | 29 | 21 | TTHM, Total Haloacetic Acids (HAA5) |
| Gravette | 4,900 | 5 | 0 | |
| Lamar | 4,828 | 6 | 0 | |
| Ashdown | 4,806 | 5 | 2 | Gross Alpha |
| Cherokee Village | 4,780 | 1 | 0 | |
| Lakeview | 4,691 | 3 | 3 | Gross Alpha |
| Eureka Springs | 4,638 | 163 | 54 | Chlorine, Disinfection Byproducts, E. coli +1 more |
| Smackover | 4,614 | 49 | 2 | Gross Alpha |
| Holiday Island | 4,540 | 10 | 5 | Gross Alpha |
| Prescott | 4,500 | 9 | 5 | E. coli, Gross Alpha |
| Caraway | 4,487 | 4 | 3 | Chlorine |
| Atkins | 4,439 | 6 | 6 | Fecal Coliform, Gross Alpha, TTHM |
| Brookland | 4,283 | 1 | 1 | Disinfection Byproducts |
| Lonoke | 4,277 | 16 | 5 | Chlorine |
| Des Arc | 4,245 | 52 | 40 | TTHM |
| Brinkley | 4,172 | 211 | 85 | Disinfection Byproducts, TTHM |
| Manila | 4,165 | 10 | 2 | Bromate, Disinfection Byproducts |
| Melbourne | 4,126 | 6 | 3 | Gross Alpha |
| Dewitt | 4,102 | 23 | 6 | Gross Alpha |
| Salem | 4,050 | 12 | 9 | Gross Alpha |
| Pottsville | 4,045 | 20 | 0 | |
| Haskell | 4,000 | 15 | 12 | Chlorine |
| Marmaduke | 3,993 | 31 | 12 | Gross Alpha |
| Highfall | 3,970 | 14 | 9 | TTHM |
| Flippin | 3,870 | 23 | 0 | |
| Shannon Hills | 3,832 | 2 | 0 | |
| Lavaca | 3,650 | 0 | 0 | |
| Poplar Grove | 3,642 | 5 | 0 | |
| Waldron | 3,550 | 3 | 3 | Chlorine |
| Gurdon | 3,547 | 20 | 12 | Gross Alpha |
| Hermitage | 3,543 | 21 | 11 | Chlorine, Gross Alpha |
| Donaldson | 3,528 | 0 | 0 | |
| Waldo | 3,506 | 89 | 84 | Gross Alpha, TTHM, Total Haloacetic Acids (HAA5) |
| Hampton | 3,497 | 20 | 0 | |
| Hardy | 3,491 | 5 | 4 | Gross Alpha |
| Sulphur Rock | 3,462 | 0 | 0 | |
| Valley Springs | 3,400 | 43 | 4 | Disinfection Byproducts |
| Corning | 3,388 | 29 | 9 | Total Organic Carbon |
| Charleston | 3,386 | 13 | 0 | |
| Mulberry | 3,356 | 51 | 28 | Disinfection Byproducts, Fecal Coliform, Gross Alpha +1 more |
| Bergman | 3,285 | 13 | 8 | Gross Alpha |
| Eudora | 3,270 | 40 | 11 | Chlorine |
| Proctor | 3,260 | 58 | 1 | Disinfection Byproducts |
| Mount Ida | 3,218 | 273 | 206 | Chlorine, Contaminant 1009, Contaminant 2920 +5 more |
| Horseshoe Bend | 3,217 | 0 | 0 | |
| Deer | 3,204 | 145 | 52 | Chlorine, Disinfection Byproducts, E. coli +2 more |
| Hughes | 3,182 | 38 | 4 | Gross Alpha |
| West Fork | 3,178 | 8 | 0 | |
| Strong | 3,164 | 243 | 92 | Chlorine, Gross Alpha, TTHM +1 more |
| Gosnell | 3,083 | 2 | 1 | Disinfection Byproducts |
| Pangburn | 2,936 | 222 | 69 | Bromate, Disinfection Byproducts, E. coli +3 more |
| Crawfordsville | 2,886 | 171 | 14 | Chlorine, Gross Alpha |
