| NWSLI | Location Description |
| ACMP1 | ALLEGHENY RIVER AT LOCK AND DAM #3 NEAR ACMETONIA 1S |
| ALDP1 | WEST BRANCH LACKAWAXEN AT ALDENVILLE |
| ALKP1 | BRODHEAD CREEK NEAR ANALOMINK 2N |
| ALLP1 | LITTLE LEHIGH CREEK AT ALLENTOWN |
| ALNP1 | JORDAN CREEK AT ALLENTOWN |
| ALTP1 | ALTOONA 3SW RAIN |
| ANAP1 | GROUNDWATER WELL IN WASHINGTON TOWNSHIP, BUTLER COUNTY NEAR BOYERS 2SE |
| ANFP1 | ALLEGHENY RAWS |
| APAP1 | LITTLE LEHIGH CREEK AT TENTH STREET BRIDGE AT ALLENTOWN |
| ARHP1 | LACKAWANNA RIVER AT ARCHBALD |
| AUGP1 | AUGHWICK CREEK NEAR THREE SPRINGS 3NE |
| AVLP1 | AVELLA RAIN |
| AVOP1 | USCRN SITE NEAR AVONDALE 2N |
| AXEP1 | SPRING CREEK NEAR AXEMANN 1W |
| AXMP1 | AXEMAN RAIN |
| AYLP1 | AYLESWORTH LAKE NEAR JERMYN |
| BANP1 | BANNERVILLE RAIN |
| BBRP1 | BARBOURS RAIN |
| BCHP1 | BALD EAGLE CREEK AT BLANCHARD |
| BDDP1 | MONONGAHELA RIVER AT LOCK AND DAM #2 NEAR BRADDOCK |
| BEAP1 | BEAVER RIVER AT BEAVER FALLS |
| BECP1 | BALD EAGLE CREEK NEAR BEECH CREEK STATION NEAR BEECH CREEK 2E |
| BEDP1 | RAYSTOWN BRANCH JUNIATA RIVER AT WOLFSBURG NEAR BEDFORD |
| BELP1 | DUNNING CREEK AT BELDEN |
| BETP1 | LEHIGH RIVER AT BETHLEHEM |
| BGNP1 | BIG KNOB RAWS NEAR BLAIN 3NW |
| BHDP1 | BEARS HEAD RAWS NEAR MAHANOY CITY 4NE |
| BHLP1 | BETHEL RAIN |
| BKLP1 | REDBANK CREEK AT BROOKVILLE |
| BKTP1 | INDIANA COUNTY WELL (IN919) IN BANKS NEAR HILLMAN 2SE |
| BLAP1 | BLAIN RAIN |
| BLDP1 | BALD EAGLE CREEK AT TYRONE |
| BLHP1 | BLAIR HELIBASE RAWS |
| BMBP1 | SUSQUEHANNA RIVER AT BLOOMSBURG |
| BMGP1 | CODORUS CREEK STATE PARK (LAKE MARBURG) NEAR BLOOMING GROVE |
| BMRP1 | TULPEHOCKEN CREEK BELOW BLUE MARSH DAM NEAR PLEASANT VALLEY |
| BNDP1 | MARSH CREEK AT BLANCHARD |
| BRAP1 | TUNUNGWANT CREEK AT BRADFORD |
| BREP1 | SCHUYLKILL RIVER AT BERNE |
| BRNP1 | BARNES |
| BRVP1 | TULPEHOCKEN CREEK NEAR BERNVILLE 3.5W |
| BRZP1 | BREEZEWOOD RAIN |
| BSCP1 | BIG SPRING CREEK NEAR NEWVILLE 3S |
| BSRP1 | BIG SPRING RUN ABOVE TRIBUTARY NEAR WILLOW STREET |
| BTHP1 | MONOCACY CREEK AT BETHLEHEM |
| BTRP1 | CONNOQUENESSING CREEK NEAR BUTLER 1SW |
| BUSP1 | ALVIN R BUSH LAKE NEAR WESTPORT 6NW |
| BVLP1 | WOODCOCK CREEK NEAR BLOOMING VALLEY 1NE |
| BVXP1 | BEAVERTOWN RAIN |
| BWRP1 | WEST BRANCH SUSQUEHANNA RIVER NEAR MCHAFFEY NEAR BOWER 3NE |
| CARP1 | CHARTIERS CREEK NEAR CARNEGIE 1WSW |
| CBSP1 | CAMBRIDGE SPRINGS |
| CCDP1 | CROOKED CREEK DAM OUTFLOW NEAR CHRISTY MANOR 1SE |
