Mailing Address:
Pennsylvania State Climatologist503 Walker Building
University Park, PA 16802
| Identifier | Town | Airport | Start Date | End Date |
|---|---|---|---|---|
| KABE | ALLENTOWN | Lehigh Valley International Airport | 1948-02-01 | 2023-10-01 |
| KAFJ | WASHINGTON | Washington Automatic Weather Observing / Reporting System | 0000-00-00 | 2023-10-01 |
| KAGC | PITTSBURGH AGC | Allegheny County Airport | 0000-00-00 | 2023-10-01 |
| KAOO | ALTOONA | Altoona-Blair County Airport | 0000-00-00 | 2023-10-01 |
| KAVP | SCRANTON | Wilkes-Barre / Scranton International Airport | 0000-00-00 | 2023-10-01 |
| KBFD | BRADFORD | Bradford Regional Airport | 0000-00-00 | 2023-10-01 |
| KBTP | BUTLER | Butler County Automatic Weather Observing / Reporting System | 0000-00-00 | 2023-10-01 |
| KBVI | BEAVER FALLS | Beaver Falls Airport | 0000-00-00 | 2023-10-01 |
| KCXY | CAPITAL CITY | Capital City Airport | 0000-00-00 | 2023-10-01 |
| KDUJ | DUBOIS | Du Bois-Jefferson County Airport | 1972-01-01 | 2023-10-01 |
| KDYL | DOYLESTOWN | Doylestown Airport | 1999-01-01 | 2023-10-01 |
| KERI | ERIE | Erie International Airport | 1948-02-02 | 2023-10-01 |
| KFIG | CLEARFIELD | Clearfield-Lawrence Airport | 2001-01-01 | 2023-10-01 |
| KFKL | FRANKLIN | Franklin Automatic Weather Observing / Reporting System | 1968-02-01 | 2023-10-01 |
| KGKJ | MEADVILLE | Port Meadville Airport | 1969-12-31 | 2023-10-01 |
| KIDI | INDIANA | Indiana / Stewart Field | 1997-01-01 | 2023-10-01 |
| KIPT | WILLIAMSPORT | Williamsport-Lycoming County Airport | 1948-01-01 | 2023-10-01 |
| KJST | JOHNSTOWN | Johnstown-Cambria County Airport | 1972-01-01 | 2023-10-01 |
| KLBE | LATROBE | Latrobe / Westmorland | 1996-01-01 | 2023-10-01 |
| KLNS | LANCASTER | Lancaster Airport | 1974-01-01 | 2023-10-01 |
| KLOM | WINGS FIELD APT | Wings Field Airport | 2003-01-01 | 2023-10-01 |
| KMDT | MIDDLETOWN | Harrisburg International Airport | 1948-02-01 | 2023-10-01 |
| KMPO | MOUNT POCONO | Pocono Mountains Municipal Airport | 1999-09-29 | 2023-10-01 |
| KMUI | MUIR ARMY AIR FIELD | Muir Army Air Field / Indiantown | 1996-01-02 | 2023-10-01 |
| KNXX | WILLOW GROVE | Naval Air Station | 1969-12-31 | 2011-03-31 |
| KPHL | PHILADELPHIA | Philadelphia International Airport | 1948-02-01 | 2023-10-01 |
| KPIT | PITTSBURGH | Pittsburgh International Airport | 1952-02-01 | 2023-10-01 |
| KPNE | PHILADELPHIA NE | Northeast Philadelphia Airport | 1996-01-01 | 2023-10-01 |
| KPSU | Rock Springs | Rock Springs Experimental Site | 2002-09-01 | 2008-04-15 |
| KPTW | POTTSTOWN | Pottstown Limerick Airport | 1999-01-01 | 2023-10-01 |
| KRDG | READING | Reading Regional Airport | 1973-01-01 | 2023-10-01 |
| KSEG | SELINSGROVE | Penn Valley Airport | 1997-01-01 | 2023-10-01 |
| KTHV | YORK | York Airport | 2000-01-01 | 2023-10-01 |
| KUKT | QUAKERTOWN ARP | Quakertown Airport | 2003-01-01 | 2023-10-01 |
| KUNV | UNIVERSITY PARK | University Park Airport | 1983-09-28 | 2023-10-01 |