| Tuckerman | 2,869 | 84 | 0 | |
| Cherry Valley | 2,864 | 23 | 4 | Gross Alpha |
| Pleasant Grove | 2,862 | 64 | 64 | Disinfection Byproducts, Fecal Coliform |
| Bull Shoals | 2,835 | 20 | 18 | Contaminant 2920, Gross Alpha |
| Roland | 2,832 | 4 | 2 | Gross Alpha |
| Redfield | 2,823 | 3 | 0 | |
| Danville | 2,810 | 99 | 83 | Bromate, Chlorine, E. coli +2 more |
| Murfreesboro | 2,733 | 61 | 42 | Chlorine, Disinfection Byproducts, E. coli +2 more |
| Cord | 2,722 | 0 | 0 | |
| Hoxie | 2,666 | 20 | 9 | E. coli, Total Haloacetic Acids (HAA5) |
| Calico Rock | 2,633 | 19 | 0 | |
| Yellville | 2,630 | 20 | 0 | |
| Marked Tree | 2,610 | 4 | 0 | |
| Jefferson | 2,551 | 5 | 0 | |
| Bono | 2,550 | 2 | 2 | Gross Alpha |
| Alexander | 2,538 | 5 | 0 | |
| Bearden | 2,511 | 6 | 0 | |
| Lowell | 2,502 | 31 | 0 | |
| England | 2,477 | 15 | 3 | Gross Alpha |
| Decatur | 2,468 | 3 | 0 | |
| Lake City | 2,450 | 50 | 6 | Gross Alpha |
| Guy | 2,438 | 2 | 0 | |
| Mansfield | 2,367 | 43 | 34 | Chlorine, TTHM |
| Marvell | 2,340 | 135 | 20 | Chlorine, Disinfection Byproducts |
| Gateway | 2,325 | 26 | 0 | |
| Carlisle | 2,300 | 3 | 0 | |
| New Blaine | 2,263 | 37 | 28 | TTHM, Total Haloacetic Acids (HAA5) |
| Damascus | 2,235 | 25 | 24 | TTHM |
| Lepanto | 2,231 | 7 | 4 | Gross Alpha |
| Augusta | 2,228 | 10 | 0 | |
| Mountainburg | 2,187 | 10 | 0 | |
| Rosston | 2,180 | 119 | 83 | Chlorine, TTHM |
| Knoxville | 2,087 | 0 | 0 | |
| Boonville | 2,087 | 15 | 9 | Gross Alpha, TTHM |
| Glenwood | 2,068 | 13 | 4 | Chlorine, E. coli |
| Rector | 2,056 | 11 | 0 | |
| Earle | 2,047 | 31 | 10 | Chlorine, E. coli |
| Gassville | 2,040 | 7 | 0 | |
| Leachville | 2,030 | 0 | 0 | |
| Wickes | 2,014 | 13 | 2 | Total Haloacetic Acids (HAA5) |
| Lewisville | 1,951 | 13 | 0 | |
| Bay | 1,938 | 18 | 0 | |
| Kirby | 1,932 | 8 | 0 | |
| Vendor | 1,920 | 18 | 0 | |
| Taylor | 1,906 | 41 | 16 | Chlorine, Gross Alpha |
| Lamer | 1,885 | 6 | 0 | |
| Junction City | 1,862 | 42 | 6 | Chlorine, Gross Alpha |
| Scranton | 1,854 | 27 | 17 | Fecal Coliform, Gross Alpha, Total Haloacetic Acids (HAA5) |
| Mammoth Spring | 1,829 | 341 | 95 | Bromate, Chlorine, Chlorine Dioxide +3 more |
| New Edinburgh | 1,825 | 2 | 0 | |
| Altus | 1,820 | 9 | 1 | Disinfection Byproducts |
| Garfield | 1,808 | 61 | 29 | Chlorine, Gross Alpha, TTHM |
| Dover | 1,797 | 3 | 0 | |
| Mc Crory | 1,736 | 4 | 0 | |
| St Joe | 1,730 | 12 | 8 | Gross Alpha |
| Mineral Springs | 1,710 | 28 | 6 | Gross Alpha |
