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

Wastewater treatment plants in United States · Pennsylvania

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840 inventory records · HydroWASTE v1.0 / United States

Data years: 2012. The inventory date does not establish current operation.

840 results

CompareNameNative sizeYear
ALCOSAN STP ALLEGHENY COUNTYHW:367091,865,470 population served2012
PHILADELPHIA WATER DEPT SWHW:362531,291,651 population served2012
PHILADELPHIA WATER DEPT NEHW:362521,257,517 population served2012
PHILADELPHIA WATER DEPT SEHW:36254313,824 population served2012
WYOMING VALLEY SAN AUTHHW:36436216,923 population served2012
LOWER BUCKS CO JMA LEVITTOWNHW:36278199,498 population served2012
ALLENTOWN CITY STPHW:36294181,767 population served2012
ERIE CITY STPHW:36882181,206 population served2012
BETHLEHEM CITY STPHW:36307160,604 population served2012
DELCORA CHESTER STPHW:36248135,976 population served2012
LANCASTER CITY STPHW:36342127,446 population served2012
EASTON AREA STPHW:36380118,292 population served2012
JOHNSTOWN CITY STPHW:36591117,317 population served2012
HARRISBURG AUTHORITY STPHW:36292114,641 population served2012
READING AREA FRITZ ISLAND STPHW:36329112,212 population served2012
SCRANTON SEWER AUTHORITYHW:3641491,638 population served2012
UPPER MORELAND HATBORO JNT SEWHW:3621685,617 population served2012
LPVRSA OAKS STPHW:3626283,444 population served2012
YORK CITY SEW AUTHHW:3656782,615 population served2012
SWATARA TWP AUTHHW:3636677,063 population served2012
SPRINGETTSBURY TWPHW:3653574,619 population served2012
LOWER LACKAWANNA VLY STPHW:3643869,261 population served2012
VALLEY FORGE SEWER AUTHHW:3620864,451 population served2012
KISKI VALLEY WPCAHW:3674463,064 population served2012
UNIV AREA JA SPRING CREEK STPHW:3661360,132 population served2012
NORRISTOWN MUN WASTE AUTHHW:3627359,281 population served2012
ALTOONA WESTERLY STPHW:3663154,638 population served2012
MCKEESPORT CITY STPHW:3681153,315 population served2012
UNIV AREA JA FOX HILL ROAD EXTHW:3661452,000 population served2012
LRBSA THROOP STPHW:3644549,265 population served2012
LEBANON CITY STPHW:3629647,748 population served2012
UPPER MERION MUN UTIL A TROUT RUNHW:3625747,154 population served2012
UPPER GWYNNED TOWAMENCIN STPHW:3627746,000 population served2012
CHALFONT NEW BRITAIN TWP JSAHW:3621245,619 population served2012
WARMINSTER STPHW:3624445,060 population served2012
DOWNINGTOWN AREA STPHW:3626045,047 population served2012
WILLIAMSPORT CENTRAL STPHW:3660544,835 population served2012
BUTLER AREA STPHW:3682144,165 population served2012
BRUSH CREEK STPHW:3673643,261 population served2012
CHAMBERSBURG BORO STPHW:3650041,324 population served2012
POTTSTOWN BORO STPHW:3622440,353 population served2012
NEW CASTLE STPHW:3690140,102 population served2012
ABINGTON TWP STP and CSHW:3623638,838 population served2012
HAMPDEN TWP ROTH LANE STPHW:3652938,285 population served2012
SWDCMA BALDWIN RUN STPHW:3627538,244 population served2012
E NORR PLYM WHIT STPHW:3626336,916 population served2012
NEW KENSINGTON STPHW:3671134,742 population served2012
WASHINGTON E WASH STPHW:3670634,338 population served2012
EPHRATA BORO STPHW:3637233,863 population served2012
UPPER ALLEGHENY JSA STPHW:3671533,406 population served2012
WEST GOSHEN STPHW:3621731,450 population served2012
HATFIELD TWP STPHW:3623030,605 population served2012
GREATER HAZELTON STPHW:3642130,576 population served2012
ALTOONA EASTERLY STPHW:3663029,994 population served2012
AMBLER BORO STPHW:3624029,939 population served2012
LOCK HAVEN CITY STPHW:3661529,859 population served2012
UNIONTOWN STPHW:3674229,573 population served2012
LRBSA ARCHBALD STPHW:3644429,437 population served2012
DERRY TWP CLEARWATER STPHW:3635229,213 population served2012
FRANKLIN TWP MURRYSVILLE STPHW:3675629,129 population served2012
SHARON CITY STPHW:3690829,090 population served2012
CANONSBURG HOUSTON JOINT AUTHHW:3669727,662 population served2012
MOUNTAINTOP LUZERNE STPHW:3642027,500 population served2012
LANCASTER AREA SEWER AUTH STPHW:3629827,273 population served2012
GREATER GREENSBURG STPHW:3674127,080 population served2012
BRADFORD CITY STPHW:3686526,403 population served2012
GTR POTTSVILLE AREA MAIN STPHW:3633326,183 population served2012
INDIANA BORO STPHW:3671626,000 population served2012
PLUM BORO MA HOLIDAY PK STPHW:3683126,000 population served2012
MORRISVILLE BORO MUN AUTHHW:3622825,764 population served2012
RIVERVIEW SA CORAOPOLIS STPHW:3674625,510 population served2012
SUNBURY STPHW:3659725,425 population served2012
DCNR BALD EAGLE STATE PARK STPHW:3697924,659 population served2012
TYRONE BORO STPHW:3662124,631 population served2012
WEST ALIQUIPPA STPHW:3670524,000 population served2012
LOWER ALLEN TWP STPHW:3654323,541 population served2012
CRANBERRY TWP BRUSH CK STPHW:3684323,351 population served2012
MOON TWP MA FLAUGHERTY RUNHW:3680923,120 population served2012
LATROBE BORO STPHW:3675822,651 population served2012
HEMPFIELD TWP MA NEW STANTON STPHW:3673922,619 population served2012
PLEASANT HILLS STPHW:3680022,511 population served2012
EAST PENNSBORO SOUTH STPHW:3653022,459 population served2012
CARLISLE BORO STPHW:3647722,274 population served2012
EXETER TWP_BERKS COUNTY AUTHHW:3631121,812 population served2012
FRANKLIN CITY STPHW:3686421,634 population served2012
MON VALLEY STPHW:3676021,600 population served2012
BEAVER FALLS CITY STPHW:3672721,262 population served2012
MEADVILLE STPHW:3690021,067 population served2012
BETHEL PARK STPHW:3675720,598 population served2012
DOVER TWP STPHW:3653320,505 population served2012
GROVE CITY BORO STPHW:3691920,044 population served2012
LITITZ BORO STPHW:3632120,029 population served2012
UPPER MERION MATSUNK STPHW:3625820,000 population served2012
BRISTOL TWP AUTH STP and CSHW:3628320,000 population served2012
ALLEGHENY VALLEY STPHW:3674019,563 population served2012
CLEARFIELD STPHW:3692119,385 population served2012
HANOVER BORO STPHW:3653619,158 population served2012
CLAIRTON MUN AUTH STPHW:3672018,761 population served2012
WY0MISSING VALLEY STPHW:3634018,660 population served2012
ELLWOOD CITY BORO STPHW:3691818,484 population served2012

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.