| Identifier | Town | County | Start Date | End Date |
|---|---|---|---|---|
| 360611 | Berwick | Columbia | 1948-05-01 | 1978-12-31 |
| 361105 | Burgettstown 2 W | Washington | 1948-06-01 | 1989-06-30 |
| 363056 | Freeland | Luzerne | 1948-05-01 | 1990-03-31 |
| 363200 | George School | Bucks | 1948-05-01 | 1979-06-30 |
| 363218 | Gettysburg | Adams | 1948-05-01 | 1982-02-28 |
| 364873 | Lawrenceville | Tioga | 0000-00-00 | 0000-00-00 |
| 365817 | MILLVILLE 2 SW | COLUMBIA | 0000-00-00 | 0000-00-00 |
| 368560 | STOYSTOWN | SOMERSET | 0000-00-00 | 0000-00-00 |
| ABE | ALLENTOWN LEHIGH VALLEY INTL | LEHIGH | 1949-01-01 | 2017-05-22 |
| ACEP1 | DONEGAL 2 NW | WESTMORELAND | 1943-09-01 | 2023-09-27 |
| ACMP1 | ACMETONIA LOCK 3 | ALLEGHENY | 1905-03-01 | 2023-10-01 |
| AGC | PITTSBURGH ALLEGHENY CO FAA AP | ALLEGHENY | 1945-07-01 | 2017-05-22 |
| ALOP1 | ALTOONA | BLAIR | 2001-05-01 | 2023-09-24 |
| ALTP1 | ALTOONA 3 W | BLAIR | 1967-10-01 | 2023-08-20 |
| AOO | ALTOONA BLAIR COUNTY AP | BLAIR | 1949-01-01 | 2017-05-22 |
| AVOP1 | AVONDALE | CHESTER | 0000-00-00 | 0000-00-00 |
| BDDP1 | BRADDOCK LOCK 2 | ALLEGHENY | 1943-06-01 | 2023-09-30 |
| BDFP1 | BRADFORD 4 SW RES 5 | MCKEAN | 1934-11-01 | 2023-09-29 |
| BEAP1 | BEAVER FALLS 1 NE | BEAVER | 1908-06-01 | 2023-09-18 |
| BECP1 | BEECH CREEK STATION | CLINTON | 1953-09-01 | 2023-09-30 |
| BEPP1 | BENTON 3 NE | COLUMBIA | 2000-01-01 | 2016-10-12 |
| BERP1 | BERNE RIVER GAGE | BERKS | 1956-11-01 | 1974-04-30 |
| BFD | BRADFORD RGNL AP | McKean | 1958-01-01 | 2017-05-22 |
| BFFP1 | BUFFALO MILLS | BEDFORD | 1924-07-01 | 2012-04-07 |
| BGLP1 | BIGLERVILLE | ADAMS | 1972-02-01 | 2023-09-22 |
| BLNP1 | BLAIN 5SW | PERRY | 1948-05-01 | 1951-09-30 |
| BLRP1 | BLAIRSVILLE 5 E 2 | INDIANA | 1986-07-01 | 1988-09-30 |
| BLSP1 | BLOSERVILLE 1 N | CUMBERLAND | 1912-11-01 | 2007-05-31 |
| BRAP1 | BRADFORD CENTRAL FIRE STN | MCKEAN | 1910-01-01 | 2008-12-31 |
| BRCP1 | BRUCETON 1 S | ALLEGHENY | 1935-07-01 | 1993-01-31 |
| BRKP1 | BROOKVILLE SEWAGE PLT | JEFFERSON | 1963-12-01 | 1996-06-30 |
| BRNP1 | BARNES | WARREN | 1940-12-01 | 1991-08-31 |
| BSWP1 | BOSWELL 4N | SOMERSET | 1960-06-01 | 2015-10-26 |
| BTLP1 | BUTLER 2 SW | BUTLER | 1967-10-01 | 2020-07-12 |
| BTVP1 | BECHTELSVILLE 1 ENE | BERKS | 1958-03-01 | 2012-03-27 |
| BUKP1 | BUCKSTOWN 1 SE | SOMERSET | 1943-06-01 | 2012-08-20 |
| BUSP1 | ALVIN R BUSH DAM | CLINTON | 1982-07-01 | 2023-10-01 |
| BVRP1 | BEAVERTOWN 1 NE | SNYDER | 1946-02-01 | 2015-10-30 |
| CEDP1 | CEDAR RUN RIVER | LYCOMING | 1895-09-01 | 2023-09-30 |
| CHDP1 | CHADDS FORD 2 NE | DELAWARE | 1945-08-01 | 2006-06-30 |
| CHKP1 | CHALK HILL 2 ENE | FAYETTE | 1977-07-01 | 2018-02-24 |
| CHMP1 | CHAMBERSBURG 1 ESE | FRANKLIN | 1894-01-01 | 2023-08-15 |
| CHRP1 | CHARLEROI LOCK 4 | WESTMORELAND | 1931-01-01 | 2023-09-30 |
| CJRP1 | COUDERSPORT 7SE | POTTER | 2005-03-01 | 2023-05-28 |
| CLAP1 | CLARION 3 SW | CLARION | 1884-11-01 | 2023-09-29 |
