North Carolina Drinking Water Violations

5,140Water Systems
62,849Total Violations
3,572Health-Based

North Carolina has 5,140 active public water systems regulated under the EPA's Safe Drinking Water Act. Across these systems, there have been 3,572 health-based violations out of 62,849 total violations recorded. Currently, 71 water systems have unresolved health-based violations.

The most frequently cited health-based contaminants in North Carolina are Unknown, Unknown, and Unknown. Health-based violations mean a water system exceeded an EPA maximum contaminant level (MCL) or failed required treatment standards.

Browse the counties below to find specific water systems, or search by address or ZIP code to find your water provider.

Counties

CountyWater SystemsTotal ViolationsHealth-Based
Moore County 65 2,093 289
Wake County 435 5,395 216
Gaston County 252 2,035 114
Halifax County 12 325 108
Johnston County 54 760 106
Pender County 55 523 98
Stanly County 28 422 97
Montgomery County 19 290 96
Watauga County 87 772 94
Rockingham County 89 1,323 91
Guilford County 186 3,218 87
Jackson County 105 1,403 86
Randolph County 92 1,192 83
Richmond County 7 184 79
Franklin County 72 1,431 78
Rowan County 178 1,384 76
Cabarrus County 64 1,029 63
Vance County 35 745 55
Buncombe County 103 1,280 53
Alamance County 99 1,572 51
Macon County 73 817 50
Granville County 51 606 49
Yadkin County 67 585 48
Nash County 54 1,263 47
Stokes County 47 696 47
Edgecombe County 9 199 47
Carteret County 77 572 46
Onslow County 20 923 40
Wilson County 26 552 40
Transylvania County 107 641 39
Madison County 38 356 38
Henderson County 105 756 37
Ashe County 34 452 37
Cumberland County 88 1,111 36
Mcdowell County 96 975 36
Swain County 54 857 36
Avery County 70 382 34
Orange County 67 1,649 33
Chatham County 44 952 33
Davidson County 8 241 32
Caswell County 27 330 31
Iredell County 119 755 26
Chowan County 2 65 26
New Hanover County 67 1,272 25
Surry County 114 1,216 25
Haywood County 57 577 23
Bladen County 25 449 23
Robeson County 13 238 23
Durham County 50 1,418 21
Rutherford County 60 787 21
Union County 42 468 21
Catawba County 147 1,054 19
Warren County 18 264 19
Beaufort County 14 123 18
Wilkes County 85 389 16
Davie County 6 108 16
Cherokee County 17 300 15
Burke County 50 297 15
Yancey County 27 153 15
Cleveland County 10 134 15
Perquimans County 4 63 15
Graham County 37 250 14
Wayne County 11 171 14
Craven County 15 153 14
Anson County 8 436 13
Lee County 8 214 13
Alleghany County 20 171 13
Washington County 7 83 12
Mecklenburg County 58 649 11
Columbus County 63 591 10
Duplin County 20 436 10
Currituck County 17 246 10
Northampton County 15 237 10
Brunswick County 27 225 9
Pitt County 15 214 9
Caldwell County 29 153 9
Clay County 28 345 8
Person County 46 307 8
Polk County 26 282 8
Scotland County 18 217 7
Forsyth County 19 121 6
Lincoln County 61 303 5
Mitchell County 23 189 5
Martin County 21 137 4
Greene County 8 60 4
Sampson County 50 395 3
Hoke County 18 379 3
Dare County 14 90 3
Jones County 3 76 3
Pamlico County 3 43 3
Hertford County 8 157 2
Harnett County 9 78 2
Alexander County 26 93 1
Bertie County 7 37 1
Tyrrell County 3 34 1
Camden County 1 3 1
Lenoir County 9 84 0
Gates County 2 23 0
Pasquotank County 4 11 0
Hyde County 3 5 0