| CDFP1 | BRANDYWINE CREEK AT CHADDS FORD |
| CEDP1 | PINE CREEK AT CEDAR RUN |
| CHLP1 | NORTH BRANCH NESHAMINY CREEK AT CHALFONT |
| CHRP1 | MONONGAHELA RIVER LOCK & DAM #4 NEAR CHARLEROI 1N |
| CHSP1 | CHESTER CREEK NEAR CHESTER 3NW |
| CKFP1 | CLARION COUNTY GROUNDWATER WELL IN FARMINGTON TOWNSHIP NEAR COOKSBURG 1NW |
| CLLP1 | YOUGHIOGHENY RIVER AT CONNELLSVILLE |
| CLNP1 | LOCK #6 ALLEGHENY RIVER NEAR CLINTON 1NNE |
| CMDP1 | CONEMAUGH RIVER AT CONEMAUGH DAM OUTFLOW NEAR TUNNELTON 1S |
| CNFP1 | YOUGHIOGHENY RIVER NEAR CONFLUENCE 1NW |
| CNMP1 | LAKE CONEMAUGH DAM NEAR TUNNELTON 2ENE |
| CNSP1 | CONESTOGA RIVER NEAR CONESTOGA 1W |
| COBP1 | COBBS CREEK AT US HIGHWAY 1 AT PHILADELPHIA |
| COFP1 | COFFIN ROCK RAWS NEAR RENOVO 6S |
| COKP1 | CLARION RIVER AT COOKSBURG |
| COTP1 | WEST BRANCH BRANDYWINE CREEK AT COATSVILLE |
| COUP1 | COUDERSPORT 4NW |
| COWP1 | COWANESQUE LAKE NEAR LAWRENCEVILLE 1W |
| CPHP1 | YELLOW BREECHES CREEK NEAR CAMP HILL 1SE |
| CRCP1 | CROOKED CREEK LAKE NEAR CRISTY MANOR 2SE |
| CRFP1 | KETTLE CREEK AT CROSS FORK |
| CRVP1 | WEST BRANCH SUSQUEHANNA RIVER NEAR CURWENSVILLE 1S |
| CRWP1 | CURWENSVILLE LAKE NEAR CURWENSVILLE 1S |
| CRYP1 | CORRY |
| CSSP1 | CRESSON |
| CTCP1 | CARTER CAMP AT OLEONA |
| CTLP1 | CENTRAL CITY |
| DALP1 | EAST MAHANTANGO CREEK NEAR DALMATIA 2SSE |
| DANP1 | SUSQUEHANNA RIVER AT DANVILLE |
| DBLP1 | EAST BRANCH PERKIOMEN CREEK NEAR DUBLIN |
| DILP1 | DILLSBURG RAIN |
| DMLP1 | CLEARFIELD CREEK AT DIMELING |
| DNGP1 | DONEGAL 1NW |
| DNKP1 | DUNKARD CREEK AT JOLLYTOWN |
| DNTP1 | MARSH CREEK NEAR DOWNINGTOWN 3N |
| DQHP1 | SAWMILL RUN NEAR DUQUESNE HEIGHTS 1S |
| DSHP1 | OHIO RIVER AT DASHIELDS LOCK & DAM NEAR GLENWILLARD 1SE |
| DSRP1 | RAIN GAGE NEAR DUSHORE |
| DUBP1 | SANDY LICK CREEK AT DUBOIS |
| DWNP1 | EAST BRANCH BRANDYWINE CREEK BELOW DOWINGTOWN 3SE |
| EBBP1 | EAST BRANCH BRANDYWINE CREEK NEAR DOWNINGTOWN 2N |
| EBEP1 | EBENSBURG 1SW |
| EBRP1 | EAST BRANCH CLARION LAKE NEAR GLEN HAZEL |
| ECMP1 | LITTLE CONEMAUGH RIVER AT EAST CONEMAUGH |
| EDGP1 | LITTLE BUSH KILL AT EDGEMERE NEAR DINGMANS FERRY 7WNW |
| EGRP1 | PERKIOMEN CREEK AT EAST GREENVILLE |
| ELIP1 | ELIMSPORT RAIN |
| ELKP1 | COWANESQUE RIVER AT ELKLAND |
| ELRP1 | ALLEGHENY RIVER NEAR ELDRED 3ENE |
| ELZP1 | MONONGAHELA RIVER AT LOCK AND DAM #3 AT ELIZABETH |
| EMSP1 | OHIO RIVER AT EMSWORTH DAM NEAR EMSWORTH 1SE |
| ENGP1 | BLOCKHOUSE CREEK NEAR ENGLISH CENTER 3ENE |