| CLFP1 | CONFLUENCE 1 SW DAM | SOMERSET | 1946-07-01 | 2010-12-31 |
| CLMP1 | CLERMONT 1 NW | MCKEAN | 1961-07-01 | 2023-07-04 |
| CLMP1 | CLERMONT 8 SW | MCKEAN | 1987-03-05 | 1992-03-04 |
| CLPP1 | COALPORT 1 NW | CLEARFIELD | 2002-01-01 | 2002-12-31 |
| CLRP1 | CLARENCE | CENTRE | 1950-08-01 | 2019-10-25 |
| CNFP1 | CONFLUENCE 1 NW | FAYETTE | 1892-04-01 | 1981-01-31 |
| CNLP1 | CONNELLSVILLE 2 SSW | FAYETTE | 1976-04-01 | 2023-09-30 |
| CNNP1 | CONNEAUTVILLE 4 ESE | CRAWFORD | 1976-03-01 | 1995-08-31 |
| CNTP1 | CANTON | BRADFORD | 1976-09-01 | 2023-10-01 |
| COAP1 | COATESVILLE 2 W | CHESTER | 1983-03-01 | 2007-12-31 |
| COKP1 | COOKSBURG RIVER | CLARION | 1955-04-01 | 2007-12-20 |
| CONP1 | CONFLUENCE | SOMERSET | 1946-07-01 | 2014-02-26 |
| CORP1 | CORRY | ERIE | 1893-01-01 | 1997-09-30 |
| COVP1 | COVINGTON 2 WSW | TIOGA | 1956-10-01 | 2023-09-24 |
| CPHP1 | CAMP HILL 2SE | CUMBERLAND | 2006-11-13 | 2023-09-30 |
| CQDP1 | COWANESQUE DAM | TIOGA | 1993-08-01 | 2023-10-01 |
| CRDP1 | SHEFFIELD 5 W | WARREN | 1948-06-01 | 1958-11-30 |
| CRKP1 | CREEKSIDE | INDIANA | 1920-04-01 | 2015-10-26 |
| CRLP1 | CHARLEROI | WASHINGTON | 1948-05-01 | 2010-12-13 |
| CRRP1 | CARROLLTOWN 1 NNE | CAMBRIA | 1943-10-01 | 1990-12-31 |
| CRWP1 | CURWENSVILLE LAKE | CLEARFIELD | 2006-11-13 | 2023-10-01 |
| CSBP1 | COOKSBURG 2 NW | CLARION | 1994-01-01 | 2023-09-20 |
| CSHP1 | CONSHOHOCKEN | MONTGOMERY | 1923-08-01 | 2023-10-01 |
| CSLP1 | CARLISLE WATER PLANT | Cumberland | 2007-08-23 | 2023-09-30 |
| CSPP1 | COUDERSPORT 5 NW | POTTER | 1987-02-01 | 2023-09-27 |
| CVWP1 | CHANDLERS VALLEY 1SE | WARREN | 2004-09-01 | 2023-02-25 |
| CXY | HARRISBURG CAPITAL CITY | YORK | 0000-00-00 | 1991-12-31 |
| DANP1 | DANVILLE | MONTOUR | 1939-07-01 | 2013-09-03 |
| DERP1 | DERRY 4 SW | WESTMORELAND | 1896-09-01 | 2008-12-31 |
| DFTP1 | DRIFTWOOD | CAMERON | 1895-07-01 | 1951-09-30 |
| DGFP1 | DINGMANS FERRY 3 W | PIKE | 1939-11-01 | 1951-09-30 |
| DHDP1 | DEHART DAM | DAUPHIN | 1998-05-01 | 2021-11-01 |
| DRAP1 | DONORA 1 SW | WASHINGTON | 1926-08-01 | 2023-09-26 |
| DSRP1 | DUSHORE | SULLIVAN | 1948-05-01 | 2023-08-30 |
| DUJ | DUBOIS FAA AP | JEFFERSON | 1979-05-01 | 2017-05-22 |
| DUNP1 | DUNLO | CAMBRIA | 1992-02-01 | 2016-01-04 |
| DUPP1 | MEADOW RUN PONDS | LACKAWANNA | 1948-07-01 | 1951-07-31 |
| DYSP1 | DYSART 2 NW | CAMBRIA | 2000-11-01 | 2002-01-31 |
| EBNP1 | EBENSBURG SEWAGE PL | CAMBRIA | 1964-02-01 | 2023-09-26 |
| EBVP1 | ELIZABETHVILLE 1N | DAUPHIN | 1893-12-01 | 1915-12-31 |
| EDBP1 | EDINBORO 3 E | ERIE | 1957-07-01 | 1957-12-31 |
| EMPP1 | EMPORIUM | CAMERON | 1969-06-01 | 2009-07-31 |
| EMSP1 | EMSWORTH L/D OHIO RIVER | ALLEGHENY | 1991-09-01 | 2023-10-01 |
| EQNP1 | EQUINUNK 2 NW | WAYNE | 1957-03-01 | 2015-10-14 |
| ERI | ERIE INTL AP | ERIE | 1926-01-01 | 2023-04-13 |
| ESGP1 | EAST STROUDSBURG UNIVERSITY | MONROE | 1975-03-01 | 1985-06-30 |
| EVRP1 | EVERETT | BEDFORD | 1897-05-01 | 2023-08-08 |
