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AquaCensus

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

The largest active public water systems in North Carolina by population served
#Water systemCountyPopulation servedTypeSource
1Charlotte WaterMecklenburg1,163,701CommunitySurface water
2Raleigh, City ofWake640,000CommunitySurface water
3Winston-Salem, City ofForsyth388,060CommunitySurface water
4Durham, City ofDurham322,083CommunitySurface water
5Greensboro, City ofGuilford319,588CommunitySurface water
6Cary, Town ofWake224,000CommunitySurface water
7Fayetteville Public Works CommCumberland215,590CommunitySurface water
8Cfpua-WilmingtonNew Hanover198,740CommunitySurface water
9Union County Water SystemUnion167,554CommunitySurface water
10Asheville City ofBuncombe157,431CommunitySurface water
11Onslow Wtr and Sewer AuthorityOnslow156,755CommunityGroundwater
12Davidson Water Inc.Davidson153,632CommunitySurface water
13Brunswick County Water SystemBrunswick142,227CommunitySurface water
14Concord, City ofCabarrus120,548CommunitySurface water
15High Point, City ofGuilford118,399CommunitySurface water
16Harnett Regional WaterHarnett116,892CommunitySurface water
17Greenville Utilities CommPitt103,140CommunitySurface water
18Two Rivers UtilitiesGaston93,877CommunitySurface water
19Johnston Co-WestJohnston92,365CommunitySurface water
20Orange Water & Sewer AuthorityOrange86,500CommunitySurface water
21Apex, Town ofWake83,001CommunityPurchased surface water
22Hendersonville, City ofHenderson79,278CommunitySurface water
23Hickory City ofCatawba75,654CommunitySurface water
24Robeson County Water SystemRobeson67,970CommunityGroundwater
25Old North Utilities Services/Ft BraggCumberland65,000CommunityPurchased surface water

By county

Wake439 systemsGaston251 systemsGuilford205 systemsRowan194 systemsCatawba148 systemsIredell123 systemsTransylvania115 systemsSurry115 systemsJackson113 systemsBuncombe106 systemsHenderson106 systemsAlamance101 systemsRandolph97 systemsWatauga97 systemsMcDowell95 systemsRockingham92 systemsWilkes89 systemsCumberland89 systemsMacon78 systemsCarteret77 systemsFranklin76 systemsYadkin74 systemsAvery69 systemsCabarrus68 systemsOrange67 systemsNew Hanover67 systemsMoore65 systemsColumbus65 systemsMecklenburg62 systemsLincoln61 systemsRutherford60 systemsHaywood59 systemsSwain56 systemsPender55 systemsJohnston54 systemsNash54 systemsBurke52 systemsGranville51 systemsSampson51 systemsMadison50 systemsDurham50 systemsStokes48 systemsPerson46 systemsChatham45 systemsUnion42 systemsGraham37 systemsAshe35 systemsVance35 systemsCaswell33 systemsCaldwell30 systemsStanly29 systemsClay28 systemsPolk27 systemsBrunswick27 systemsYancey26 systemsWilson26 systemsAlexander25 systemsMitchell25 systemsBladen25 systemsAlleghany21 systemsMartin21 systemsMontgomery20 systemsDuplin20 systemsOnslow20 systemsForsyth19 systemsBenton18 systemsWarren18 systemsHoke18 systemsScotland18 systemsWashington17 systemsCherokee17 systemsCurrituck17 systemsCook15 systemsCraven15 systemsDare15 systemsNorthampton15 systemsPitt15 systemsBeaufort14 systemsWill13 systemsRobeson13 systemsHalifax13 systemsWayne12 systemsGreene10 systemsCleveland10 systemsPulaski9 systemsLee9 systemsHarnett9 systemsRichmond9 systemsEdgecombe9 systemsLenoir9 systemsDavidson8 systemsAnson8 systemsHertford8 systemsMcHenry7 systemsBertie7 systemsButler7 systemsSebastian6 systemsCarroll6 systemsKane6 systemsDavie6 systemsBeaver6 systemsJefferson5 systemsGarland5 systemsLaSalle5 systemsWhite4 systemsCraighead4 systemsSangamon4 systemsDuPage4 systemsPasquotank4 systemsPerquimans4 systemsPope3 systemsCrawford3 systemsFaulkner3 systemsSaline3 systemsWinnebago3 systemsGenesee3 systemsHyde3 systemsJones3 systemsPamlico3 systemsTyrrell3 systemsFloyd3 systemsAugusta3 systemsPittsylvania3 systems
Lonoke2 systems
Mississippi2 systems
Hempstead2 systems
Logan2 systems
Crittenden2 systems
Boone2 systems
Baxter2 systems
Rock Island2 systems
Adams2 systems
Vermilion2 systems
Livingston2 systems
Kankakee2 systems
Caroline2 systems
St. Louis2 systems
Chowan2 systems
Gates2 systems
Licking2 systems
York2 systems
Harris2 systems
Bedford2 systems
Amherst2 systems
Campbell2 systems
Spotsylvania2 systems
Howard1 systems
Cross1 systems
Sevier1 systems
Ashley1 systems
Marion1 systems
Hot Spring1 systems
Yell1 systems
Stone1 systems
Grant1 systems
Little River1 systems
Ouachita1 systems
Clark1 systems
Drew1 systems
Conway1 systems
Arkansas1 systems
Phillips1 systems
Sharp1 systems
Cleburne1 systems
Independence1 systems
Van Buren1 systems
Miller1 systems
Johnson1 systems
Fannin1 systems
Henry1 systems
Richland1 systems
Christian1 systems
Edgar1 systems
Bureau1 systems
DeKalb1 systems
Grundy1 systems
Jersey1 systems
Peoria1 systems
Fayette1 systems
St. Clair1 systems
Champaign1 systems
Williamson1 systems
Knox1 systems
Shelby1 systems
Ogle1 systems
Macoupin1 systems
Clinton1 systems
Ascension Parish1 systems
Dorchester1 systems
Worcester1 systems
Camden1 systems
Perry1 systems
Pickaway1 systems
Portage1 systems
Chester1 systems
Monroe1 systems
Westmoreland1 systems
Mercer1 systems
Lebanon1 systems
Colleton1 systems
Bandera1 systems
Gillespie1 systems
Smith1 systems
Giles1 systems
Grayson1 systems
Louisa1 systems
Roanoke1 systems
Rockbridge1 systems
Dinwiddie1 systems
Loudoun1 systems