| EPMP1 | WALDY RUN NEAR EMPORIUM 5NW |
| EPXP1 | EPHRATA RAIN GAUGE (WATER TREATMENT PLANT) |
| ETNP1 | LITTLE PINE CREEK NEAR ETNA 1NE |
| FABP1 | SUSQUEHANNA RIVER ABOVE FABRIDA DAM NEAR SUNBURY 1SW |
| FALP1 | CONEWAGO CREEK NEAR FALMOUTH NEAR MIDDLETOWN 6SE |
| FCKP1 | FISHING CREEK NEAR BLOOMSBURG 5N |
| FCRP1 | FRANKFORD CREEK AT CASTOR AVE AT PHILADELPHIA |
| FCYP1 | LACKAWANNA RIVER NEAR FOREST CITY 2N |
| FDLP1 | STONYCREEK RIVER AT FERNDALE |
| FDMP1 | FREEDOM 1E |
| FFSP1 | WELL BV-156 IN HANOVER TOWNSHIP NEAR FRANKFORD SPRINGS 2NE |
| FIGP1 | HARPERS TAVERN RAIN NEAR FORT INDIANTOWN GAP |
| FNSP1 | FORT NECESSITY NEAR CHALKHILL 3SE |
| FREP1 | ALLEGHENY RIVER AT LOCK AND DAM #5 NEAR FREEPORT 1NE |
| FRIP1 | FRIEDENSBURG 2NW RAIN |
| FRKP1 | ALLEGHENY RIVER AT FRANKLIN |
| FRPP1 | BUFFALO CREEK NEAR FREEPORT NEAR SILVERVILLE 1NE |
| FTWP1 | WISSAHICKON CREEK AT FORT WASHINGTON |
| FZZP1 | LAWRENCE COUNTY OBSERVATION WELL IN PULASKI TOWNSHIP NEAR PULASKI 2S |
| GDDP1 | GLENDALE LAKE |
| GDHP1 | GARDEN HOLLOW RAWS NEAR AARONSBURG 18NE |
| GDIP1 | WASHINGTON COUNTY OBSERVATION WELL AT GOOD INTENT NEAR EAST FINLEY 3NW |
| GHDP1 | EAST BRANCH DAM OUTFLOW NEAR GLEN HAZEL |
| GLDP1 | LEHIGH RIVER AT GLENDON |
| GLSP1 | GLEASON 1N |
| GLWP1 | PAXTON CREEK NEAR GLENWOOD |
| GLXP1 | GALETON RAIN |
| GMRP1 | MARSH CREEK NEAR GLENMOORE 2NE |
| GMWP1 | ERIE NATIONAL WILDLIFE REFUGEE RAWS NEAR GUYS MILLS 1E |
| GNVP1 | LITTLE SHENANGO RIVER NEAR GREENVILLE 3NNE |
| GRAP1 | PERIKIOMEN CREEK SITE 1 AT GRATERFORD |
| GRCP1 | TWO LICK CREEK AT GRACETON |
| GRDP1 | BRANDY RUN NEAR GIRARD 2SE |
| GRVP1 | SHENANGO RIVER AT GREENVILLE |
| GRYP1 | GRAYSVILLE 2ESE |
| GSRP1 | MERCER COUNTY OBSERVATION WELL NEAR GREENVILLE 1SE |
| GTYP1 | GIRTYS RUN ABOVE GRANT AVENUE AT MILLVALE |
| GUFP1 | KINZUA CREEK NEAR GUFFEY 1.5W |
| GUYP1 | GUYS MILLS 3NE |
| GYLP1 | MONONGAHELA RIVER AT LOCK & DAM AT GREYSLANDING 1SW |
| HARP1 | SUSQUEHANNA RIVER AT HARRISBURG |
| HEIP1 | BERMUDIAN CREEK AT OXFORD ROAD NEAR HEIDLERSBURG 2N |
| HERP1 | SWATARA CREEK NEAR HERSHEY 1NW |
| HGSP1 | CONODOGUINET CREEK NEAR HOGESTOWN 1NE |
| HGVP1 | MCCULLOCHS MILLS RAIN GAUGE NEAR HONEY GROVE 2NW |
| HLGP1 | NW BRANCH PERKIOMEN CREEK AT HILLEGASS |
| HMRP1 | YELLOW CREEK NEAR HOMER CITY 4NE |
| HNBP1 | WEST BRANCH BRANDYWINE CREEK NEAR HONEY BROOK 3SE |
| HNEP1 | DYBERRY CREEK NEAR HONESDALE 2N |
| HONP1 | LACKAWAXEN RIVER NEAR HONESDALE |