| FDCP1 | FORD CITY 4 S DAM | ARMSTRONG | 1943-07-01 | 2023-09-30 |
| FIG | CLEARFIELD-LAWRENCE AIRPORT | CLEARFIELD | 0000-00-00 | 0000-00-00 |
| FRKP1 | FRANKLIN | VENANGO | 1897-01-01 | 2009-07-31 |
| GARP1 | GARLAND 1 SW | WARREN | 1973-03-01 | 2002-03-31 |
| GBGP1 | GREENSBURG 2 E | WESTMORELAND | 1948-05-01 | 1951-09-30 |
| GEEP1 | GREENSBORO LOCK 7 | GREENE | 1888-10-01 | 2015-09-25 |
| GETP1 | EISENHOWER NATL HIST SITE | ADAMS | 1982-02-01 | 2010-11-21 |
| GFCP1 | HOPEWELL MORGANTOWN | BERKS | 1979-01-01 | 2002-07-31 |
| GHNP1 | GLEN HOPE | CLEARFIELD | 1990-08-01 | 2008-12-31 |
| GIBP1 | BAKERSTOWN 3 WNW | ALLEGHENY | 1948-06-01 | 1990-07-31 |
| GKJ | CRAWFORD COUNTY REGIONAL AIRPORT | CRAWFORD | 0000-00-00 | 0000-00-00 |
| GLNP1 | GLENCOE | SOMERSET | 2001-07-01 | 2023-09-24 |
| GLTP1 | GALETON | POTTER | 1931-02-01 | 2023-10-01 |
| GNMP1 | GLENMOORE | CHESTER | 1959-04-01 | 2023-10-01 |
| GRFP1 | GRATERFORD 1 E | MONTGOMERY | 1960-08-01 | 2022-02-14 |
| GRLP1 | GREEN LANE | MONTGOMERY | 1978-07-01 | 2017-06-16 |
| GRMP1 | GRAMPIAN 1E | CLEARFIELD | 2004-11-01 | 2023-09-29 |
| GVLP1 | GREENVILLE 2 NE | MERCER | 1894-01-01 | 1997-01-31 |
| GWDP1 | GLENWILLARD DASHIELDS LOCK AN | ALLEGHENY | 1944-10-01 | 2023-09-26 |
| GYLP1 | GRAYS LANDING | FAYETTE | 1996-10-01 | 2023-10-01 |
| HARP1 | HARRISBURG RIVER GAGE | DAUPHIN | 2006-11-13 | 2023-09-30 |
| HAWP1 | HAWLEY 1 E | PIKE | 1897-11-01 | 2017-08-03 |
| HBGP1 | HAMBURG | BERKS | 1894-01-01 | 2021-11-29 |
| HBKP1 | HONEY BROOK 2 SSE | CHESTER | 1957-08-01 | 2014-10-15 |
| HDLP1 | HONESDALE 4 NW | WAYNE | 1944-01-01 | 1996-12-31 |
| HGSP1 | HOGESTOWN (RIVER) | CUMBERLAND | 2006-11-13 | 2023-09-30 |
| HLNP1 | HOLLISTERVILLE | WAYNE | 1928-01-01 | 2001-05-31 |
| HLTP1 | HOLTWOOD | LANCASTER | 1914-07-01 | 2023-10-01 |
| HLYP1 | HOLLIDAYSBURG 2 NW | BLAIR | 1894-01-01 | 1951-09-30 |
| HNDP1 | HUNTSDALE | CUMBERLAND | 1941-01-01 | 1986-04-30 |
| HOMP1 | HOME | INDIANA | 1948-05-01 | 1951-09-30 |
| HRBP1 | HARRISBURG 1 NE | DAUPHIN | 1998-05-01 | 2023-10-01 |
| HUNP1 | HUNTINGDON | HUNTINGDON | 1894-01-01 | 2012-06-29 |
| HVRP1 | HANOVER | YORK | 1904-04-01 | 1993-09-30 |
| HYNP1 | HYNDMAN | BEDFORD | 1906-01-01 | 1993-12-31 |
| INDP1 | INDIANA 3 SE | INDIANA | 1946-10-01 | 2023-09-30 |
| IPT | WILLIAMSPORT RGNL AP | LYCOMING | 2006-11-13 | 2023-10-01 |
| JMSP1 | JAMESTOWN 2 NW | CRAWFORD | 1931-01-01 | 2023-05-30 |
| JNDP1 | JUNEDALE | CARBON | 1996-10-01 | 1997-02-28 |
| JNTP1 | JOHNSTOWN AIRPORT | CAMBRIA | 2006-11-15 | 2015-10-26 |
| JRSP1 | JERSEY SHORE | LYCOMING | 1957-12-01 | 2023-09-30 |
| JST | JOHNSTOWN-CAMBRIA CO APT | CAMBRIA | 2017-05-22 | 2017-05-22 |
| JSTP1 | JOHNSTOWN 2 | CAMBRIA | 1948-05-01 | 1951-09-30 |
| JTWP1 | JOHNSTOWN | CAMBRIA | 1892-03-01 | 1993-07-31 |
| KANP1 | KANE 1 NNE | MCKEAN | 1894-01-01 | 2023-09-28 |
| KARP1 | KARTHAUS (RIVER) | CLEARFIELD | 1895-07-01 | 2023-09-30 |