| Emerson | 1,692 | 49 | 3 | E. coli |
| Ash Flat | 1,659 | 14 | 4 | Gross Alpha |
| Palestine | 1,649 | 3 | 0 | |
| Stamps | 1,633 | 34 | 0 | |
| Kensett | 1,624 | 37 | 0 | |
| Caldwell | 1,585 | 0 | 0 | |
| Delight | 1,577 | 39 | 20 | Chlorine, Disinfection Byproducts |
| Holly Grove | 1,557 | 109 | 23 | E. coli, Gross Alpha |
| Jasper | 1,523 | 64 | 13 | Chlorine, Fecal Coliform |
| Stephens | 1,505 | 20 | 0 | |
| Casa | 1,500 | 34 | 18 | TTHM |
| North Little Rock | 1,500 | 0 | 0 | |
| Newark | 1,482 | 26 | 0 | |
| Plumerville | 1,440 | 10 | 0 | |
| Winslow | 1,433 | 5 | 0 | |
| Mc Neil | 1,415 | 17 | 6 | Gross Alpha |
| Havana | 1,411 | 34 | 21 | Disinfection Byproducts, TTHM, Total Haloacetic Acids (HAA5) |
| Quitman | 1,400 | 0 | 0 | |
| East Camden | 1,399 | 2 | 0 | |
| Monette | 1,385 | 0 | 0 | |
| Coal Hill | 1,372 | 16 | 2 | Chlorine |
| London | 1,363 | 4 | 2 | Gross Alpha |
| Prattsville | 1,341 | 1 | 0 | |
| Bigelow | 1,340 | 13 | 0 | |
| Mount Pleasant | 1,338 | 2 | 0 | |
| Wilson | 1,336 | 0 | 0 | |
| Jordan | 1,332 | 17 | 16 | Chlorine, Gross Alpha |
| Sparkman | 1,325 | 29 | 16 | Chlorine, Gross Alpha |
| Clarendon | 1,320 | 48 | 29 | Chlorine |
| Dierks | 1,317 | 13 | 9 | Fecal Coliform |
| Hazen | 1,301 | 4 | 0 | |
| Oppelo | 1,300 | 6 | 1 | Gross Alpha |
| Diamond City | 1,290 | 86 | 40 | Chlorine |
| Horatio | 1,278 | 62 | 40 | Chlorine |
| Turrell | 1,260 | 103 | 1 | Chlorine |
| Amity | 1,256 | 32 | 10 | Bromate, Chlorine, Fecal Coliform +1 more |
| Oxford | 1,253 | 3 | 1 | Chlorine |
| Cotter | 1,233 | 4 | 4 | Gross Alpha |
| Elaine | 1,233 | 48 | 8 | Chlorine, Gross Alpha |
| Hartman | 1,230 | 7 | 1 | Gross Alpha |
| Central City | 1,227 | 4 | 0 | |
| Ola | 1,204 | 36 | 24 | Disinfection Byproducts, TTHM |
| Omaha | 1,188 | 29 | 8 | Gross Alpha |
| Blevins | 1,170 | 49 | 43 | TTHM |
| Norphlet | 1,112 | 4 | 2 | Gross Alpha |
| Belleville | 1,103 | 44 | 31 | Gross Alpha, TTHM |
| Hackett | 1,090 | 68 | 55 | TTHM |
| Carthage | 1,083 | 1 | 0 | |
| Dell | 1,077 | 8 | 2 | Chlorine |
| New Port | 1,071 | 6 | 1 | Chlorine |
| Black Rock | 1,034 | 2 | 0 | |
| Fountain Hill | 1,028 | 29 | 12 | TTHM |
| Dyer | 1,028 | 43 | 21 | TTHM |
| Ratcliff | 1,019 | 10 | 9 | Total Haloacetic Acids (HAA5) |
| Swifton | 1,013 | 46 | 34 | Chlorine |
| Magazine | 1,000 | 32 | 4 | Fecal Coliform |
| Colt | 997 | 16 | 0 | |
| Compton | 990 | 90 | 63 | Chlorine |
| Weiner | 973 | 0 | 0 | |
| Tyronza | 958 | 0 | 0 | |
| Fouke | 955 | 175 | 58 | Chlorine, Gross Alpha |
