| NWSLI | Location Description |
| ABSN4 | ABSECON CREEK AT ABSECON |
| ALCN4 | INSIDE THOROFARE AT ATLANTIC CITY |
| ALLN4 | MANASQUAN RIVER NEAR ALLENWOOD |
| ASCN4 | ABSECON CREEK AT US ROUTE 30 AT ABSECON |
| ATLN4 | ABSECON CHANNEL AT ATLANTIC CITY |
| AVLN4 | INGRAM THOROFARE AT AVALON |
| AWON4 | WANAQUE RIVER AT AWOSTING |
| BANN4 | GREAT EGG HARBOR RIVER NEAR BLUE ANCHOR |
| BATN4 | MULLICA RIVER NEAR BATSTO |
| BBBN4 | BEAVER BROOK NEAR BELVIDERE |
| BBMN4 | BIG BROOK NEAR MARLBORO 2E |
| BDBN4 | MIDDLE BROOK AT BOUND BROOK |
| BDKN4 | RARITAN RIVER BELOW CALCO DAM AT BOUND BROOK |
| BETN4 | PASSAIC RIVER ABOVE BEATTIES DAM AT LITTLE FALLS |
| BGLN4 | BARNEGAT INLET AT BARNEGAT LIGHT |
| BIGN4 | BIG FLAT BROOK NEAR HAINESVILLE |
| BKWN4 | MILLSTONE RIVER AT BLACKWELLS MILLS NEAR MILLSTONE 3S |
| BLAN4 | ANCORA HOSPITAL RAWS AT BLUE ANCHOR |
| BLBN4 | MUSCONETCONG RIVER NEAR BLOOMSBURY |
| BLMN4 | SHARK RIVER AT BELMAR |
| BLRN4 | PAULINS KILL AT BLAIRSTOWN |
| BMDN4 | PIKE RUN AT BELLE MEAD |
| BMRN4 | NORTH BRANCH RARITAN RIVER AT BEDMINSTER |
| BOKN4 | OYSTER CREEK NEAR BROOKVILLE |
| BONN4 | ROCKAWAY RIVER BELOW RESERVOIR NEAR BOONTON 5NW |
| BOON4 | BOONTON RESERVOIR AT BOONTON |
| BOTN4 | ROCKAWAY RIVER AT MAIN STREET AT BOONTON |
| BRLN4 | FRANKLIN POND CREEK AT BEAVER LAKE AT HARDYSTON |
| BSRN4 | BARNEGAT BAY AT SEASIDE HEIGHTS |
| BTMN4 | LAMINGTON RIVER AT BURNT MILLS |
| BVDN4 | DELAWARE RIVER AT BELVIDERE |
| BVLN4 | ROCKAWAY RIVER AT NJ 15 NEAR BERKSHIRE VALLEY 1N |
| BVVN4 | MAURICE RIVER AT BIVALVE |
| CALN4 | TEETERTOWN RAWS NEAR CALIFON 4NW |
| CAMN4 | PASSAIC RIVER NEAR CHATHAM |
| CAPN4 | CAPE MAY HARBOR AT CAPE MAY |
| CHRN4 | SOUTH BRANCH PENSAUKEN CREEK AT CHERRY HILL |
| CLAN4 | LITTLE EASE RUN NEAR CLAYTON 1E |
| CLKN4 | ASSUNPINK CREEK NEAR CLARKSVILLE |
| CLNN4 | MULHOCKAWAY CREEK AT VAN SYCKEL NEAR CLINTON 2W |
| CTWN4 | COYLE FIELD RAWS NEAR CHATSWORTH 5E |
| DDCN4 | PASSAIC RIVER AT CLIFTON |
| DEAN4 | NEW MIDDLESEX COUNTY RAWS |
| DRCN4 | DELAWARE AND RARITAN CANAL AT PORT MERCER |
| DVRN4 | ROCKAWAY RIVER AT WARREN STREET AT DOVER |
| EBRN4 | EAST BRANCH RAHWAY RIVER AT MILLBURN AVENUE AT MILLBURN |
| ESTN4 | DELAWARE RIVER AT EASTON/PHILLIPSBURG BRIDGE |
| EWGN4 | SHABAKUNK CREEK AT SYLVIA LAKE AT EWINGVILLE |
| EXTN4 | CROSSWICKS CREEK AT EXTONVILLE |
| FARN4 | NORTH BRANCH RARITAN RIVER NEAR FAR HILLS |
| FBRN4 | SOUTH BRANCH RARITAN RIVER AT FOUR BRIDGES |
| FHLN4 | FAR HILLS UNHEATED RAIN |