| KNGP1 | KINGSTON | WESTMORELAND | 1975-05-01 | 1977-06-30 |
| KTTP1 | KITTANNING LOCK 7 | ARMSTRONG | 1951-06-01 | 2015-09-19 |
| KUKP1 | MERWINSBURG | MONROE | 1925-07-01 | 1951-09-30 |
| LAPP1 | LAPORTE | SULLIVAN | 1991-09-01 | 2023-10-01 |
| LAUP1 | LAUREL SUMMIT | SOMERSET | 1997-04-01 | 2023-09-30 |
| LBGP1 | LEWISBURG | UNION | 1996-12-01 | 2023-10-01 |
| LCRP1 | LANCASTER 2 NE FILT PLANT | LANCASTER | 1948-05-01 | 2023-10-01 |
| LDVP1 | LANDISVILLE 2 NW | LANCASTER | 1952-04-01 | 2023-08-31 |
| LEBP1 | LEBANON 2 W | LEBANON | 1948-05-01 | 2023-09-28 |
| LERP1 | LE ROY | BRADFORD | 1893-01-01 | 1997-03-31 |
| LGHP1 | LEHIGHTON 1 SSW | CARBON | 1934-11-01 | 2023-09-28 |
| LHGP1 | BELTZVILLE DAM | CARBON | 1971-09-01 | 2023-09-21 |
| LMPP1 | LAUREL MOUNTAIN | WESTMORELAND | 1970-11-01 | 2014-02-19 |
| LNGP1 | LANGHORNE | BUCKS | 2006-11-13 | 2023-09-30 |
| LNPP1 | LONG POND POCONO LAKE | MONROE | 1947-01-01 | 2000-09-30 |
| LNS | LANCASTER ARPT | LANCASTER | 0000-00-00 | 0000-00-00 |
| LNVP1 | LINESVILLE 1 S | CRAWFORD | 1920-02-01 | 2020-12-28 |
| LOKP1 | LOCK HAVEN SEWAGE PLANT | CLINTON | 1948-05-01 | 2023-09-28 |
| LRLP1 | LAURELTON CENTER | UNION | 1948-05-01 | 2006-04-30 |
| LSRP1 | LEWIS RUN 3 SE | MCKEAN | 1948-05-01 | 1970-02-28 |
| LSTP1 | LEWISTOWN | MIFFLIN | 1938-08-01 | 2023-09-21 |
| LWBP1 | LEWISBURG 1 ENE | NORTHUMBERLAND | 2006-11-13 | 2023-09-30 |
| LWRP1 | LEWIS RUN | MCKEAN | 1969-12-01 | 2005-10-31 |
| MADP1 | MADERA 2 SE | CLEARFIELD | 1949-01-01 | 1990-12-31 |
| MATP1 | MATAMORAS | PIKE | 1904-10-01 | 2012-03-27 |
| MAYP1 | MAHANOY CITY 2 N | SCHUYLKILL | 1972-02-01 | 2023-09-30 |
| MCCP1 | MCCONNELLSBURG 1 SW | FULTON | 1938-10-01 | 2013-11-13 |
| MCKP1 | MCKEESPORT | ALLEGHENY | 1928-08-01 | 2020-04-28 |
| MDT | MIDDLETOWN HARRISBURG INTL AP | DAUPHIN | 1941-01-01 | 2023-10-01 |
| MEDP1 | MEADVILLE 1 S | CRAWFORD | 1928-08-01 | 1999-07-31 |
| MERP1 | MERCER | MERCER | 1950-03-01 | 2010-08-31 |
| MGNP1 | MORGANTOWN | BERKS | 1951-06-01 | 2022-01-18 |
| MGYP1 | MONTGOMERY LOCK & DAM | BEAVER | 1961-05-01 | 2023-09-30 |
| MHKP1 | MARCUS HOOK | DELAWARE | 1919-07-01 | 2013-09-30 |
| MHPP1 | MESHOPPEN RIVER GAGE | WYOMING | 2006-11-13 | 2023-09-30 |
| MINP1 | MINERSVILLE 6 NW | SCHUYLKILL | 1998-04-01 | 2000-04-30 |
| MLAP1 | MILANVILLE | WAYNE | 1945-08-01 | 2020-03-24 |
| MLLP1 | MILLHEIM | CENTRE | 1949-06-01 | 2023-08-29 |
| MLNP1 | MILAN 1 N | BRADFORD | 1948-05-01 | 1951-09-30 |
| MLYP1 | MILROY 2 WNW | MIFFLIN | 1945-10-01 | 1966-04-30 |
| MNVP1 | MARIENVILLE 2 NE | FOREST | 1948-05-01 | 1951-09-30 |
| MPLP1 | MAPLETON DEPOT | HUNTINGDON | 1938-12-01 | 2023-09-30 |
| MPO | POCONO MTNS MUNI ARPT | MONROE | 0000-00-00 | 0000-00-00 |
| MRVP1 | MURRYSVILLE 2 SW | WESTMORELAND | 1948-05-01 | 2023-09-18 |
| MTDP1 | MT. DAVIS | SOMERSET | 1996-09-01 | 2011-04-12 |
| MTPP1 | MOUNT PLEASANT | WESTMORELAND | 1981-02-01 | 2011-03-12 |
| MTRP1 | MONTROSE | SUSQUEHANNA | 1903-09-01 | 2009-07-31 |
