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Wastewater Treatment Plants in Pennsylvania

793 facilities · 1,071 MGD combined flow

Below are publicly owned wastewater treatment plants in Pennsylvania tracked by Klarifi, with average flow, treatment technology and NPDES permit details. Click a facility for its full profile. Showing the 200 largest by flow of 793 total — search the full set in the Klarifi platform.

FacilityCityFlow (MGD)
Allegheny Cnty Sani Auth/allegheny CntyPittsburgh178.7
Northeast WPCPPhiladelphia158
Phila Water Dept - SE STPPhiladelphia82.75
Millville Boro WWTPMillville44.35
City Of Allentown Wastewater Treatment PlantAllentown32.53
Delcora-Western Regional Treatment PlantChester31.51
City Of Erie, Pa - Wastewater Treatment PlantErie30.72
Harrisburg Advanced Wastewater Treatment FacilityHarrisburg18.78
Reading STPReading15.46
Springettsbury Wastewater Treatment PlantYork10.24
Gr Hazleton Jt Sew Auth WWTPHazleton7.42
Washington E Washington STPWashington7.1
Oaks WWTP (lower Perkiomen Valley)Oaks6.76
Lower Bucks WWTPLevittown6.7
Chambersburg Boro STPChambersburg6.61
Lebanon City STPLebanon6.57
Upper Allegheny Jt Sani Auth STPCreighton6.2
Lrbsa - Throop PlantThroop6.18
Lower Allen Twp STPNew Cumberland5.93
Butler Area Sewer Authority Wastewater TreatmentButler5.87
Valley Forge Sewer Authority WWTPPhoenixville5.36
Uniontown STPUniontown5.18
Pottstown Wastewater Treatment PlantPottstown5.1
Log College STPWarminster4.96
Dover Twp Water Sys-Admire Booster ClDover4.7
Upper Moreland Hatboro Jt Sew Auth/willow GroveWillow Grove4.68
Williamsport Sanitary Authority - Central PlantWilliamsport4.68
New Stanton WPCPHunker4.53
E Norriton Plymouth /norristownPlymouth Meeting4.5
Norristown Muni STPNorristown4.48
Hanover Boro STPMcsherrystown4.39
Piney Fork STPPittsburgh4.36
Latrobe Mun Auth STPLatrobe4.25
Altoona Easterly STPAltoona4.21
Morrisville Borough STPMorrisville4.11
Clairton Mun Auth STPClairton4.11
Indiana Boro WWTPIndiana4.1
Sharon STPSharon3.84
Swatara Twp STPHummelstown3.6
Kiski Vly Wpca STPLeechburg3.56
West Goshen Township WWTPWest Chester3.43
Pottsville Main STPPottsville3.34
Lititz Boro-Well #5 HouseLititz3.33
Allegheny Valley Joint Sewage AuthorityCheswick3.29
Hampden Twp Roth Lane STPMechanicsburg3.25
Bradford STPBradford3.23
Johnstown Wastewater Treatment PlantJohnstown3.1
Upper Gwynedd-Towamencin Mun ALansdale3.07
Shippensburg STPShippensburg3.06
Brush Creek STPIrwin3.05
Hermitage Muni Auth STPHermitage3.04
Leonard L Nary WWTP @ Montour RunCoraopolis3.01
Carlisle Region Water Pollution Control FacilityCarlisle2.85
Mccandless Twp San Auth - Pine Creek STPGibsonia2.76
Mountaintop Area Joint Sanitary AuthorityMountain Top2.72
Matsunk STPKing Of Prussia2.68
University Area Joint Authority/spring Creek Pollution Control Fac.State College2.62
Lansdale Boro STPLansdale2.59
Upper Gwynedd Twp STPNorth Wales2.57
Abington WWTPAbington2.51
Elizabethtown STPElizabethtown2.48
Upper Merion Twp. Auth-Trout RKing Of Prussia2.46
Plum Creek Wastewater Treatment PlantVerona2.44
Pleasant Hills Auth STPClairton2.39
Sunbury Muni Auth STPSunbury2.37
Ephrata STPEphrata2.35
Meadville Area STPMeadville2.29
Penn Twp STPHanover2.22
Ingleside STPJohnstown2.22
Wyomissing Vly Jt Sa STPReading2.22
Hollidaysburg Regional STPHollidaysburg2.22
Huntingdon STPHuntingdon2.2
Quakertown WWTPQuakertown2.19
Lrbsa Archbald STPJermyn2.13
St Marys Wastewater Treatment PlantSaint Marys2.08
City Of Dubois Sewage Treatment PlantDubois2.03
City Of Lock Haven Water DeptLock Haven2.02
Connellsville STPConnellsville2.01
Phoenixville Boro STPPhoenixville1.98
Williamsport Sanitary Authority - West PlantWilliamsport1.97
East Pennsboro STPCamp Hill1.95
Brodhead Creek Regional Authority WWTPStroudsburg1.89
Wastewater Treatment PlantBellefonte1.87
City Of Beaver Falls STPBeaver Falls1.85
Riverview Sani Auth STPMoon Twp1.84
Danville Boro STPDanville1.81
Milton Wastewater Treatment PlantMilton1.79
Corry City STPCorry1.72
Youghiogheny STPN Huntingdon1.69
Breakneck Creek Regional AuthMars1.62