| FLAN4 | FLAT BROOK NEAR FLATBROOKVILLE |
| FLNN4 | FLANDERS BROOK AT US 206 AT FLANDERS |
| FREN4 | DELAWARE RIVER AT FRENCHTOWN |
| GBKN4 | GREEN BROOK AT SEELEY MILLS |
| GEHN4 | GREAT EGG HARBOR RIVER AT FOLSOM |
| GPJN4 | PEQUANNOCK RIVER AT GREEN JUNCTION AT WEST MILFORD |
| GRBN4 | GREEN BROOK AT ROCK AVE AT PLAINFIELD |
| GRWN4 | COHANSEY RIVER AT GREENWICH |
| GTNN4 | MILLSTONE RIVER AT GRIGGSTOWN |
| HAMN4 | ROYCE BROOK AT HAMILTON ROAD AT HILLSBOROUGH |
| HBRN4 | SOUTH BRANCH RARITAN RIVER NEAR HIGH BRIDGE |
| HDDN4 | COOPER RIVER AT HADDONFIELD |
| HOHN4 | HOHOKUS BROOK AT HOHOKUS |
| HRRN4 | OSWEGO RIVER AT HARRISONVILLE |
| HUNN4 | PEQUEST RIVER AT HUNTSVILLE |
| INDN4 | SHAMONG RAIN NEAR INDIAN MILLS 1W |
| IWPN4 | NORTH BRANCH RANCOCAS CREEK AT IRON WORKS PARK AT MOUNT HOLLY |
| JACN4 | JACKSON RAWS |
| JCQN4 | NERRS WATER QUALITY SITE JACQUES COUSTEAU RESERVE IN TUCKERTON |
| JCRN4 | NERRS METEOROLOGICAL SITE AT NACOTE CREEK JACQUES COUSTEAU NEAR TUCKERTON |
| JCTN4 | NERRS WATER QUALITY SITE JACQUES COUSTEAU RESERVE NEAR TUCKERTON |
| JENN4 | WEST BRANCH WADING RIVER NEAR JENKINS |
| KENN4 | RAHWAY RIVER AT KENILWORTH |
| KSBN4 | RARITAN BAY AT OUTER GATE AT KEANSBURG |
| LABN4 | LAWRENCE BROOK AT WESTON MILLS |
| LAFN4 | EAST BRANCH PAULINS KILL NEAR LAFAYETTE |
| LAKN4 | MUSCONETCONG RIVER AT OUTLET OF LAKE HOPATCONG |
| LANN4 | CEDAR CREEK AT WESTERN BLVD NEAR LANOKA HARBOR |
| LAWN4 | NORTH BRANCH METEDECONK RIVER NEAR LAKEWOOD |
| LKDN4 | SOUTH BRANCH METEDECONK RIVER AT NEW HAMPSHIRE AVE NEAR LAKEWOOD |
| LNPN4 | BEAVER DAM BROOK AT LINCOLN PARK |
| LOCN4 | LOCKATONG CREEK AT RAVEN ROCK |
| LODN4 | SADDLE RIVER AT LODI |
| LTFN4 | PASSAIC RIVER AT LITTLE FALLS |
| MANN4 | MILL CREEK AT MANAHAWKIN |
| MAWN4 | RAMAPO RIVER AT MAHWAH |
| MCDN4 | MCDONALDS BRANCH IN LEBANON STATE FOREST NEAR WHITESBOG 4S |
| MCPN4 | PEQUANNOCK RIVER AT MACOPIN DAM |
| MDBN4 | MIDDLE BROOK AT BURNT MILLS |
| MDSN4 | BOUND BROOK AT MIDDLESEX |
| MEDN4 | SOUTHWEST BRANCH RANCOCAS CREEK AT MEDFORD |
| MERN4 | ASSUNPINK CREEK BELOW STP NEAR MERCERVILLE 2NW |
| MGTN4 | BEACH THOROFARE AT MARGATE |
| MIBN4 | MILL BROOK AT HWY 10 AT VICTORY GARDENS |
| MIDN4 | MIDDLEBUSH UNHEATED RAIN |
| MILN4 | PASSAIC RIVER NEAR MILLINGTON |
| MITN4 | MILLSTONE RIVER AT MILLSTONE |
| MNVN4 | RARITAN RIVER NEAR MANVILLE 1NE |
| MOLN4 | MOLLY ANN BROOK AT NORTH HALEDON |
| MPLN4 | EAST BRANCH RAHWAY RIVER AT MAPLEWOOD |
| MRTN4 | WEST BRANCH MIDDLE BROOK AT MARTINSVILLE |