| MYRP1 | MEYERSDALE 2 SSW | SOMERSET | 1963-01-01 | 2019-10-31 |
| MYSP1 | MYERSTOWN | LEBANON | 1938-08-01 | 2017-07-24 |
| NATP1 | NATRONA LOCK 4 | ALLEGHENY | 1907-06-01 | 2023-10-01 |
| NCSP1 | NEW CASTLE 1 N | LAWRENCE | 1892-05-01 | 2009-12-31 |
| NEVP1 | CORAOPOLIS NEVILLE IS | ALLEGHENY | 1906-12-01 | 1989-05-31 |
| NHDP1 | NEW HOLLAND 2 SE | LANCASTER | 1992-08-01 | 2023-09-29 |
| NPKP1 | NEW PARK | YORK | 1924-08-01 | 2023-08-17 |
| NPTP1 | NEWPORT (RIVER) | PERRY | 1924-09-01 | 2023-09-30 |
| NRSP1 | NORRISTOWN | MONTGOMERY | 1948-05-01 | 2023-05-18 |
| NSTP1 | NEW STANTON 1 SW | WESTMORELAND | 1952-03-01 | 2023-09-24 |
| NWCP1 | NEW CASTLE | LAWRENCE | 1892-05-01 | 2020-12-17 |
| OAKP1 | NESHAMINY FALLS | BUCKS | 1915-01-01 | 2023-10-01 |
| OFDP1 | CLAUSSVILLE | LEHIGH | 1945-08-01 | 2009-07-31 |
| OFRP1 | OLD FORGE | LACKAWANNA | 2006-11-13 | 2023-09-30 |
| ORLP1 | ORWELL 2 NW | BRADFORD | 1961-05-01 | 1993-12-31 |
| ORTP1 | CASHTOWN 1S | ADAMS | 2010-11-10 | 2023-09-30 |
| OSWP1 | OSWAYO 1 ENE | POTTER | 1991-09-01 | 2021-04-27 |
| OXFP1 | OCTORARO LAKE | LANCASTER | 1978-02-01 | 2023-08-28 |
| PADP1 | PHILADELPHIA FAIRMOUNT DAM | PHILADELPHIA | 2006-11-13 | 2023-09-30 |
| PALP1 | PORT ALLEGANY | MCKEAN | 1948-05-01 | 2023-09-30 |
| PFIP1 | PHILADELPHIA FRANKLIN INSTITUT | PHILADELPHIA | 1994-03-01 | 2023-07-26 |
| PGFP1 | PINE GROVE FURNACE | CUMBERLAND | 1982-05-01 | 2023-09-30 |
| PGLP1 | PRINCE GALLITZIN ST PARK | CAMBRIA | 1982-09-01 | 2023-09-26 |
| PHL | PHILADELPHIA INTL AP | PHILADELPHIA | 1948-01-01 | 2017-05-22 |
| PHOP1 | DEVAULT 1 W | CHESTER | 1951-06-01 | 2007-12-10 |
| PHXP1 | PHOENIXVILLE 1 E | CHESTER | 1893-01-01 | 2023-07-30 |
| PIT | PITTSBURGH WSCOM 2 AP | ALLEGHENY | 1948-01-01 | 2017-05-22 |
| PKLP1 | PARKER 1 E | ARMSTRONG | 1948-05-01 | 1951-09-30 |
| PLBP1 | PHILIPSBURG 2 S | CENTRE | 1998-04-01 | 2023-10-01 |
| PLEP1 | PLEASANT MOUNT 1 W | WAYNE | 1924-10-01 | 2023-10-01 |
| PLMP1 | PALM 3 SE | MONTGOMERY | 1941-10-01 | 2023-08-14 |
| PLPP1 | PHILIPSBURG 8 E | CENTRE | 1986-10-01 | 1997-02-28 |
| PLVP1 | BLUE MARSH LAKE | BERKS | 1978-05-01 | 2023-09-26 |
| PMRP1 | POINT MARION LOCK 8 | GREENE | 1951-06-01 | 2023-10-01 |
| PNE | PHILADELPHIA INT ARPT | PHILADELPHIA | 2006-11-14 | 2017-05-22 |
| PNXP1 | PUNXSUTAWNEY 2 E | JEFFERSON | 2006-11-14 | 2015-02-16 |
| PNYP1 | PUTNEYVILLE 2 SE DAM | ARMSTRONG | 1943-07-01 | 2023-09-29 |
| POPP1 | BEAR GAP | NORTHUMBERLAND | 1944-07-01 | 2023-10-01 |
| PPKP1 | PAUPACK 1 WSW | PIKE | 1926-04-01 | 2000-05-31 |
| PROP1 | PROMPTON DAM | WAYNE | 1968-03-01 | 2023-08-30 |
| PRTP1 | PALMERTON | CARBON | 1917-04-01 | 1997-12-31 |
| PSB | MID STATE REG ARPT | CENTRE | 0000-00-00 | 0000-00-00 |
| PTBP1 | PIT CARNEGIE SCIENCE CENTER | ALLEGHENY | 1992-08-01 | 1994-02-28 |
| PTNP1 | POTTSTOWN | MONTGOMERY | 1894-01-01 | 2023-09-30 |
| PTW | HERITAGE FIELD AIRPORT | MONTGOMERY | 0000-00-00 | 0000-00-00 |