Abington Regional Wastewater Authority - ChinchillaClarks Summit1.57
New Freedom Boro Auth WWTPNew Freedom1.51
Clearfield Mun Sew Sys STPClearfield1.49
Myerstown STPMyerstown1.48
Susquehanna Water Treatment PlantColumbia1.46
Upper Saucon Twp STPCenter Valley1.45
Bristol Borough WPC PlantBristol1.43
Titusville Municipal Water-Treatment PlantTitusville1.43
West Mifflin - Thompson Run STPWest Mifflin1.43
Grove City Boro STPGrove City1.41
Holiday Park STPPittsburgh1.39
Monongahela STPMonongahela1.37
Northeast Boro STPNorth East1.33
Lewistown STPLewistown1.31
Manheim STPManheim1.29
Ambridge Boro STPAmbridge1.28
Warren City WWTPWarren1.28
Franklin Wastewater Treatment PlantFranklin1.26
Oakmont Boro - WWTPOakmont1.24
New Oxford Municipal Authority WWTPNew Oxford1.22
Eastern Snyder Cnty Regional Auth STPSelinsgrove1.22
Amity Twp WWTPDouglassville1.21
Ephrata Reg 2 STPEphrata1.21
Tamaqua BoroTamaqua1.17
Oil City STPOil City1.17
Spring Twp STPSinking Spring1.16
Coaldale Lansford Summit Hll SewCoaldale1.16
Harvey Avenue STPDoylestown1.14
Berwick Mun AuthBerwick1.13
Flaugherty Run STPMoon Township1.13
Souderton Boro STPSouderton1.12
Conshohocken Boro AuthConshohocken1.11
Punxsutawney Boro STPPunxsutawney1.11
Brush Run WPCPCanonsburg1.11
Concord Twp Central STPGlen Mills1.09
Ridgway Boro STPRidgway1.09
Valley Jt Sew Auth STPAthens1.08
Hartley Twp Muni Auth WWTPLaurelton1.08
Catasaqua Mun Sew AuthCatasauqua1.07
Eureka WWTPNorth Wales1.05
Mt Pleasant Boro STPMount Pleasant1
Bangor Wastewater Treatment PBangor0.99
Mt Joy Boro AuthMount Joy0.99
Vanport Township Municipal AutVanport0.98
Park Creek STPHorsham0.97
Lewisburg Area Jt. Sewer AuthLewisburg0.95
Northeastern York Co. Sew AuthMount Wolf0.95
Birdsboro STPBirdsboro0.95
Nazareth Boro Muni Auth WWTPNazareth0.94
Farrell Mun SewFarrell0.9
Kutztown Borough WWTPKutztown0.89
Pine Creek Muni Auth STPJersey Shore0.87
Mt Carmel Muni Sew Coll Sys & STPMount Carmel0.87
Elkhorn Run STPMonaca0.86
Schuylkill Haven BoroughSchuylkill Haven0.86
Goose Creek Wastewater Treatment PlantWest Chester0.85
Pollock Run WPCPWest Newton0.84
Northampton Boro/ SewNorthampton0.84
Upper Montgomery Joint Authority STPPennsburg0.84
Elizabeth Boro STPElizabeth0.83
Raccoon Creek STPAliquippa0.83
South Middleton Twp Water AuthBoiling Springs0.81
Highspire Boro - STPHighspire0.81
Pine Grove Joint Treatment Authority WWTPPine Grove0.8
New Holland WWTPNew Holland0.8
Pigeon Creek STPCharleroi0.8
Moshannon Valley Jt. Auth.Philipsburg0.79
Wellsboro Muni AuthWellsboro0.79
Saxonburg Area Authority STPRenfrew0.78
Chippewa Township SanitaryBeaver Falls0.76
Shenandoah Mun Sew AuthShenandoah0.76
Tinicum Twp WWTPLester0.76
Dillsburg STPDillsburg0.76
Taylor Run Wastewater Treatment PlantWest Chester0.76
Whitemarsh STPLafayette Hill0.76
Silver Spring Twp STPMechanicsburg0.76
Ctl Wayne Reg AuthHonesdale0.76
Bedford STPBedford0.75
Baden STPBaden0.75
Mifflinburg WWTPMifflinburg0.74
Coudersport Area Mun Auth STPCoudersport0.74
North Middleton Auth STPCarlisle0.74
Robesonia Wernersville STPWernersville0.73
Butler Twp - St Johns STPDrums0.73
Central Carbon Mun. Auth. WWTPLehighton0.73
Upper Dublin WWTPFort Washington0.72
Antrim Twp Mun Auth STPGreencastle0.72
Bucks Cnty Water & Sew Auth/green St STPDoylestown0.71
Annville Twp STPAnnville0.7
Portage Area Sew Auth WWTPPortage0.7
Ebensburg WWTPEbensburg0.69
Waymart Area Auth WWTPWaymart0.68
Mccandless Twp - Longvue #1 STPPittsburgh0.68
Upper Allen Twp STPMechanicsburg0.68
Edinboro Boro WTPEdinboro0.67
Slatington WWTPSlatington0.67
New Brighton STP-Boro San. Auth.New Brighton0.67
Midland Boro STPMidland0.66
Duncansville STPDuncansville0.65
Robinson Twp Muni Auth-Robinson Wat Trt PltPittsburgh0.65
Sewickley BoroSewickley0.65
Buffalo Twp Mun Auth STPSarver0.64
Derry Borough STPDerry0.64
Hamburg Boro STPHamburg0.63
Glassport Boro STPGlassport0.63
Marietta Donegal STPMarietta0.62
Milford-Trumbauersville WWTPSpinnerstown0.61
Brookville Muni AuthBrookville0.61
Frackville Area Mun AuthFrackville0.61
Logan Twp STPAltoona0.6

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