| HOPP1 | HOP BOTTOM RAIN GAUGE |
| HOSP1 | HOLSOPPLE 2SSW |
| HOUP1 | SPRING CREEK AT HOUSERVILLE |
| HRSP1 | HERSHEY RAIN |
| HTVP1 | SWATARA CREEK AT HARPER TAVERN |
| HUJP1 | JUNIATA RIVER AT HUNTINGDON |
| HWYP1 | LACKAWAXEN RIVER AT HAWLEY |
| HYDP1 | WILLS CREEK BELOW HYNDMAN 1S |
| HYEP1 | WEST BRANCH SUSQUEHANNA RIVER AT HYDE |
| HZLP1 | HAZLETON RAIN |
| IDAP1 | CROOKED CREEK AT IDAHO |
| ILTP1 | WEST BRANCH SUSQUEHANNA RIVER AT WEST MIFFLIN NEAR MILTON 1W |
| INIP1 | INDIANA RAIN |
| IWDP1 | SWATARA CREEK AT INWOOD |
| JDWP1 | JADWIN RESERVOIR TAILWATER NEAR HONESDALE 2N |
| JENP1 | JEANNETTE 1NW |
| JFRP1 | SOUTH FORK TENMILE CREEK NEAR JEFFERSON 1SW |
| JHNP1 | CLARION RIVER AT JOHNSONBURG |
| JHSP1 | CONEMAUGH RIVER AT MINERSVILLE NEAR JOHNSTOWN 1NW |
| JMSP1 | SHENANGO RIVER AT PYMATUNING DAM NEAR JAMESTOWN 2NW |
| JOSP1 | BLACKLICK CREEK NEAR JOSEPHINE 1S |
| JRSP1 | WEST BRANCH SUSQUEHANNA RIVER AT JERSEY SHORE |
| KARP1 | WEST BRANCH SUSQUEHANNA RIVER AT KARTHAUS |
| KEAP1 | KEATING RAIN |
| KINP1 | LOYALHANNA CREEK AT KINGSTON |
| KIZP1 | KINZUA DAM OUTFLOW (ALLEGHENY RIVER) NEAR WARREN 7NE |
| KNSP1 | RED CLAY CREEK NEAR KENNETT SQUARE 3S |
| KNZP1 | KINZUA DAM |
| KRVP1 | POHOPOCO CREEK AT KRESGEVILLE |
| KTTP1 | ALLEGHENY RIVER AT LOCK & DAM 7 AT KITTANNING |
| KYPP1 | KENNEDY PRESERVE RAWS NEAR CLEARFIELD 6NW |
| KZAP1 | KINZUA RAWS NEAR WARREN 4NNW |
| LATP1 | LOYALHANNA CREEK AT LATROBE |
| LAWP1 | LAWTON RAIN |
| LECP1 | LECONTES MILLS RAIN |
| LGVP1 | SCHUYLKILL RIVER AT LANDINGVILLE |
| LHDP1 | LOYALHANNA CREEK AT LOYALHANNA DAM |
| LHTP1 | LEHIGH RIVER AT LEHIGHTON |
| LHVP1 | WEST BRANCH SUSQUEHANNA RIVER AT LOCK HAVEN |
| LIGP1 | LIGONIER 1NW |
| LNCP1 | CONESTOGA RIVER NEAR LANCASTER 1E |
| LNGP1 | NESHAMINY CREEK NEAR LANGHORNE 2W |
| LOLP1 | LOCH LOMOND RAWS NEAR DINGMANS FERRY 1SW |
| LOYP1 | LOYALSOCK CREEK AT LOYALSOCKVILLE |
| LPNP1 | TUNKHANNOCK CREEK NEAR LONG POND 3W |
| LVLP1 | WEST BRANCH FRENCH CREEK NEAR LOWVILLE |
| LWBP1 | WEST BRANCH SUSQUEHANNA RIVER AT LEWISBURG |
| LWSP1 | JUNIATA RIVER AT LEWISTOWN |
| LWVP1 | COWANESQUE RIVER NEAR LAWRENCEVILLE |
| LYCP1 | LYCOMING CREEK NEAR WILLIAMSPORT 3NW |
| LYLP1 | LOYALHANNA DAM NEAR SALTSBURG 3S |
| LYNP1 | TIONESTA CREEK AT LYNCH |
| LYVP1 | BIXLER RUN NEAR LOYSVILLE 4W |
| MAFP1 | MAHAFFEY RAIN |
| MAKP1 | CASSELMAN RIVER AT MARKLETON |
| MANP1 | WEST CONEWAGO CREEK NEAR MANCHESTER 2N |
