Kentucky Water Quality
According to EPA Safe Drinking Water Information System (SDWIS), Kentucky has 375 active community water systems in this extract. PlainEnviro's health-based slice lists 1,864 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 375 community water systems in Kentucky. Source: EPA Safe Drinking Water Information System (SDWIS).
Water Systems with Most Health-Based Records
| # | Water System | Health-Based Records | Health |
|---|---|---|---|
| 1 | PROVIDENCE WATER WORKS Providence | 132 | Yes |
| 2 | MOUNTAIN WATER DIST Pikeville | 80 | Yes |
| 3 | UNION COUNTY WATER DISTRICT Morganfield | 58 | Yes |
| 4 | SMITHLAND WATER & SEWER Smithland | 53 | Yes |
| 5 | EDMONSON CO WATER DISTRICT Brownsville | 50 | Yes |
| 6 | MARTIN WATER DEPARTMENT Martin | 49 | Yes |
| 7 | MARTIN CO WATER DISTRICT #1 Inez | 49 | Yes |
| 8 | REID VILLAGE WATER DISTRICT Mt Sterling | 46 | Yes |
| 9 | SOUTHERN WATER & SEWER DISTRICT Mcdoqwell | 41 | Yes |
| 10 | HANSON WATER SYSTEM Hanson | 41 | Yes |
| 11 | UNIONTOWN WATER & SEWER DEPT Uniontown | 35 | Yes |
| 12 | BIG SANDY WATER DISTRICT Catlettsburg | 33 | Yes |
| 13 | LEWISBURG WATER WORKS Lewisburg | 33 | Yes |
| 14 | CALHOUN WATER WORKS Calhoun | 33 | Yes |
| 15 | JENKINS WATER SYSTEM Jenkins | 31 | Yes |
| 16 | NEW HAVEN MUNICIPAL WATER WORKS Hodgenville | 26 | Yes |
| 17 | STURGIS WATER WORKS Sturgis | 26 | Yes |
| 18 | ALBANY WATER WORKS Albany | 24 | Yes |
| 19 | DRAKESBORO WATER DEPARTMENT Drakesboro | 24 | Yes |
| 20 | JESSAMINE S ELKHORN WATER DIST Nicholasville | 23 | Yes |
| 21 | LYON COUNTY WATER DISTRICT Kuttawa | 22 | Yes |
| 22 | JACKSON MUNICIPAL WATER WORKS Jackson | 21 | Yes |
| 23 | WHITLEY CO WATER DISTRICT Williamsburg | 21 | Yes |
| 24 | NEBO WATER DISTRICT Nebo | 19 | Yes |
| 25 | CLAY WATER WORKS Clay | 19 | Yes |
| 26 | SHARPSBURG WATER DISTRICT Sharpsburg | 18 | Yes |
| 27 | PARIS WATER WORKS Paris | 18 | Yes |
| 28 | GREENUP WATER SYSTEM Greenup | 18 | Yes |
| 29 | PIKEVILLE WATER DEPARTMENT Pikeville | 17 | Yes |
| 30 | CUMBERLAND FALLS HIGHWAY WATER DISTRICT Corbin | 17 | Yes |
| 31 | CAMPTON WATER SYSTEM Campton | 17 | Yes |
| 32 | NORTH HOPKINS WATER DISTRICT Madisonville | 15 | Yes |
| 33 | JESSAMINE CO WATER DISTRICT #1 Nicholasville | 15 | Yes |
| 34 | TOMPKINSVILLE WATER WORKS Tompkinsville | 15 | Yes |
| 35 | NICHOLAS CO WATER DISTRICT Calisle | 14 | Yes |
| 36 | ASHLAND WATER WORKS Ashland | 13 | Yes |
| 37 | MCKINNEY WATER DISTRICT Mckinney | 13 | Yes |
| 38 | MUHLENBERG CO WATER DISTRICT Greenville | 13 | Yes |
| 39 | CUMBERLAND CO WATER DISTRICT Burkesville | 12 | Yes |
| 40 | FLATWOODS WATER COMPANY Flatwoods | 12 | Yes |
| 41 | WURTLAND WATER DEPARTMENT Wurtland | 12 | Yes |
| 42 | RATTLESNAKE RIDGE WATER DISTRICT Grayson | 11 | Yes |
| 43 | CORINTH WATER DISTRICT Corinth | 11 | Yes |
| 44 | GREEN TAYLOR WATER DISTRICT Grennsburg | 11 | Yes |
| 45 | LARUE COUNTY WATER DISTRICT #1 Hodgenville | 11 | Yes |
| 46 | MT STERLING WATER WORKS Mt Sterling | 11 | Yes |
| 47 | HARTFORD MUNICIPAL WATER WORKS Hartford | 11 | Yes |
| 48 | VILLAGE OF BUCKHORN Buckhorn | 11 | Yes |
| 49 | BATH COUNTY WATER DISTRICT Salt Lick | 10 | Yes |
| 50 | DRY RIDGE WATER WORKS COMMISSION Dry Ridge | 10 | Yes |
Most Common Contaminants in Kentucky
| Contaminant | Violations | Systems Affected |
|---|---|---|
| TTHM | 844 | 77 |
| Total Haloacetic Acids (HAA5) | 794 | 113 |
| Interim Enhanced Surface Water Treatment Rule | 78 | 18 |
| Revised Total Coliform Rule | 45 | 30 |
| Long Term 2 Enhanced Surface Water Treatment Rule | 37 | 1 |
| CARBON, TOTAL | 31 | 10 |
| LEAD AND COPPER RULE REVISIONS | 13 | 12 |
| Coliform (TCR) | 10 | 9 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | 5 | 4 |
| Groundwater Rule | 4 | 3 |
| Nitrate | 2 | 1 |
| Nitrate-Nitrite | 1 | 1 |
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 Kentucky are included.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.