World wastewater treatment plant observatory · data as reported by each inventory

Wastewater treatment plants in United States · New Jersey

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154 inventory records · EPA Clean Watersheds Needs Survey 2022

Data years: 2022. The inventory date does not establish current operation.

154 results

CompareNameNative sizeYear
Harrison Township (Gloucester) - CS/Mullica Hill STPMullica Hill0.8 MGD (million gallons per day)2022
Penns Grove Borough SA - CS/STPPenns Grove0.75 MGD (million gallons per day)2022
Long Hill Township - CS/STPStirling0.65 MGD (million gallons per day)2022
Montgomery Township - Stage II CS/STPRocky Hill0.63 MGD (million gallons per day)2022
Plumsted Township - CS/STPNew Egypt0.6 MGD (million gallons per day)2022
Allamuchy Township MUA - CS/STPGreat Meadows0.6 MGD (million gallons per day)2022
Medford Lakes Borough - CS/STPMedford0.55 MGD (million gallons per day)2022
Mount Olive Township - Clover Hill STP/CSFlanders0.5 MGD (million gallons per day)2022
Washington Township (Morris) MUA - CS/STPWashington0.5 MGD (million gallons per day)2022
Bernardsville Borough - CS/STPBernardsville0.5 MGD (million gallons per day)2022
Woodstown Borough - CS/STPWoodstown0.5 MGD (million gallons per day)2022
Warren County (Pequest River) MUA - CS/STPBelvidere0.5 MGD (million gallons per day)2022
Oxford Township (Oxford WWTF) - CS/STPOxford0.5 MGD (million gallons per day)2022
Warren Township Stage I-II STPWarren0.47 MGD (million gallons per day)2022
Salem County - DuPont STP/CSDeepwater0.46 MGD (million gallons per day)2022
Montgomery Township Pike Brook CS/STPBelle Mead0.45 MGD (million gallons per day)2022
Mendham Borough - CS/STPMendham0.4 MGD (million gallons per day)2022
Buena Borough MUA - CS/STPBuena0.4 MGD (million gallons per day)2022
Milford Borough - CS/STPMilford0.4 MGD (million gallons per day)2022
Warren Township Stage V STPWarren0.38 MGD (million gallons per day)2022
Sparta Township - CS/STPSparta0.38 MGD (million gallons per day)2022
Ringwood Borough - CS/STPRingwood0.36 MGD (million gallons per day)2022
Swedesboro Borough CS/ STPSwedesboro0.35 MGD (million gallons per day)2022
Delaware Township MUA- CS/ISDS/STPSergeantsville0.35 MGD (million gallons per day)2022
Wrightstown Borough MUA - CS/STPWrightstown0.337 MGD (million gallons per day)2022
Stony Brook RSA (Pennington) - STPPennington0.32 MGD (million gallons per day)2022
Stony Brook RSA (Hopewell) - STPHopewell0.3 MGD (million gallons per day)2022
Montgomery Township - Cherry Valley CS/STPSkillman0.251 MGD (million gallons per day)2022
Roosevelt Borough - CS/STPRoosevelt0.25 MGD (million gallons per day)2022
Washington Township MUA (Morris) - Long Valley CS/STPLong Valley0.244 MGD (million gallons per day)2022
Allentown Borough - CS/STPAllentown0.238 MGD (million gallons per day)2022
Riverton Borough - CS/STPRiverton0.22 MGD (million gallons per day)2022
West Milford Township - High View CS/STPWest Milford0.2 MGD (million gallons per day)2022
Sussex County MUA - Paulinskill-Branchville CS/STPAugusta0.2 MGD (million gallons per day)2022
West Milford Township -Olde Milford CS/STPWest Milford0.183 MGD (million gallons per day)2022
Montgomery Township - Oxbridge CS/STPSkillman0.16 MGD (million gallons per day)2022
Woodbine Borough - CS/STPWoodbine0.16 MGD (million gallons per day)2022
West Milford Township - Awosting CS/STPHewitt0.158 MGD (million gallons per day)2022
Montgomery Township - Riverside Farms STPBelle Mead0.15 MGD (million gallons per day)2022
Frenchtown Borough CS/ISDS/STPFrenchtown0.15 MGD (million gallons per day)2022
Jefferson Township - CS/STP (White Rock)Oak Ridge0.13 MGD (million gallons per day)2022
Downe Township - CS/STPNewport0.13 MGD (million gallons per day)2022
West Milford Township - Crescent Pk CS/STPWest Milford0.111 MGD (million gallons per day)2022
Fieldsboro STP & CSBordentown0.1 MGD (million gallons per day)2022
Chester Borough - CS/STPChester0.075 MGD (million gallons per day)2022
Chesterfield Township - CS/STPChesterfield0.051 MGD (million gallons per day)2022
West Milford Township - Birch Hill CS/STPWest Milford0.05 MGD (million gallons per day)2022
Lower Alloways Creek Township CS - STPHancocks Bridge0.05 MGD (million gallons per day)2022
Lower Alloways Creek Township - Hancocks Bridge TPHancocks Bridge0.05 MGD (million gallons per day)2022
Burlington County STP - Sludge MgmtColumbus0.05 MGD (million gallons per day)2022
Sussex County MUA - Hampton Commons CS/STPHampton0.05 MGD (million gallons per day)2022
Hampton Township - Hampton Commons CS/STPHampton0.05 MGD (million gallons per day)2022
Oakland Borough - CS/STPOakland0.035 MGD (million gallons per day)2022
Montgomery Township - Skillman Village STPSkillman0.015 MGD (million gallons per day)2022

Regulatory context

General reference. This is not an exhaustive review of applicable law.

United States: Clean Water Act / NPDES

NPDES regulates pollutant discharges from point sources to waters of the United States. The permit sets limits and monitoring conditions. A CWNS code identifies an inventory record, not an NPDES permit.

  • Permit identifier and permitting authority: EPA or an authorized state.
  • Outfall and receiving water; sewer connections follow a different control route.
  • Current permit conditions, limits and dated measurements; these are not included in CWNS.

References reviewed: 2026-11-06. Individual applicability: undetermined. This profile does not establish authorization or compliance.