| MAXP1 | MONONGAHELA RIVER AT MAXWELL DAM NEAR BROWNSVILLE 4WSW |
| MBGP1 | COREY CREEK NEAR MAINESBURG 1WNW |
| MBYP1 | CROOKED CREEK AT MIDDLEBURY CENTER |
| MCAP1 | MCALLISTERVILLE 2NE RAIN |
| MCRP1 | LITTLE MAHONING CREEK AT MCCORMICK |
| MCXP1 | MOSCOW RAIN |
| MDRP1 | GROUNDWATER WELL (JE 425) IN SNYDER TOWNSHIP NEAR MANNERS DAM RUN NEAR BROCKWAY 5NE |
| MEAP1 | WOODCOCK RESERVOIR NEAR MEADVILLE 5NNE |
| MEDP1 | FRENCH CREEK AT MEADVILLE |
| MFDP1 | TIOGA RIVER NEAR MANSFIELD 1S |
| MFFP1 | RACCOON CREEK AT MOFFATTS MILL |
| MFGP1 | PEQUEA CREEL AT MARTIC FORGE |
| MGYP1 | OHIO RIVER AT MONTGOMERY LOCK AND DAM NEAR INDUSTRY 1ENE |
| MHDP1 | MAHONING DAM OUTFLOW NEAR MAHONING 2SE |
| MHGP1 | MAHONING LAKE NEAR PUTNEYVILLE 3SE |
| MHPP1 | SUSQUEHANNA RIVER AT MESHOPPEN |
| MNCP1 | MARION CENTER RAIN |
| MNSP1 | BRODHEAD CREEK AT MINISINK HILLS |
| MNTP1 | BEECH CREEK AT MONUMENT |
| MNYP1 | MUNCY CREEK NEAR MUNCY 2E |
| MODP1 | WEST BRANCH BRANDYWINE CREEK AT MODENA |
| MONP1 | TOWANDA CREEK NEAR MONROETON 1SW |
| MOSP1 | ALLEGHENY RIVER AT LOCK AND DAM #8 NEAR TEMPLETON |
| MOXP1 | MONROETON RAIN |
| MPLP1 | JUNIATA RIVER AT MAPLETON DEPOT |
| MRAP1 | TENMILE CREEK NEAR MARIANNA 1E |
| MRGP1 | MERCER 1E |
| MRTP1 | SUSQUEHANNA RIVER AT MARIETTA |
| MSBP1 | BALD EAGLE CREEK BELOW SPRING CREEK AT MILESBURG |
| MSCP1 | SPRING CREEK AT MILESBURG |
| MTJP1 | MOUNT JEWETT 1WNW |
| MTKP1 | MOUNTAIN CREEK NEAR PINE GROVE |
| MTLP1 | SWATARA CREEK AT MIDDLETOWN |
| MTMP1 | DELAWARE RIVER NEAR MATAMORAS |
| MYDP1 | MEYERSDALE 2SSE |
| MYLP1 | BIG SPRING RUN NEAR MYLIN CORNERS |
| NATP1 | ALLEGHENY RIVER AT LOCK & DAM 4 NEAR NATRONA 1N |
| NBFP1 | NEWPORT 2SW RAIN |
| NBKP1 | BROAD RUN AT NORTHBROOK NEAR MARSHELTON 2S |
| NBSP1 | NORTH BRANCH SUGAR CREEK TRIBUTARY NEAR COLUMBIA CROSS ROADS 1WNW |
| NCSP1 | SHENANGO RIVER NEAR NEW CASTLE 1N |
| NEBP1 | NORTH BRANCH NESHAMINY CREEK BELOW LAKE GALENA NEAR NEW BRITAIN 1.5W |
| NEEP1 | TONOLOWAY CREEK NEAR NEEDMORE 3.5N |
| NHPP1 | DELAWARE RIVER AT NEW HOPE LAMBERTVILLE FREE BRIDGE |
| NOXP1 | NOXEN RAIN GAUGE NEAR WILKES BARRE 15NW |
| NPTP1 | JUNIATA RIVER AT NEWPORT |
| NRSP1 | SCHUYLKILL RIVER AT NORRISTOWN |
| NSHP1 | LITTLE NESHAMINY CREEK AT VALLEY ROAD NEAR NESHAMINY 1E |
| NTSP1 | CRUM CREEK NEAR NEWTOWN SQUARE 2W |
| NUTP1 | WALNUT CREEK UPSTREAM POOL NEAR ERIE |
| OFRP1 | LACKAWANNA RIVER AT OLD FORGE |