| Strawberry | 954 | 1 | 0 | |
| Norfork | 918 | 5 | 0 | |
| Thornton | 900 | 3 | 0 | |
| Western Grove | 900 | 15 | 0 | |
| Fifty Six | 885 | 143 | 9 | Chlorine, E. coli |
| Mccrae | 870 | 36 | 9 | Chlorine |
| Luxora | 868 | 3 | 3 | Gross Alpha |
| Mount Holly | 867 | 4 | 2 | Gross Alpha |
| Parkin | 845 | 51 | 4 | Chlorine Dioxide |
| Bradley | 842 | 56 | 52 | Gross Alpha, TTHM |
| Gould | 837 | 10 | 0 | |
| Bates Ville | 830 | 16 | 4 | Chlorine |
| Imboden | 825 | 13 | 0 | |
| Grubbs | 823 | 1 | 0 | |
| Keiser | 810 | 42 | 4 | Chlorine |
| Mountain Pine | 805 | 27 | 3 | Gross Alpha |
| Wilmar | 803 | 36 | 12 | Gross Alpha |
| Burdette | 798 | 6 | 6 | Gross Alpha |
| Wilmot | 793 | 118 | 70 | Chlorine, E. coli, Gross Alpha +1 more |
| Patterson | 787 | 35 | 0 | |
| Subiaco | 783 | 37 | 21 | Chlorine, Fecal Coliform, TTHM +1 more |
| Huntington | 782 | 35 | 24 | Chlorine, TTHM |
| Altheimer | 765 | 55 | 0 | |
| Norman | 750 | 54 | 43 | Chlorine, E. coli, Fecal Coliform +3 more |
| Evening Shade | 750 | 13 | 0 | |
| Lockesburg | 739 | 23 | 6 | Disinfection Byproducts, Gross Alpha |
| Perry | 736 | 15 | 7 | Disinfection Byproducts, Fecal Coliform, Gross Alpha |
| Huttig | 733 | 7 | 3 | TTHM |
| Leslie | 730 | 22 | 0 | |
| Eldorado | 729 | 10 | 0 | |
| Hartford | 725 | 141 | 39 | Chlorine |
| Salesville | 715 | 8 | 7 | Chlorine, Gross Alpha |
| Umpire | 710 | 35 | 19 | Chlorine, Disinfection Byproducts, Total Haloacetic Acids (HAA5) |
| Bauxite | 705 | 28 | 6 | Chlorine |
| Dyess | 684 | 10 | 3 | Gross Alpha |
| Summit | 675 | 33 | 6 | Gross Alpha |
| Lake View-Phillips | 665 | 163 | 0 | |
| Gillett | 655 | 6 | 2 | Gross Alpha |
| Lynn | 651 | 4 | 0 | |
| Cove | 651 | 27 | 27 | TTHM |
| Hatfield | 641 | 18 | 17 | TTHM |
| Portland | 625 | 21 | 9 | TTHM |
| Ravenden | 621 | 0 | 0 | |
| Horseshoe Lake | 603 | 10 | 3 | Gross Alpha |
| Humphrey | 602 | 286 | 73 | Chlorine, Chlorine Dioxide |
| Devalls Bluff | 600 | 35 | 0 | |
| White Hall | 600 | 4 | 0 | |
| Portia | 586 | 17 | 5 | Disinfection Byproducts, Gross Alpha, Total Haloacetic Acids (HAA5) |
| Lead Hill | 585 | 100 | 20 | Chlorine, E. coli |
| Sulphur Springs | 580 | 44 | 4 | E. coli |
| Wheatley | 573 | 48 | 16 | TTHM |
| Alpena | 568 | 0 | 0 | |
| Leola | 564 | 12 | 6 | Chlorine, Gross Alpha |
| Rohwer | 563 | 20 | 3 | Gross Alpha |
| Antoine | 563 | 34 | 19 | Chlorine |
| Okolona | 562 | 22 | 12 | Chlorine, Gross Alpha |
| Bonanza | 555 | 11 | 0 | |
| Emmet | 550 | 2 | 0 | |
| Grannis | 548 | 1 | 0 | |