| PXSP1 | PUNXSUTAWNEY | JEFFERSON | 1913-06-01 | 2012-02-01 |
| RCTP1 | RECTOR 3 SSW | WESTMORELAND | 1975-04-01 | 2007-03-31 |
| RDG | READING SPAATZ FIELD | 2006-11-14 | 2017-05-22 | |
| RDGP1 | READING 4 NNW | BERKS | 1973-03-01 | 2008-03-31 |
| RDWP1 | RIDGWAY | ELK | 1893-01-01 | 2023-10-01 |
| REVP1 | BUCKSVILLE | BUCKS | 1978-12-01 | 2023-06-06 |
| RLLP1 | RUSSELL 3 NW | WARREN | 1983-03-01 | 1999-04-30 |
| RNVP1 | RENOVO 6 S | CLINTON | 1948-05-01 | 1951-09-30 |
| RODP1 | RODALE RESEARCH CENTER | BERKS | 1983-12-01 | 2013-03-30 |
| ROVP1 | RENOVO RIVER | CLINTON | 2006-11-13 | 2023-09-30 |
| RSHP1 | RUSHVILLE | SUSQUEHANNA | 1949-02-01 | 2004-03-31 |
| RSLP1 | SCANDIA 1 E | WARREN | 1948-05-01 | 1951-09-30 |
| RSSP1 | RUSSELL (RIVER) | WARREN | 1960-04-01 | 2015-02-16 |
| RTDP1 | RAYSTOWN LAKE 2 | HUNTINGDON | 1974-06-01 | 2023-10-01 |
| RVOP1 | RENOVO | CLINTON | 1895-07-01 | 2023-09-29 |
| RYMP1 | RAYMOND | POTTER | 1948-06-01 | 1992-10-31 |
| SAGP1 | SAGAMORE | ARMSTRONG | 1965-04-01 | 2016-02-01 |
| SAHP1 | SAFE HARBOR DAM | LANCASTER | 1948-05-01 | 2023-10-01 |
| SAXP1 | SAXTON | BEDFORD | 0000-00-00 | 2013-02-05 |
| SBNP1 | SABINSVILLE 3 SE | TIOGA | 1969-12-01 | 2013-03-21 |
| SBOP1 | SPRINGBORO 3 WNW | CRAWFORD | 1996-08-01 | 2023-10-01 |
| SBYP1 | SUNBURY RIVER GAGE | SNYDER | 2006-11-13 | 2023-09-30 |
| SCHP1 | SCHENLEY LOCK 5 | ARMSTRONG | 1891-07-01 | 2023-10-01 |
| SDBP1 | STROUDSBURG | MONROE | 1910-12-01 | 2023-09-16 |
| SEG | PENN VALLEY AIRPORT | SNYDER | 0000-00-00 | 0000-00-00 |
| SETP1 | SMETHPORT | MCKEAN | 1894-01-01 | 1951-09-30 |
| SGHP1 | SPRING HOUSE 2 NE | MONTGOMERY | 1972-04-01 | 1998-03-31 |
| SGRP1 | SPRING GROVE | YORK | 1932-01-01 | 2023-08-04 |
| SHKP1 | SHICKSHINNY 3 N | LUZERNE | 1971-06-01 | 2018-07-14 |
| SHMP1 | SOUTHAMPTON | BUCKS | 1979-05-01 | 2013-09-22 |
| SLGP1 | SELINSGROVE 2 S | SNYDER | 1893-01-01 | 2023-09-26 |
| SLNP1 | SALINA 3 W | WESTMORELAND | 1953-01-01 | 2023-10-01 |
| SLTP1 | LOYALHANNA LAKE | INDIANA | 1980-07-01 | 2023-10-01 |
| SMDP1 | SHERMANSDALE | PERRY | 2006-01-01 | 2023-09-30 |
| SMEP1 | SMETHPORT 1 SW | MCKEAN | 1985-07-01 | 1991-01-31 |
| SMHP1 | SINNEMAHONING | CAMERON | 1951-01-01 | 2012-03-30 |
| SMKP1 | SHAMOKIN | NORTHUMBERLAND | 1944-07-01 | 1995-02-28 |
| SMRP1 | SOMERSET | SOMERSET | 1949-09-01 | 2023-10-01 |
| SMTP1 | SOUTH MOUNTAIN | FRANKLIN | 1940-05-01 | 2022-09-29 |
| SNKP1 | SHUNK | SULLIVAN | 1983-10-01 | 1986-06-30 |
| SPBP1 | SHIPPENSBURG | CUMBERLAND | 1910-09-01 | 2023-09-26 |
| SPCP1 | SPRING CREEK 5 NE | WARREN | 2002-10-01 | 2003-12-31 |
| SPPP1 | SLIPPERY ROCK 1 SSW | BUTLER | 1949-05-01 | 2023-09-30 |
| SPRP1 | SPRINGTOWN 1 NNE | BUCKS | 1991-12-01 | 2023-10-01 |
| SRVP1 | SELLERSVILLE | BUCKS | 1948-05-01 | 2023-09-30 |
| SSGP1 | SEVEN SPRINGS | SOMERSET | 1983-01-01 | 1993-10-31 |
| SSPP1 | SHAWNEE STATE PARK | BEDFORD | 1992-05-01 | 2009-07-31 |
| SSQP1 | SUSQUEHANNA | SUSQUEHANNA | 1935-02-01 | 2023-08-09 |