| OLDP1 | OLD MOUNTAIN RAWS |
| OPLP1 | YOUGHIOGHENY RIVER NEAR OHIOPYLE 1SSW |
| ORWP1 | ROME NEAR ORWELL 2WSW |
| PADP1 | SCHUYLKILL RIVER AT FAIRMOUNT DAM AT PHILADELPHIA |
| PALP1 | ALLEGHENY RIVER AT PORT ALLEGANY |
| PARP1 | ALLEGHENY RIVER AT PARKER |
| PEPP1 | NESHAMINY CREEK NEAR PENNS PARK |
| PGVP1 | SWATARA CREEK AT SEWAGE TREATMENT PLANT NEAR PINE GROVE 1SW |
| PHAP1 | WISSAHICKON CREEK AT MOUTH AT PHILADELHPIA |
| PKIP1 | LACKAWANNA RIVER BELOW LEGGETTS CREEK AT SCRANTON |
| PLLP1 | PENNYPACK CREEK AT LOWER RHAWN STREET BRIDGE IN PHILADELPHIA |
| PLVP1 | BLUE MARSH LAKE AT LEESPORT |
| PLXP1 | PLEASANT MOUNT 1NW RAIN |
| PMRP1 | MONONGAHELA RIVER AT POINT MARION DAM NEAR TAYLORTOWN 4ESE |
| PMTP1 | PROMPTON DAM AT PROMPTON |
| PNCP1 | PENNS CREEK AT PENNS CREEK |
| PNDP1 | CLARION RIVER AT PINEY DAM OUTFOW NEAR CLARION 3SW |
| PNEP1 | PINE CREEK AT ETNA |
| PNFP1 | PARKER DAM STATE PARK NEAR PENFIELD |
| POQP1 | POQUESSING CREEK AT GRANT AVE IN PHILADELPHIA |
| PORP1 | TUSCARORA CREEK NEAR PORT ROYAL 2SW |
| POXP1 | FRENCH CREEK NEAR PHOENIXVILLE 4.5NW |
| PRMP1 | WEST BRANCH LACKAWAXEN RIVER AT PROMPTON |
| PRRP1 | POHOPOCO CREEK BELOW BELTZVILLE DAM NEAR PARRYVILLE 2NE |
| PRTP1 | AQUASHICOLA CREEK AT PALMERTON |
| PRVP1 | MUDDY CREEK NEAR PORTERSVILLE 3NNE |
| PRYP1 | BELTZVILLE LAKE AT PARRYVILLE |
| PSVP1 | TOHICKON CREEK NEAR PIPERSVILLE 1.5N |
| PTNP1 | SCHUYLKILL RIVER AT POTTSTOWN |
| PTTP1 | OHIO RIVER AT PITTSBURGH |
| PXSP1 | MAHONING CREEK NEAR PUNXSUTAWNEY 2SW |
| PXTP1 | PUNXSUTAWNEY 2SE |
| QTRP1 | QUARRY TRAIL RAWS |
| RALP1 | RALSTON RAIN |
| RASP1 | SEVENMILE RUN NEAR RASSELAS 3NE |
| RDRP1 | SCHUYLKILL RIVER AT READING |
| RDYP1 | CLARION RIVER NEAR RIDGWAY 1NE |
| RECP1 | LINN RUN AT LINN RUN STATE PARK NEAR RECTOR 2S |
| REEP1 | KISHACOQUILLAS CREEK AT REEDSVILLE |
| RIDP1 | RIDLEY CREEK AT MEDIA |
| RMRP1 | ALLEGHENY RIVER AT LOCK #9 NEAR RIMER 2NW |
| RNOP1 | YOUNG WOMANS CREEK NEAR RENOVO 5NE |
| RONP1 | PEQUEA CREEK NEAR RONKS |
| ROQP1 | NPUPDE ROWLAND BRIDGE WATER QUALITY |
| ROSP1 | OIL CREEK AT ROUSEVILLE |
| ROVP1 | WEST BRANCH SUSQUEHANNA RIVER AT RENOVO |
| ROWP1 | LACKAWAXEN RIVER NEAR ROWLAND 1E |
| ROXP1 | ROXBURY RAIN |
| RSSP1 | CONEWANGO CREEK AT RUSSELL |
| RTBP1 | RAYSTOWN BRANCH JUNIATA RIVER BELOW RAYSTOWN LAKE NEAR HUNTINGDON 4SSE |
| RTDP1 | RAYSTOWN LAKE NEAR HUNTINGTON 4S |
| RUSP1 | NESHAMINY CREEK NEAR RUSHLAND |