| Tillar | 535 | 18 | 13 | Disinfection Byproducts, Gross Alpha |
| Caddo Valley | 535 | 8 | 0 | |
| Big Flat | 523 | 3 | 0 | |
| Humnoke | 517 | 152 | 22 | Chlorine, Disinfection Byproducts |
| Widener | 507 | 42 | 0 | |
| Everton | 503 | 7 | 3 | Gross Alpha |
| Fort Chaffee | 500 | 2 | 2 | Chlorine |
| Branch | 500 | 32 | 25 | Gross Alpha, TTHM |
| Ogden | 495 | 1 | 0 | |
| Calion | 494 | 4 | 0 | |
| Pyatt | 488 | 172 | 26 | Chlorine, E. coli |
| Oak Grove | 485 | 18 | 9 | Gross Alpha |
| Montrose | 473 | 85 | 42 | Chlorine, Disinfection Byproducts, Gross Alpha +1 more |
| Oakland | 465 | 7 | 0 | |
| Russell | 461 | 9 | 0 | |
| Winchester | 457 | 4 | 4 | Gross Alpha |
| Kingsland | 447 | 4 | 0 | |
| Reyno | 437 | 6 | 4 | Gross Alpha |
| Cotton Plant | 435 | 162 | 24 | Chlorine, Gross Alpha |
| Willisville | 430 | 32 | 20 | Chlorine, Gross Alpha |
| Ozan | 425 | 26 | 4 | Chlorine |
| Village | 412 | 2 | 0 | |
| Biggers | 404 | 11 | 2 | Gross Alpha |
| Keo | 402 | 73 | 24 | Chlorine |
| Oden | 393 | 137 | 107 | Chlorine, Fecal Coliform, TTHM |
| Biscoe | 388 | 24 | 24 | Chlorine |
| Arkansas City | 376 | 34 | 31 | E. coli, Gross Alpha, TTHM |
| Maynard | 375 | 14 | 6 | Chlorine |
| Blue Mountain | 357 | 62 | 52 | Gross Alpha, TTHM |
| Wilton | 354 | 21 | 0 | |
| Sidney | 350 | 9 | 0 | |
| Almyra | 349 | 27 | 0 | |
| Pelsor | 345 | 50 | 32 | Chlorine, Chlorine Dioxide, E. coli |
| Joiner | 343 | 106 | 40 | Chlorine |
| Cash | 342 | 11 | 0 | |
| Garland | 342 | 8 | 1 | Gross Alpha |
| Viola | 336 | 0 | 0 | |
| Chidester | 336 | 33 | 0 | |
| St Charles | 326 | 12 | 0 | |
| Des Peres | 298 | 16 | 11 | TTHM |
| Harrell | 296 | 12 | 10 | Gross Alpha |
| Buckner | 290 | 1 | 0 | |
| Wabbaseka | 286 | 124 | 12 | Disinfection Byproducts, E. coli, Gross Alpha |
| Gillham | 255 | 23 | 6 | Chlorine, Gross Alpha |
| Knobel | 249 | 0 | 0 | |
| Sedgwick | 249 | 11 | 0 | |
| Pollard | 247 | 13 | 0 | |
| Oil Trough | 235 | 10 | 0 | |
| Jacksonport | 233 | 28 | 6 | Chlorine |
| Moro | 219 | 199 | 161 | Gross Alpha, TTHM |
| Ulm | 216 | 43 | 3 | Chlorine |
| Dermott | 212 | 25 | 1 | Bromate |
| Ben Lomond | 210 | 65 | 9 | Chlorine, Gross Alpha |
| Mcghee | 209 | 15 | 7 | E. coli, Gross Alpha |
| Franklin | 192 | 0 | 0 | |
| Watson | 166 | 30 | 23 | Chlorine, Gross Alpha |
| Success | 165 | 8 | 0 | |
| Felsenthal | 150 | 8 | 0 | |
| Bivins | 150 | 2 | 0 | |
| Ravenden Springs | 139 | 7 | 0 | |
| Williford | 105 | 11 | 4 | Chlorine, Gross Alpha |
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.