| MTGN4 | DELAWARE RIVER AT MONTAGUE |
| MTLN4 | BARNEGAT BAY AT MANTOLOKING |
| MTSN4 | MOUNTAINSIDE UNHEATED RAIN |
| NBAN4 | NORTH BRANCH RARITAN RIVER AT NORTH BRANCH |
| NEPN4 | SHARK RIVER NEAR NEPTUNE CITY |
| NESN4 | NESHANIC RAIN |
| NFLN4 | PEQUANNOCK RIVER AT NJ ROUTE 23 AT NEWFOUNDLAND |
| NGTN4 | EAST BRANCH BASS RIVER NEAR NEW GRETNA 2N |
| NLBN4 | GREENWOOD BRANCH AT NEW LISBON |
| NMLN4 | HACKENSACK RIVER AT NEW MILFORD |
| NORN4 | MAURICE RIVER AT NORMA |
| NSNN4 | SOUTH BRANCH RARITAN RIVER AT BLACK POINT RD |
| NTTN4 | JUMPING BROOK AT NEPTUNE CITY |
| NWKN4 | PASSAIC RIVER AT PVSA AT NEWARK |
| NWWN4 | BEACH CREEK AT NORTH WILDWOOD |
| OCVN4 | FORSYTHE WILDLIFE REFUGE RAWS NEAR OCEANVILLE |
| ODBN4 | DEEP RUN AT OLD BRIDGE |
| OKLN4 | RAMAPO RIVER AT WEST OAKLAND AVE AT OAKLAND |
| ONCN4 | GREAT EGG HARBOR BAY AT OCEAN CITY |
| ORAN4 | ORANGE RESERVOIR RAIN GAGE AT WEST ORANGE |
| ORGN4 | PEQUANNOCK RIVER AT OAK RIDGE |
| PATN4 | PASSAIC RIVER AT PASSAIC FALLS AT PATTERSON |
| PCTN4 | STONY BROOK AT PRINCETON |
| PEBN4 | NORTH BRANCH RANCOCAS CREEK AT PEMBERTON |
| PEKN4 | PECKMAN RIVER AT LITTLE FALLS |
| PELN4 | PAPAKATING CREEK AT PELLETTOWN |
| PICN4 | GREEN POND BROOK AT PICATINNY ARSENAL |
| PIKN4 | GREEN POND BROOK BELOW LAKE PICATINNY AT ROCKAWAY |
| PINN4 | PASSAIC RIVER AT PINE BROOK |
| PITN4 | MANTUA CREEK AT EAST HOLLY AVENUE AT PITMAN |
| PKRN4 | PASCACK BROOK AT PARK RIDGE |
| PLUN4 | RAMAPO RIVER ABOVE DAM AT POMPTON LAKES |
| PMPN4 | RAMAPO RIVER AT LAKESIDE AVE AT POMPTON LAKES |
| PMRN4 | DELAWARE AND RARITAN CANAL AT PORT MERCER NEAR LAWRENCE 2E |
| PNBN4 | WHIPPANY RIVER NEAR PINE BROOK |
| POMN4 | RAMAPO RIVER AT DAWS HIGHWAY AT POMPTON LAKES |
| POTN4 | POTTERSVILLE UNHEATED RAIN |
| PPPN4 | POMPTON RIVER AT POMPTON PLAINS |
| PPTN4 | RAMAPO RIVER AT POMPTON LAKES |
| PQNN4 | PEQUANNOCK RIVER AT HWY 23 NEAR NEWFOUNDLAND |
| PQTN4 | PEQUEST RIVER AT PEQUEST |
| PTPN4 | MANASQUAN RIVER AT POINT PLEASANT |
| PTVN4 | LAMINGTON RIVER NEAR POTTERSVILLE 1NW |
| PWRN4 | LOPATCONG CREEK AT PORT WARREN |
| RBRN4 | ROBINSONS BRANCH AT RAHWAY |
| RDBN4 | SWIMMING RIVER NEAR RED BANK |
| RDLN4 | PEQUANNOCK RIVER AT RIVERDALE |
| REAN4 | NESHANIC RIVER AT REAVILLE |
| RGLN4 | DELAWARE RIVER AT RIEGELSVILLE |
| RINN4 | RINGWOOD RAWS |
| RIVN4 | HACKENSACK RIVER AT RIVERVALE |
| RRTN4 | NORTH BRANCH RARITAN RIVER NEAR RARITAN |
| RWCN4 | RINGWOOD CREEK NEAR WANAQUE |
| RWDN4 | SADDLE RIVER AT RIDGEWOOD |