| SBYP1 | SUSQUEHANNA RIVER AT SUNBURY |
| SCLP1 | SHAWNEE STATE PARK NEAR SCHELLSBURG 2S |
| SFFP1 | FIRST FORK SINNEMAHONING CREEK NEAR SINNEMAHONING 7.5NE |
| SGVP1 | CODORUS CREEK AT SPRING GROVE |
| SHDP1 | SHENANGO DAM OUTFLOW NEAR SHARPSVILLE |
| SHNP1 | OSWAYO CREEK AT SHINGLEHOUSE |
| SHOP1 | BUSH KILL AT SHOEMAKERS |
| SHPP1 | SHENANGO DAM NEAR SHARPSVILLE 4NNE |
| SHRP1 | ALLEGHENY RIVER AT LOCK 2 SHARPSBURG DAM NEAR SHARPSBURG 1SE |
| SHXP1 | SHUNK 1E RAIN |
| SKVP1 | WHITE CLAY CREEK NEAR STRICKERSVILLE 1.5NE |
| SLPP1 | SLIPPERY ROCK STATE COLLEGE NEAR SLIPPERY ROCK 1NE |
| SLYP1 | AUGHWICK CREEK NEAR SHIRLEYSBURG 1SW |
| SMDP1 | SHERMANS CREEK AT SHERMANS DALE |
| SMPP1 | POTATO CREEK NEAR SMETHPORT 1E |
| SMSP1 | SOMERSET 1SSW |
| SMYP1 | ST MARYS 6E |
| SNCP1 | REDBANK CREEK AT ST CHARLES |
| SNLP1 | SANDY LAKE |
| SNNP1 | SINNEMAHONING CREEK AT SINNEMAHONING |
| SNOP1 | SNOW SHOE RAIN |
| SNPP1 | DUNKARD CREEK AT SHANNOPIN |
| SNVP1 | JORDAN CREEK NEAR SCHNECKSVILLE 1SW |
| SONP1 | MUNCY CREEK NEAR SONESTOWN 1E |
| SPGP1 | MANATAWNY CREEK NEAR SPANGEVILLE 1S |
| SPKP1 | LITTLE JUNIATA RIVER AT SPRUCE CREEK |
| SQXP1 | SUSQUEHANNA RAIN |
| SRRP1 | DRIFTWOOD BRANCH SINNEMAHONING CREEK AT STERLING RUN |
| STBP1 | POCONO CREEK ABOVE WIGWAM RUN NEAR STROUDSBURG |
| STDP1 | LEHIGH RIVER AT STODDARTSVILLE |
| STIP1 | STILLWATER LAKE NEAR FOREST CITY 4N |
| STSP1 | YOUGHIOGHENY RIVER NEAR SUTERSVILLE 1NW |
| STVP1 | GEORGE B STEVENSON LAKE NEAR SINNEMAHONING 8NE |
| SUCP1 | SUGAR CREEK AT WEST BURLINGTON |
| SWDP1 | CONEMAUGH RIVER AT SEWARD |
| SWTP1 | SWIFTWATER CREEK AT SWIFTWATER |
| SWVP1 | EAST BRANCH PERKIOMEN CREEK NEAR SCHWENKSVILLE 2E |
| SXTP1 | RAYSTOWN BRANCH JUNIATA RIVER AT SAXTON |
| SYDP1 | FOSTER JOSEPH SAYERS DAM NEAR BEECH CREEK NEAR BLANCHARD 1S |
| SZRP1 | SIZERVILLE |
| TACP1 | TACONY CREEK AT PHILADELPHIA COUNTY LINE |
| TATP1 | BUSHKILL CREEK ABOVE RT 33 BRIDGE AT TATAMY |
| TBYP1 | TOBYHANNA CREEK NEAR BLAKESLEE 1.5SW |
| TCFP1 | TOWANDA CREEK NEAR FRANKLINDALE 1W |
| TGAP1 | TIOGA LAKE AT TIOGA |
| TGHP1 | HAMMOND LAKE NEAR TIOGA |
| TGJP1 | TIOGA RIVER AT TIOGA JUNCTION |
| TGRP1 | TIOGA RIVER AT TIOGA |
| TIOP1 | POOL ON TIONESTA CREEK AT TIONESTA DAM NEAR TIONESTA 2SE |
| TNKP1 | TUNKHANNOCK CREEK NEAR TUNKHANNOCK 3NE |
| TNTP1 | TIONESTA DAM OUTFLOW NEAR TIONESTA 1SE |
| TOWP1 | SUSQUEHANNA RIVER AT TOWANDA |
| TQAP1 | LITTLE SCHUYLKILL RIVER AT TAMAQUA |
