| Wood-Broadtop-Wells STP | Wood | 0.04 |
| Peters Twp Fort Loudon STP | Mercersburg | 0.04 |
| Bratton Twp STP | Mcveytown | 0.04 |
| Plumville STP | Indiana | 0.04 |
| Windyknoll STP | Pittsburgh | 0.04 |
| Mcveytown STP | Mcveytown | 0.04 |
| Ararat Twp WWTP | Thompson | 0.04 |
| Jackson Twp Sew Sys | Millerton | 0.04 |
| Heidelberg Hgts STP | Germansville | 0.04 |
| Montgomery Run Backwash Treatment Fac | Clearfield | 0.04 |
| Lewis Twp WWTP | Millmont | 0.04 |
| Distant STP | Distant | 0.04 |
| Longvue #2 STP | Pittsburgh | 0.04 |
| Kratzer Run Sew Auth WWTP | Grampian | 0.04 |
| Heilwood WWTP | Heilwood | 0.04 |
| Tulpehocken Twp Mt Aetna STP | Mt Aetna | 0.04 |
| Huston Twp Muni Auth Sew Sys STP | Penfield | 0.04 |
| Lower Mahanoy Twp Mun Auth | Dalmatia | 0.04 |
| Lincoln Road STP | Pittsburgh | 0.03 |
| Mapleton Area STP | Mapleton Depot | 0.03 |
| Dry Tavern Sew Auth STP | Jefferson | 0.03 |
| Tulpehocken Twp - Rehrersburg STP | Rehrersburg | 0.03 |
| Albert Gallatin Municipal Authority | Point Marion | 0.03 |
| Pennland Farms-Treatment Building | Perkasie | 0.03 |
| Franklin Fayette Sew Auth WWTF | Smock | 0.03 |
| Perkiomen Crossing STP | Frederick | 0.03 |
| Armagh Sys STP | Armagh | 0.03 |
| Clay Twp - Hopeland STP | Stevens | 0.03 |
| Penns Creek Muni Auth | Penns Creek | 0.03 |
| Wynnewood Terrace | Laurys Station | 0.03 |
| Gregg Township STP | Spring Mills | 0.03 |
| Crystal Run WTP | Primrose | 0.03 |
| Berry Brow WWTP | Chalfont | 0.03 |
| Centre Twp Dauberville STP | Dauberville | 0.03 |
| Connoquenessing Boro STP | Connoquenessing | 0.03 |
| Hamilton Twp Ludlow STP | Ludlow | 0.03 |
| Pawc Pocono District | Tobyhanna | 0.03 |
| Washington Twp Loyalton STP | Elizabethville | 0.03 |
| Big Run Area WWTP | Punxsutawney | 0.03 |
| Confluence Boro STP | Confluence | 0.03 |
| Herndon Borough Jackson Twp Jt Muni Auth WWTP | Herndon | 0.03 |
| Wilmington Twp Sa Orchard Terr | New Castle | 0.03 |
| Portland Borough | Portland | 0.03 |
| York Haven STP | York Haven | 0.03 |
| Mahaffey Boro STP | Mahaffey | 0.03 |
| Rices Landing Boro | Rices Landing | 0.03 |
| Lake Winola Mun Auth | Factoryville | 0.03 |
| Pennsbury Village STP | Pittsburgh | 0.03 |
| Tionesta Boro WWTP | Tionesta | 0.03 |
| Shanksville Boro STP | Shanksville | 0.03 |
| Karthaus-Burnside WWTP | Karthaus | 0.03 |
| Cadogan Twp Sani Sew Sys | Cadogan | 0.03 |
| Ohiopyle Boro Mun Water Works | Ohiopyle | 0.03 |
| Tioga Borough | Tioga | 0.03 |
| Alsace Manor STP | Temple | 0.03 |
| Manns Choice Harrison Twp STP | Manns Choice | 0.03 |
| Sandy Twp STP | Dubois | 0.03 |
| Upper Tulpehocken Twp WWTP | Strausstown | 0.02 |
| Monroe Valley/camp Strauss STP | Jonestown | 0.02 |
| Liberty Area Muni Auth | Liberty | 0.02 |
| New Centerville Boro STP | Rockwood | 0.02 |
| Centerport STP | Mohrsville | 0.02 |
| Jackson Center Boro STP | Jackson Center | 0.02 |
| E St Clair Twp Stone Cr STP | Fishertown | 0.02 |
| St Clair WWTP | St Clair | 0.02 |
