North Carolina Water Quality
Health violation data for 1,965 community water systems in North Carolina. Based on EPA Safe Drinking Water Information System (SDWIS) data.
Water Systems
1,965
Total Violations
2,788
Systems with Violations
50
Cities with Issues
290
Water Systems with Most Violations
| # | Water System | Violations | Health |
|---|---|---|---|
| 1 | CARTHAGE, TOWN OF Carthage | 172 | Yes |
| 2 | ENFIELD WATER SYSTEM Enfield | 86 | Yes |
| 3 | CIRCLE H MHP Aberdeen | 62 | Yes |
| 4 | HAMLET WATER SYSTEM Hamlet | 53 | Yes |
| 5 | PENDER COUNTY UTILITIES Burgaw | 45 | Yes |
| 6 | MONTGOMERY COUNTY WATER SYSTEM Mt Gilead | 40 | Yes |
| 7 | HENDERSON-KERR LAKE REG WTR Henderson | 39 | Yes |
| 8 | SOUTH GRANVILLE WTR&SEWER AUTHORITY Butner | 36 | Yes |
| 9 | EDGECOMBE WATER & SEWER DISTRICT Tarboro | 36 | Yes |
| 10 | MOUNT PLEASANT, TOWN OF Mt. Pleasant | 33 | Yes |
| 11 | LEXINGTON, CITY OF Lexington | 30 | Yes |
| 12 | ROCKINGHAM CO - 220 CORRIDOR Wentworth | 30 | Yes |
| 13 | STANLY CO-PINEY POINT DIST Albemarle | 27 | Yes |
| 14 | RAMSEUR, TOWN OF Ramseur | 27 | Yes |
| 15 | BESSEMER CITY, CITY OF Bessemer City | 26 | Yes |
| 16 | DALLAS, TOWN OF Dallas | 26 | Yes |
| 17 | MICRO, TOWN OF (COUNTY LINE) Micro | 26 | Yes |
| 18 | FRANKLINTON, TOWN OF Youngsville | 25 | Yes |
| 19 | KNIGHTDALE MHP ESTATES LLC Knightdale | 25 | Yes |
| 20 | EDENTON, TOWN OF Edenton | 25 | Yes |
| 21 | FOUR OAKS, TOWN OF Four Oaks | 24 | Yes |
| 22 | TOPSAIL BEACH, TOWN OF Topsail Beach | 22 | Yes |
| 23 | RICHMOND COUNTY WATER SYSTEM Rockingham | 21 | Yes |
| 24 | STANFIELD #3-POLK FORD/RENEE FORD Stanfield | 21 | Yes |
| 25 | KENLY, TOWN OF Kenly | 20 | Yes |
| 26 | ELM CITY, TOWN OF Elm City | 20 | Yes |
| 27 | SOUTHGATE MHP Jacksonville | 19 | Yes |
| 28 | SOUTHERN TRACE S/D Chapel Hill | 19 | Yes |
| 29 | YANCEYVILLE, TOWN OF Yanceyville | 18 | Yes |
| 30 | ECHOTA S/D Charlotte | 18 | Yes |
| 31 | WOODRUN S/D Charlotte | 16 | Yes |
| 32 | MAXTON, TOWN OF Maxton | 16 | Yes |
| 33 | AURORA WATER SYSTEM Aurora | 16 | Yes |
| 34 | MEADOW GLEN S/D Charlotte | 16 | Yes |
| 35 | OAK HILLS MOBILE HOME PARK Durham | 16 | Yes |
| 36 | ROCKINGHAM COUNTY 158 CORRIDOR Wentworth | 15 | Yes |
| 37 | MAPLE HILL WATER DISTRICT Burgaw | 15 | Yes |
| 38 | JONESVILLE, TOWN OF Jonesville | 14 | Yes |
| 39 | YADKIN CO WATER - HWY 21 Yadkinville | 14 | Yes |
| 40 | WALMAR MANOR MHP Banner Elk | 14 | Yes |
| 41 | JEFFERSON, TOWN OF Jefferson | 13 | Yes |
| 42 | RAINTREE MHP Parkton | 13 | Yes |
| 43 | BASS MH COURT Nashville | 13 | Yes |
| 44 | ROCKBRIDGE S/D Chapel Hill | 13 | Yes |
| 45 | COVENTRY TERRACE Banner Elk | 13 | Yes |
| 46 | HARSHBARGER MHP Durham | 13 | Yes |
| 47 | ROBBINS WATER SYSTEM Robbins | 12 | Yes |
| 48 | AMBER ACRES NORTH S/D Charlotte | 12 | Yes |
| 49 | BRANDYWINE BAY Charlotte | 12 | Yes |
| 50 | THE CAPE MASTER SYSTEM Cary | 12 | Yes |
Most Common Contaminants in North Carolina
| Contaminant | Violations | Systems Affected |
|---|---|---|
| Total Trihalomethanes (TTHM) | 822 | 89 |
| Combined Radium 226/228 | 514 | 276 |
| Haloacetic Acids (HAA5) | 506 | 50 |
| Gross Alpha | 325 | 298 |
| Lead & Copper Rule | 139 | 15 |
| Fluoride | 69 | 11 |
| Chloroform | 65 | 8 |
| Lead (Action Level) | 58 | 7 |
| E. coli | 53 | 23 |
| Turbidity | 53 | 15 |
| Copper | 43 | 8 |
| Barium | 36 | 3 |
| Nitrate | 16 | 4 |
| Contaminant 2983 | 12 | 1 |
| Contaminant 2982 | 12 | 1 |
Cities with Water Quality Issues
Cleveland Clemmons Dobson Madison Mayodan Mocksville Walnut Cove Lexington Asheboro Biscoe Burlington Candor Climax Ramseur Greensboro Elon Graham High Point Archdale Eden Liberty Mebane Mount Gilead Randleman Reidsville Sanford Siler City Troy Yanceyville Angier Butner Cary Carrboro Clayton Four Oaks Garner Goldsboro Henderson Kenly Lillington +250 more
Explore More
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 North Carolina are included.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.