| TRLP1 | LYCOMING CREEK NEAR TROUT RUN 3NE |
| TRNP1 | SHENANGO RIVER NEAR TRANSFER 2NE |
| TRXP1 | RAIN GAGE AT TROY |
| TTKP1 | THOMPSON RUN AT TURTLE CREEK |
| TTYP1 | TITUSVILLE 1SE |
| TULP1 | TULPEHOCKEN CREEK NEAR READING 3.5NW |
| UCDP1 | UNION CITY DAM OUTFLOW (FRENCH CREEK) NEAR UNION CITY 3WNW |
| UCTP1 | FRENCH CREEK RESERVOIR NEAR UNION CITY |
| UNLP1 | UNIONVILLE RAIN |
| URSP1 | LAUREL HILL CREEK AT URSINA |
| UTCP1 | FRENCH CREEK AT UTICA |
| VFGP1 | VALLEY CREEK NEAR VALLEY FORGE |
| VGFP1 | KISKIMINETAS RIVER AT VANDERGRIFT |
| VTTP1 | WELL VE-57 IN VICTORY TOWNSHIP NEAR POLK 3SSE |
| WAHP1 | CHARTIERS CREEK NEAR WASHINGTON 1W |
| WANP1 | ANTIETAM CREEK NEAR WAYNESBORO 2SW |
| WAPP1 | WAPWALLOPEN CREEK NEAR WAPWALLOPEN 2SE |
| WARP1 | EAST FORK SINNEMAHONING AT WHARTON TOWNSHIP |
| WBRP1 | SUSQUEHANNA RIVER (LOW FLOW) AT WILKES BARRE |
| WCCP1 | WEST CONEWAGO CREEK AT EAST BERLIN |
| WCDP1 | WOODCOCK DAM OUTFLOW NEAR MEADVILLE 5NNE |
| WCXP1 | WEST BRANCH CLARION RIVER AT WILCOX |
| WESP1 | KETTLE CREEK NEAR WESTPORT |
| WFDP1 | COWANESQUE RIVER AT WESTFIELD |
| WFTP1 | WELL AR 109 IN WEST FRIENDSHIP NEAR COWANSVILLE 3W |
| WFXP1 | WESTFIELD 1E RAIN |
| WGNP1 | BIRCH RUN NEAR WAGONTOWN 1NW |
| WHKP1 | ALLEGHENY RIVER AT WEST HICKORY |
| WHNP1 | F.E.WALTER DAM ON LEHIGH RIVER NEAR WHITE HAVEN 4NE |
| WHRP1 | FIRST FORK SINNEMAHONING CREEK AT WHARTON |
| WHTP1 | LEHIGH RIVER NEAR WHITE HAVEN 4NE |
| WIBP1 | FRANKSTOWN BRANCH JUNIATA RIVER AT WILLIAMSBURG |
| WILP1 | WEST BRANCH SUSQUEHANNA RIVER AT WILLIAMSPORT |
| WLFP1 | WOLF POND RAWS NEAR ELIZABETHVILLE 3SE |
| WLTP1 | REDSTONE CREEK AT WALTERSBURG |
| WNTP1 | LEHIGH RIVER AT WALNUTPORT |
| WPMP1 | BEAVER RIVER AT WAMPUM 1SE |
| WRDP1 | TURTLE CREEK AT WILMERDING |
| WRRP1 | ALLEGHENY RIVER AT WARREN |
| WTTP1 | FRENCH CREEK NEAR WATTSBURG 1.5NE |
| WTVP1 | PINE CREEK NEAR WATERVILLE 3SE |
| WURP1 | SLIPPERY ROCK CREEK NEAR WURTEMBURG 2NNE |
| WVQP1 | CHILLISQUAQUE CREEK NEAR WASHINGTONVILLE 1N |
| WXFP1 | ALLEGHENY COUNTY OBSERVATION WELL IN MARSHALL TOWNSHIP NEAR |
| YGBP1 | YOUGHIOGHENY POOL (BUTTONHOOK) AT CONFLUENCE |
| YGOP1 | YOUGHIOGHENY DAM OUTFLOW NEAR CONFLUENCE 1SW |
| YOUP1 | YOUGHIOGHENY LAKE POOL NEAR CONFLUENCE |
| YRCP1 | CODOROUS CREEK AT YORK |
| YRKP1 | INDIAN ROCK DAM NEAR YORK 3SSW |
| YVLP1 | BROKENSTRAW CREEK AT YOUNGSVILLE |
| ZLPP1 | CONNOQUENESSING CREEK NEAR ZELIENOPLE 6W |