| STCP1 | STATE COLLEGE | CENTRE | 1893-02-01 | 2023-09-17 |
| STGP1 | STRONGSTOWN | INDIANA | 1948-05-01 | 2015-10-26 |
| STIP1 | STILLWATER DAM | SUSQUEHANNA | 2006-11-13 | 2023-10-01 |
| STSP1 | SUTERSVILLE | ALLEGHENY | 1939-12-01 | 1939-12-31 |
| STTP1 | STRAUSSTOWN | BERKS | 1945-08-01 | 2009-07-31 |
| STVP1 | STEVENSON DAM | CAMERON | 2006-11-13 | 2023-10-01 |
| SUNP1 | SUNBURY | NORTHUMBERLAND | 1926-10-01 | 2023-10-01 |
| SZRP1 | SIZERVILLE | POTTER | 1957-12-01 | 1963-04-30 |
| TAQP1 | TAMAQUA | SCHUYLKILL | 1940-12-01 | 2013-10-07 |
| TGRP1 | TIOGA HAMMOND DAM | TIOGA | 1973-12-01 | 2023-10-01 |
| THV | YORK AIRPORT | YORK | 0000-00-00 | 0000-00-00 |
| TIOP1 | TIONESTA 2 SE LAKE | FOREST | 1921-03-01 | 2023-09-30 |
| TMQP1 | TAMAQUA 4 N DAM | SCHUYLKILL | 1931-10-01 | 2022-01-29 |
| TNVP1 | TANNERSVILLE 2E | MONROE | 1925-08-01 | 2008-05-15 |
| TOBP1 | TOBYHANNA POCONO MTN A | MONROE | 1961-12-01 | 2005-01-31 |
| TOWP1 | TOWANDA RIVER | BRADFORD | 2006-11-13 | 2023-09-30 |
| TRYP1 | TROY 1 NE | BRADFORD | 1951-05-01 | 2011-03-27 |
| TSVP1 | TITUSVILLE WATER WORKS | CRAWFORD | 1954-08-01 | 2023-09-27 |
| TWOP1 | TOWANDA 1 S | BRADFORD | 1894-10-01 | 2023-03-22 |
| TYRP1 | TYRONE | BLAIR | 1972-11-01 | 2023-09-29 |
| UCYP1 | UNION CITY FILTRATION PLT | ERIE | 1950-03-01 | 2023-08-08 |
| UNNP1 | HANOVER 4 SW | ADAMS | 1993-08-01 | 2021-10-24 |
| UNTP1 | UNIONTOWN 1 NE | FAYETTE | 1894-01-01 | 2018-07-27 |
| VADP1 | VANDERGRIFT 3 NE | WESTMORELAND | 1988-04-01 | 2002-05-31 |
| VANP1 | VAN | VENANGO | 1981-10-01 | 1996-06-30 |
| VNPP1 | VALLEY FORGE N.H.P. | MONTGOMERY | 1982-08-01 | 2008-08-28 |
| WCHP1 | WEST CHESTER 2 NW | CHESTER | 1893-01-01 | 2017-05-26 |
| WHCP1 | WEST HICKORY 2 | FOREST | 1992-08-01 | 2012-03-31 |
| WHKP1 | WEST HICKORY RIVER | FOREST | 1952-03-01 | 1992-07-31 |
| WHNP1 | FRANCIS E WALTER DAM | LUZERNE | 1963-10-01 | 2023-09-28 |
| WILP1 | WILLIAMSPORT | LYCOMING | 1895-02-01 | 2023-09-30 |
| WITP1 | WHITESBURG | ARMSTRONG | 1940-09-01 | 2007-07-16 |
| WLLP1 | WELLSBORO 4 SW | TIOGA | 1926-01-01 | 2023-09-26 |
| WLNP1 | WALNUTPORT RIVER GAGE | NORTHAMPTON | 1967-11-01 | 1972-06-30 |
| WLXP1 | GLEN HAZEL 2 NE DAM | ELK | 1942-09-01 | 2023-09-06 |
| WMGP1 | WILLIAMSBURG | BLAIR | 1940-12-01 | 2023-09-30 |
| WMSP1 | WILLIAMSPORT 2 | LYCOMING | 1997-07-01 | 2023-08-26 |
| WOLP1 | WOLFSBURG | BEDFORD | 1950-07-01 | 2023-05-06 |
| WREP1 | WILKES BARRE | LUZERNE | 1893-01-01 | 2000-04-30 |
| WRRP1 | WARREN | WARREN | 1893-01-01 | 2023-09-30 |
| WSGP1 | WASHINGTON 3 NE | WASHINGTON | 1975-04-01 | 2014-06-30 |
| WSHP1 | WASHINGTON | WASHINGTON | 1921-07-01 | 1981-06-30 |
| WYNP1 | WAYNESBURG 1 E | GREENE | 1948-05-01 | 2023-09-25 |
| YHNP1 | YORK HAVEN | YORK | 1921-03-01 | 2018-01-01 |
| YORP1 | YORK 1 S FILTER PLANT | YORK | 1948-05-01 | 1951-09-30 |
| YRKP1 | YORK 3 SSW PUMP STN | YORK | 1894-01-01 | 2023-10-01 |
| ZNSP1 | ZIONSVILLE 3 ESE | LEHIGH | 1950-10-01 | 1997-04-30 |