Arkansas Water Quality
According to EPA Safe Drinking Water Information System (SDWIS), Arkansas has 662 active community water systems in this extract. PlainEnviro's health-based slice lists 5,952 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 662 community water systems in Arkansas. Source: EPA Safe Drinking Water Information System (SDWIS).
Water Systems with Most Health-Based Records
| # | Water System | Health-Based Records | Health |
|---|---|---|---|
| 1 | LEE COUNTY WATER ASSOCIATION Marianna | 205 | Yes |
| 2 | MORO WATERWORKS Moro | 161 | Yes |
| 3 | MILLTOWN-WASHBURN WATER USERS Greenwood | 125 | Yes |
| 4 | MOUNT IDA WATERWORKS Mount Ida | 116 | Yes |
| 5 | ODEN-PENCIL BLUFF WATER ASSN Oden | 108 | Yes |
| 6 | HOSANNA HEIGHTS WATER Mammoth Spring | 98 | Yes |
| 7 | MONTGOMERY CO REGIONAL PWA Mount Ida | 95 | Yes |
| 8 | LEISURE HILLS MOBILE HOME PARK Siloam Springs | 90 | Yes |
| 9 | DANVILLE WATERWORKS Danville | 85 | Yes |
| 10 | BODCAW RURAL WATER SYSTEM Rosston | 83 | Yes |
| 11 | LAKESIDE WATER ASSOCIATION Waldo | 78 | Yes |
| 12 | NEW LONDON WATER ASSOCIATION Strong | 76 | Yes |
| 13 | HUMPHREY WATERWORKS Humphrey | 73 | Yes |
| 14 | PICKENS WATERWORKS Pickens | 73 | Yes |
| 15 | MORNING STAR PUBLIC WATER AUTHORITY Marshall | 71 | Yes |
| 16 | PANGBURN WATERWORKS Pangburn | 69 | Yes |
| 17 | NASHVILLE RURAL WATER AUTHORITY Nashville | 68 | Yes |
| 18 | CAVE SPRINGS WATERWORKS Cave Springs | 65 | Yes |
| 19 | GUION WATER DEPARTMENT Pleasant Grove | 64 | Yes |
| 20 | COMPTON WATERWORKS Compton | 63 | Yes |
| 21 | DEER RUN WATER COMPANY Batesville | 63 | Yes |
| 22 | FOUKE WATERWORKS Fouke | 61 | Yes |
| 23 | WILMOT WATERWORKS Wilmot | 60 | Yes |
| 24 | SOUTHWEST ARKANSAS WATER SYSTEM Hope | 60 | Yes |
| 25 | TRI COUNTY RWDD -MOORES CHAPEL Russellville | 56 | Yes |
| 26 | HACKETT WATERWORKS Hackett | 55 | Yes |
| 27 | BLUE MOUNTAIN WATERWORKS Blue Mountain | 52 | Yes |
| 28 | WALNUT HILL WATER ASSOCIATION Bradley | 50 | Yes |
| 29 | EAST MONROE COUNTY WATER USERS Brinkley | 46 | Yes |
| 30 | WASHINGTON WATER AUTHORITY WWA Farmington | 44 | Yes |
| 31 | CHICOT JUNCTION WATER ASSOC Lake Village | 44 | Yes |
| 32 | LITTLE RIVER CO RDA Foreman | 44 | Yes |
| 33 | NORMAN WATERWORKS Norman | 43 | Yes |
| 34 | OZAN CREEK WATER SYSTEM Blevins | 43 | Yes |
| 35 | MONTROSE BOYDELL WATER SYSTEM Montrose | 42 | Yes |
| 36 | HELENA WATER SEWER Helena | 42 | Yes |
| 37 | GRAND PRAIRIE REGIONAL WATER Stuttgart | 42 | Yes |
| 38 | DIAMOND CITY WATER Diamond City | 40 | Yes |
| 39 | JOINER RURAL WATER Joiner | 40 | Yes |
| 40 | DES ARC WATERWORKS Des Arc | 40 | Yes |
| 41 | HORATIO WATERWORKS Horatio | 40 | Yes |
| 42 | HWY 4 24 WATER ASSOCIATION Camden | 40 | Yes |
| 43 | HARTFORD WATERWORKS Hartford | 39 | Yes |
| 44 | DEER WATER ASSOCIATION Deer | 35 | Yes |
| 45 | SWIFTON WATERWORKS Swifton | 34 | Yes |
| 46 | MANSFIELD WATERWORKS Mansfield | 34 | Yes |
| 47 | CENTRAL ARKANSAS WATER PARON Little Rock | 34 | Yes |
| 48 | HARMONY WATER ASSOCIATION El Dorado | 33 | Yes |
| 49 | ARKANSAS CITY WATERWORKS Arkansas City | 32 | Yes |
| 50 | CLARENDON WATERWORKS Clarendon | 32 | Yes |
Most Common Contaminants in Arkansas
| Contaminant | Violations | Systems Affected |
|---|---|---|
| TTHM | 2,415 | 99 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | 1,632 | 125 |
| Coliform (TCR) | 910 | 184 |
| Surface Water Treatment Rule | 312 | 29 |
| Total Haloacetic Acids (HAA5) | 252 | 27 |
| Revised Total Coliform Rule | 101 | 28 |
| Interim Enhanced Surface Water Treatment Rule | 75 | 17 |
| Lead and Copper Rule | 71 | 39 |
| Groundwater Rule | 54 | 7 |
| Fluoride | 48 | 1 |
| CARBON, TOTAL | 26 | 4 |
| Combined Radium (-226 and -228) | 19 | 2 |
| Long Term 2 Enhanced Surface Water Treatment Rule | 19 | 7 |
| Asbestos | 6 | 1 |
| Arsenic | 5 | 2 |
Cities with Water Quality Issues
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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 Arkansas are included.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.