| Crucible WPCF | Carmichaels | 0.02 |
| Clintonville Sew Auth | Clintonville | 0.02 |
| Blacklegs STP | Saltsburg | 0.02 |
| Grassflat Sew Sys | Grassflat | 0.02 |
| S Londonderry Colebrook STP | Colebrook | 0.02 |
| Village Of Numidia Sew Sys | Catawissa | 0.02 |
| Bradys Bend STP | East Brady | 0.02 |
| Metal Twp Muni Auth - Fannettsburg STP | Fannettsburg | 0.02 |
| Petersburg STP | Petersburg | 0.02 |
| Blyth Twp. Mun Aut WTP STP | New Philadelphia | 0.02 |
| Bruin Boro Bear Creek Watershed Authority | Bruin | 0.02 |
| Veka Inc | Fombell | 0.02 |
| Mountaintop Moshannon | Moshannon | 0.02 |
| Eagles Mere Boro Auth Sewer Sys And Wwtps | Eagles Mere | 0.02 |
| Elderton STP | Elderton | 0.02 |
| Shippingport Boro STP | Shippingport | 0.02 |
| Harford Twp WWTP | Harford | 0.02 |
| Dogwood Acres Mhp STP | Derry | 0.02 |
| Georgetown Area STP | Quarryville | 0.02 |
| Washington Twp STP | Marble | 0.02 |
| Perry Twp Muni Auth | Mt Pleasant Mills | 0.02 |
| Ashville Boro STP | Ashville | 0.02 |
| Pine Twp STP | Templeton | 0.02 |
| Nelson Twp Auth Sew Plt | Nelson | 0.02 |
| West Pike Run Twp Sewage Plant | Daisytown | 0.02 |
| Loganton Borough Authority | Loganton | 0.02 |
| Eldred Twp WWTP | Grand Valley | 0.02 |
| New Albany Boro Sewerage STP System | New Albany | 0.02 |
| Karns City STP | Karns City | 0.02 |
| Hillsdale STP | Indiana | 0.02 |
| Laurel Lake STP | Brackney | 0.02 |
| Pottsgrove STP | Milton | 0.02 |
| South Versailles STP | Coulters | 0.02 |
| Donegal Twp STP | West Alexander | 0.01 |
| Dublin Twp Ft Littleton STP | Fort Littleton | 0.01 |
| Hazel Hurst WWTP | Hazel Hurst | 0.01 |
| Conoy Twp Falmouth STP | Bainbridge | 0.01 |
| Peters Twp Upton STP | Greencastle | 0.01 |
| Landisburg STP | Landisburg | 0.01 |
| Spartansburg Boro | Spartansburg | 0.01 |
| Berrysburg STP | Berrysburg | 0.01 |
| South Londonderry Twp - Lawn STP | Lawn | 0.01 |
| Eighty Four Ind Park STP | Eighty Four | 0.01 |
| Footedale STP | New Salem | 0.01 |
| Armstrong Co Ind Dev Auth WWTP | Kittanning | 0.01 |
| Centre Twp Kingsgate E STP | Mohrsville | 0.01 |
| West Sunbury Mun Auth | West Sunbury | 0.01 |
| Bear Crk Watershed Auth - Fairview STP | Petrolia | 0.01 |
| St Thomas Twp Edenville STP | Chambersburg | 0.01 |
| Numine WWTP | Numine | 0.01 |
| Meshoppen Boro - WWTP | Meshoppen | 0.01 |
| Todd Twp STP | Mcconnellsburg | 0.01 |
| Iselin STP | Heilwood | 0.01 |
| Leraysville Boro WWTP | Leraysville | 0.01 |
| Centre Twp Ma-Hillcrest Estates STP | Mohrsville | 0.01 |
| Lenhartsville STP | Lenhartsville | 0.01 |
| Robindale Heights STP | Seward | 0.01 |
| Petrolia STP | Petrolia | 0.01 |
| Westover Boro WWTP | Westover | 0.01 |
| Broad Top City STP | Broad Top | 0.01 |
| Shade Gap Area STP | Shade Gap | 0.01 |
| East Waterford STP | East Waterford | 0.01 |
| Glen Hope WWTF | Glen Hope | 0.0098 |
| Hopewell STP | Hopewell | 0.0093 |
| Burnside Borough STP | Burnside | 0.0092 |
| Glen Campbell Boro Scts | Glen Campbell | 0.0092 |
