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AquaCensus

New Jersey public water systems

3,505 active systems regulated under the Safe Drinking Water Act, serving a reported 9.6M people across 61 counties.

Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

3,505

Population served

9.6M

Community systems

582

Groundwater share

95.5%

System types in New Jersey

582

Community water system

639

Non-transient non-community water system

2,284

Transient non-community water system

Largest water systems in New Jersey

The largest active public water systems in New Jersey by population served
#Water systemCountyPopulation servedTypeSource
1Veolia Water New Jersey HackensackBergen792,713CommunitySurface water
2Nj American Water - RaritanUnion615,430CommunitySurface water
3Nj American Water - Coastal NorthMonmouth377,613CommunitySurface water
4Passaic Valley Water CommissionPassaic310,483CommunitySurface water
5Newark Water DepartmentEssex294,274CommunitySurface water
6Nj American Water - WesternBurlington274,291CommunitySurface water
7Jersey City MuaHudson262,000CommunitySurface water
8Middlesex Water CompanyMiddlesex233,376CommunitySurface water
9Wildwood City Water DepartmentCape May218,472CommunityGroundwater
10Nj American Water - Short HillsUnion217,230CommunitySurface water
11Trenton Water WorksMercer217,000CommunitySurface water
12Atlantic City MuaAtlantic152,415CommunitySurface water
13Nj American Water - LibertyUnion134,000CommunityPurchased surface water
14Nj American Water - Ocean CityCape May127,000CommunityGroundwater
15Veolia Water New Jersey Toms RiverOcean123,184CommunityGroundwater
16Nj American Water - Atlantic CountyAtlantic120,146CommunityGroundwater
17Brick Township MuaOcean86,898CommunitySurface water
18East Orange Water CommissionEssex75,000CommunityGroundwater
19Old Bridge MuaMiddlesex68,000CommunityPurchased surface water
20City of BayonneHudson63,000CommunityPurchased surface water
21Southeast Morris County MuaMorris62,349CommunitySurface water
22Ridgewood WaterBergen61,700CommunityPurchased surface water
23Franklin Township Dept of Public WorksSomerset57,150CommunityPurchased surface water
24New Brunswick W DeptMiddlesex55,000CommunitySurface water
25Township of WaynePassaic55,000CommunityPurchased surface water

By county

Sussex478 systemsMorris302 systemsBurlington293 systemsHunterdon292 systemsMonmouth285 systemsWarren221 systemsOcean212 systemsAtlantic195 systemsGloucester182 systemsCape May165 systemsPassaic149 systemsCumberland128 systemsSalem106 systemsCamden101 systemsMercer97 systemsSomerset92 systemsBergen51 systemsMiddlesex36 systemsEssex24 systemsMonroe15 systemsUnion8 systemsCarbon6 systemsPike6 systemsHudson6 systemsBucks4 systemsBerks3 systems
Harris2 systems
Wyoming2 systems
Crawford2 systems
Dauphin2 systems
Wayne2 systems
Northampton2 systems
Susquehanna2 systems
Chester2 systems
Tioga2 systems
Lancaster2 systems
Luzerne2 systems
Genesee2 systems
Jefferson Davis Parish1 systems
Midland1 systems
Cook1 systems
Waller1 systems
Beaver1 systems
Lawrence1 systems
Lackawanna1 systems
Lebanon1 systems
Schuylkill1 systems
Clearfield1 systems
Lycoming1 systems
Orange1 systems
Carroll1 systems
Mackinac1 systems
El Paso1 systems
Oklahoma1 systems
Kent1 systems
Coryell1 systems
Erie1 systems
Barry1 systems
Manistee1 systems
Randall1 systems
Prince George1 systems