| RWYN4 | RAHWAY RIVER AT RAHWAY |
| SABN4 | RARITAN RIVER AT SOUTH AMBOY |
| SADN4 | SADDLE RIVER AT UPPER SADDLE RIVER |
| SAMN4 | MANASQUAN RIVER AT SQUANKUM |
| SBIN4 | SHREWSBURY RIVER AT SEA BRIGHT |
| SBNN4 | SOUTH BRANCH RARITAN RIVER AT SOUTH BRANCH |
| SBRN4 | NORTH BRANCH RARITAN RIVER AT SOUTH BRANCH |
| SBTN4 | EAST THOROFARE AT SHIP BOTTOM |
| SDNN4 | SLUICE CREEK AT SOUTH DENNIS |
| SEEN4 | COHANSEY RIVER AT SEELEY |
| SHBN4 | GREAT CHANNEL AT STONE HARBOR |
| SICN4 | LUDLAM THOROFARE AT SEA ISLE CITY |
| SKIN4 | NORTH PRINCETON DEVELOPMENT CENTER RAIN GAGE |
| SMVN4 | PETERS BROOK AT MERCER STREET AT SOMERVILLE |
| SPGN4 | RAHWAY RIVER NEAR SPRINGFIELD 2NW |
| SPTN4 | MANALAPAN BROOK AT SPOTSWOOD |
| SRAN4 | SOUTH BRANCH RARITAN RIVER AT BUDD LAKE |
| SRCN4 | SPRUCE RUN AT CLINTON |
| SRGN4 | SPRUCE RUN AT GLEN GARDNER |
| SRRN4 | SPRUCE RUN RESERVOIR AT CLINTON |
| STBN4 | STONY BROOK AT NORTH PLAINFIELD |
| STFN4 | WESTECUNK CREEK AT STAFFORD FORGE |
| STKN4 | DELAWARE RIVER AT STOCKTON |
| STTN4 | SOUTH BRANCH RARITAN RIVER AT STANTON |
| SVLN4 | GREAT EGG HARBOR RIVER NEAR SICKLERVILLE |
| SWBN4 | RACCOON CREEK NEAR SWEDESBORO |
| TACN4 | ASSUNPINK CREEK AT TRENTON |
| THRN4 | THIRD RIVER AT BLOOMFIELD |
| TKSN4 | DELAWARE RIVER BELOW TOCKS ISLAND |
| TKTN4 | LITTLE EGG INLET NEAR TUCKERTON |
| TMRN4 | TOMS RIVER NEAR TOMS RIVER 3NW |
| TREN4 | DELAWARE RIVER AT TRENTON |
| TTWN4 | DELAWARE RIVER WATER QUALITY AT TRENTON |
| TUKN4 | TUCKAHOE RIVER AT HEAD OF TIDE NEAR TUCKAHOE 4W |
| TWBN4 | PASSAIC RIVER BELOW POMPTON RIVER AT TWO BRIDGES |
| URSN4 | ELIZABETH RIVER AT URSINO LAKE IN ELIZABETH |
| VNCN4 | SOUTH BRANCH RANCOCAS CREEK AT VINCENTOWN |
| VRON4 | PECKMAN RIVER AT OZONE AVE AT VERONA |
| WALN4 | WALLKILL RAWS NEAR OWENS 1NW |
| WASN4 | DELAWARE RIVER AT WASHINGTON CROSSING |
| WATN4 | BARNEGAT BAY AT WARETOWN |
| WBRN4 | WEST BRANCH RAHWAY RIVER AT MILLBURN |
| WBWN4 | WEST BROOK NEAR WANAQUE |
| WDTN4 | SALEM RIVER AT WOODSTOWN |
| WETN4 | MILLSTONE RIVER AT WESTON |
| WHIN4 | WHIPPANY RIVER AT MORRISTOWN |
| WHPN4 | WHIPPANY RIVER NEAR MORRISTOWN |
| WHTN4 | SOUTH BRANCH ROCKAWAY CREEK AT WHITEHOUSE STATION |
| WNQN4 | WANAQUE RIVER AT RAYMOND DAM AT WANAQUE |
| WOBN4 | WOODBINE RAWS |
| WODN4 | WOODCLIFF LAKE AT HILLSDALE |
| WOON4 | WOODCLIFF LAKE OUTLET AT HILLSDALE |
| WRDN4 | WANAQUE RESERVOIR AT WANAQUE |
| WSDN4 | PASCACK BROOK AT WESTWOOD |
| WTCN4 | STONY BROOK AT WATCHUNG |
| YRDN4 | YARDS CREEK NEAR BLAIRSTOWN |