| Village Of 42 STP | Windber | 0.009 |
| West Carroll W Auth Bakerton | Elmora | 0.0088 |
| Hampshire Estates STP | Russellton | 0.0085 |
| Pulaski Twp STP | Pulaski | 0.0085 |
| Clymer Twp Muni Auth | Sabinsville | 0.0083 |
| Davidson Twp Sewer Auth | Sonestown | 0.008 |
| Volant Borough Water Dept-Volant H2o Plnt | Volant | 0.008 |
| Madison Twp Muni Auth Jerseytown Sew Sys STP | Jerseytown | 0.0076 |
| East Salem Sewer Auth | East Salem | 0.0073 |
| Penn Twp Kinkora STP | Duncannon | 0.007 |
| Reeve Tract WWTP | Newtown | 0.007 |
| Penn Run STP | Indiana | 0.0065 |
| Marklesburg STP | James Creek | 0.0063 |
| Salisbury Twp Rosehill STP | Narvon | 0.0059 |
| I 70 Ind Prk STP | Smithton | 0.0059 |
| New Morgan Boro WWTF | Morgantown | 0.0058 |
| Monroe Twp STP | Clarion | 0.0057 |
| Bens Creek WTP | Portage | 0.0056 |
| Bethel Township STP | Warfordsburg | 0.0055 |
| Keats Glen STP | Downingtown | 0.0055 |
| Quaker Lake WWTP | Brackney | 0.0053 |
| Cherry Tree WTP | Cherry Tree | 0.0053 |
| Hartleton Borough | Hartleton | 0.0052 |
| Broad Top Twp Langdondale STP | Hopewell | 0.0051 |
| Two Mile Run Cnty Park-Cottage Basement | Franklin | 0.0051 |
| Burnt Cabins STP | Fort Littleton | 0.0048 |
| Outcrop Village STP | Smithfield | 0.0045 |
| Lakewood STP | Central City | 0.0044 |
| Duncan Twp Village Of Antrim STP | Wellsboro | 0.0043 |
| Tunnelton STP | Clarksburg | 0.0042 |
| Sunnyside STP | Hopewell | 0.0042 |
| Mooresburg Wastewater Treatment Plant | Danville | 0.0041 |
| Nlca Kramer Mill STP | Denver | 0.0039 |
| Richmond Township-Virginville WWTP | Virginville | 0.0039 |
| Farmington Twp STP Warren | Russell | 0.0038 |
| Slabtown Wastewater Treatment Plant | Catawissa | 0.0037 |
| Greenwood Twp Muni Auth Sew Sys STP | Orangeville | 0.0035 |
| Snydertown Boro Sewer Sys | Snydertown | 0.0033 |
| Duman Lake Prk STP | Ebensburg | 0.0032 |
| Orange Twp WWTP | Orangeville | 0.0031 |
| Wyoming County Housing Authority | Meshoppen | 0.0029 |
| Herrick Twp WWTP | Wyalusing | 0.0028 |
| Ridgebury Twp STP | Gillett | 0.0027 |
| Bell Acres Boro STP #3 | Sewickley | 0.0025 |
| Indiana Co Msa Margaret STP | Margaret | 0.0023 |
| Brave STP | Brave | 0.0023 |
| Rogersville STP | Rogersville | 0.0022 |
| Shamokin Twp Municipal Authority | Paxinos | 0.0021 |
| No Lan Co Gehman Sch STP | Denver | 0.0019 |
| Shamokin-Coal Twp Jt Sew Auth | Shamokin | 0.0017 |
| Hopewell Twp Shy Beaver STP | James Creek | 0.0015 |
| St. Andrews Brae STP | Chester Springs | 0.0015 |
| Madison Twp Sftf | Bloomsburg | 0.001 |
| Broad Top Twp Kearney STP | Defiance | 0.00083 |
| Broad Top Twp Hess Mhp STP | Hopewell | 0.0007 |
| Grove Twp Sftf | Sinnamahoning | 0.00055 |
| Clear Creek State Park-Treatment Plant 302 | Sigel | 0.00019 |
| Briar Creek Park STP | Berwick | 0.000078 |
| Fayette City STP | Fayette City | — |
| Mt Pocono Mun Auth | Mount Pocono | — |
| Mtn Shadows Phase I STP | Norvelt | — |
| Warminster Nawc WWTP | Warminster | — |