North Carolina public water systems
5,325 active systems regulated under the Safe Drinking Water Act, serving a reported 9.9M people across 210 counties.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
5,325
Population served
9.9M
Community systems
2,034
Groundwater share
89%
System types in North Carolina
2,034
Community water system
315
Non-transient non-community water system
2,976
Transient non-community water system
Largest water systems in North Carolina
| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Charlotte Water | Mecklenburg | 1,163,701 | Community | Surface water |
| 2 | Raleigh, City of | Wake | 640,000 | Community | Surface water |
| 3 | Winston-Salem, City of | Forsyth | 388,060 | Community | Surface water |
| 4 | Durham, City of | Durham | 322,083 | Community | Surface water |
| 5 | Greensboro, City of | Guilford | 319,588 | Community | Surface water |
| 6 | Cary, Town of | Wake | 224,000 | Community | Surface water |
| 7 | Fayetteville Public Works Comm | Cumberland | 215,590 | Community | Surface water |
| 8 | Cfpua-Wilmington | New Hanover | 198,740 | Community | Surface water |
| 9 | Union County Water System | Union | 167,554 | Community | Surface water |
| 10 | Asheville City of | Buncombe | 157,431 | Community | Surface water |
| 11 | Onslow Wtr and Sewer Authority | Onslow | 156,755 | Community | Groundwater |
| 12 | Davidson Water Inc. | Davidson | 153,632 | Community | Surface water |
| 13 | Brunswick County Water System | Brunswick | 142,227 | Community | Surface water |
| 14 | Concord, City of | Cabarrus | 120,548 | Community | Surface water |
| 15 | High Point, City of | Guilford | 118,399 | Community | Surface water |
| 16 | Harnett Regional Water | Harnett | 116,892 | Community | Surface water |
| 17 | Greenville Utilities Comm | Pitt | 103,140 | Community | Surface water |
| 18 | Two Rivers Utilities | Gaston | 93,877 | Community | Surface water |
| 19 | Johnston Co-West | Johnston | 92,365 | Community | Surface water |
| 20 | Orange Water & Sewer Authority | Orange | 86,500 | Community | Surface water |
| 21 | Apex, Town of | Wake | 83,001 | Community | Purchased surface water |
| 22 | Hendersonville, City of | Henderson | 79,278 | Community | Surface water |
| 23 | Hickory City of | Catawba | 75,654 | Community | Surface water |
| 24 | Robeson County Water System | Robeson | 67,970 | Community | Groundwater |
| 25 | Old North Utilities Services/Ft Bragg | Cumberland | 65,000 | Community | Purchased surface water |
By county
Wake439 systemsGaston251 systemsGuilford205 systemsRowan194 systemsCatawba148 systemsIredell123 systemsSurry115 systemsTransylvania115 systemsJackson113 systemsBuncombe106 systemsHenderson106 systemsAlamance101 systemsWatauga97 systemsRandolph97 systemsMcDowell95 systemsRockingham92 systemsWilkes89 systemsCumberland89 systemsMacon78 systemsCarteret77 systemsFranklin76 systemsYadkin74 systemsAvery69 systemsCabarrus68 systemsNew Hanover67 systemsOrange67 systemsColumbus65 systemsMoore65 systemsMecklenburg62 systemsLincoln61 systemsRutherford60 systemsHaywood59 systemsSwain56 systemsPender55 systemsNash54 systemsJohnston54 systemsBurke52 systemsSampson51 systemsGranville51 systemsMadison50 systemsDurham50 systemsStokes48 systemsPerson46 systemsChatham45 systemsUnion42 systemsGraham37 systemsVance35 systemsAshe35 systemsCaswell33 systemsCaldwell30 systemsStanly29 systemsClay28 systemsBrunswick27 systemsPolk27 systemsWilson26 systemsYancey26 systemsBladen25 systemsMitchell25 systemsAlexander25 systemsAlleghany21 systemsMartin21 systemsOnslow20 systemsDuplin20 systemsMontgomery20 systemsForsyth19 systemsWarren18 systemsBenton18 systemsScotland18 systemsHoke18 systemsCherokee17 systemsCurrituck17 systemsWashington17 systemsNorthampton15 systemsPitt15 systemsCraven15 systemsDare15 systemsCook15 systemsBeaufort14 systemsRobeson13 systemsHalifax13 systemsWill13 systemsWayne12 systemsGreene10 systemsCleveland10 systemsEdgecombe9 systemsLee9 systemsPulaski9 systemsLenoir9 systemsHarnett9 systemsRichmond9 systemsAnson8 systemsDavidson8 systemsHertford8 systemsBertie7 systemsMcHenry7 systemsButler7 systemsSebastian6 systemsDavie6 systemsCarroll6 systemsKane6 systemsBeaver6 systemsGarland5 systemsJefferson5 systemsLaSalle5 systemsWhite4 systemsCraighead4 systemsPerquimans4 systemsPasquotank4 systemsDuPage4 systemsSangamon4 systemsPope3 systemsFaulkner3 systemsAugusta3 systemsFloyd3 systemsCrawford3 systemsPamlico3 systemsTyrrell3 systemsSaline3 systemsJones3 systemsWinnebago3 systemsHyde3 systemsPittsylvania3 systemsGenesee3 systems
Mississippi2 systems
Hempstead2 systems
Crittenden2 systems
Lonoke2 systems
Logan2 systems
Bedford2 systems
Amherst2 systems
Boone2 systems
Baxter2 systems
Licking2 systems
Chowan2 systems
St. Louis2 systems
Rock Island2 systems
Vermilion2 systems
Adams2 systems
Kankakee2 systems
Livingston2 systems
York2 systems
Caroline2 systems
Gates2 systems
Spotsylvania2 systems
Campbell2 systems
Harris2 systems
Conway1 systems
Clark1 systems
Drew1 systems
Colleton1 systems
Giles1 systems
Rockbridge1 systems
Ashley1 systems
Marion1 systems
Hot Spring1 systems
Stone1 systems
Yell1 systems
Grant1 systems
Ouachita1 systems
Little River1 systems
Sharp1 systems
Cleburne1 systems
Independence1 systems
Van Buren1 systems
Miller1 systems
Johnson1 systems
Sevier1 systems
Howard1 systems
Cross1 systems
Arkansas1 systems
Phillips1 systems
Perry1 systems
Pickaway1 systems
Camden1 systems
Richland1 systems
Edgar1 systems
Christian1 systems
Fayette1 systems
Champaign1 systems
Williamson1 systems
Henry1 systems
DeKalb1 systems
Grundy1 systems
Jersey1 systems
Bureau1 systems
Peoria1 systems
Ogle1 systems
Macoupin1 systems
Chester1 systems
Clinton1 systems
Shelby1 systems
St. Clair1 systems
Knox1 systems
Roanoke1 systems
Lebanon1 systems
Ascension Parish1 systems
Monroe1 systems
Gillespie1 systems
Dorchester1 systems
Worcester1 systems
Grayson1 systems
Loudoun1 systems
Louisa1 systems
Westmoreland1 systems
Mercer1 systems
Fannin1 systems
Bandera1 systems
Portage1 systems
Dinwiddie1 systems
Smith1 systems