ELMER SALEM BUENA SHILOH ATSION AVALON BRISTOL CANTON BEVERLY JENKINS RARITAN CAMDEN KEYPORT WHITING DOROTHY ALLOWAY MILLVILLE ADELPHIA CAPE MAY FREEHOLD NEWFIELD CASSVILLE TUCKAHOE MARMORA HOPEWELL STOCKTON WOODBINE FORTESCUE ROOSEVELT ROCKY HILL LAKEWOOD COLUMBUS MARLBORO WILDWOOD PLAINFIELD BRIDGETON PRINCETON LAKEHURST NEW EGYPT OCEAN CITY WOODBURY CEDARVILLE TUCKERTON FRANKFORD PITTSTOWN OCEANVILLE FIVE POINTS BROOKVILLE RIO GRANDE TOMS RIVER CLEMENTON WEST CREEK PEMBERTON ALLENTOWN BRIDGEPORT JAMESBURG RUNNEMEDE ARTHUR KILL GREEN BANK SANDY HOOK FLEMINGTON PORT NORRIS HEISLERVILLE SEA ISLE CITY NEW GRETNA RIEGELSVILLE PENNINGTON PITMAN EAST LUMBERVILLE HIGHTSTOWN SHIP BOTTOM INDIAN MILLS CHATSWORTH HAMMONTON WOODSTOWN ASBURY PARK FORKED RIVER PENNS GROVE BEACH HAVEN MOUNT HOLLY NEWTONVILLE FRENCHTOWN SEASIDE PARK OSWEGO LAKE PITMAN WEST ATLANTIC CITY PHILADELPHIA WOODMANSIE FARMINGDALE PERTH AMBOY LONG BRANCH BOMBAY HOOK CONEY ISLAND LAMBERTVILLE MARCUS HOOK SOUTH AMBOY MOORESTOWN BOUND BROOK THE NARROWS TRENTON EAST MAYS LANDING STONE HARBOR PLEASANTVILLE BROWNS MILLS DELAWARE CITY TRENTON WEST DIVIDING CREEK LONG BEACH NE PORT ELIZABETH KESWICK GROVE WILLIAMSTOWN TAYLORS BRIDGE MEDFORD LAKES BARNEGAT LIGHT POINT PLEASANT BEN DAVIS POINT EGG HARBOR CITY NEW BRUNSWICK BRIGANTINE INLET WILMINGTON SOUTH MONMOUTH JUNCTION DOVER ELKTON KENTON DENTON SMYRNA MILFORD CLAYTON MARYDEL CECILTON WYOMING FREDERICA MILLINGTON BURRSVILLE GOLDSBORO HARRINGTON MIDDLETOWN LITTLE CREEK NEWARK EAST SUDLERSVILLE NEWARK WEST BENNETTS PIER SAINT GEORGES MISPILLION RIVER KENNETT SQUARE WILMINGTON NORTH 9-415 5 11-737 0 9-149 16 9-71 -15 9-67 -27 29-813 -3 29-775 -1 9-526 -26 9-519 -26 9-304 -20 29-1621 -24 Villas Odessa Newark Belmar Brielle Keyport Longport Woodstown Surf City Clementon Lakehurst Middletown Mantoloking Union Beach Delaware City Harvey Cedars Wildwood Crest Seaside Heights Spring Lake Heights CECIL CAROLINE KENT Glendola Reservoir GAR DE N S TA T E P A R K W AY OCEAN BURLINGTON ATLANTIC SALEM MONMOUTH CUMBERLAND MIDDLESEX MERCER CAMDEN GLOUCESTER HUNTERDON SOMERSET UNION BUCKS DELAWARE Dover Buena Camden Avalon Berlin Trenton Matawan Marlton Lakewood Freehold Red Bank Cape May Wildwood Vineland New Egypt Eatontown Jamesburg Princeton Keansburg Millville Bridgeton Tuckerton Hammonton Glassboro Toms River Hightstown Sea Bright Sayreville Rio Grande Ocean City Brigantine Manahawkin Wilmington Spring Lake Asbury Park Long Branch Beach Haven Ship Bottom Browns Mills Stone Harbor Margate City Ventnor City Mays Landing Forked River Seaside Park New Brunswick Atlantic City Pleasantville Medford Lakes Point Pleasant East Brunswick Barnegat Light Egg Harbor City Atlantic Highlands Cape May Court House MARYLAND Delaware Bay PENNSYLVANIA DELAWARE 195 130 206 1 95 70 295 40 30 322 9 NEW JERSEY Raritan Bay NEW YORK 40 322 9 Manasquan Reservoir QUEEN ANNE'S CAPE MAY -20 -20 PHILADELPHIA U P D I P L I M I T O F C O A S T A L P L A I N S E D I M E N T S AVALON CAPE MAY TUCKAHOE MARMORA WOODBINE WILDWOOD OCEAN CITY RIO GRANDE HEISLERVILLE SEA ISLE CITY STONE HARBOR PORT ELIZABETH 9-525 -13 9-99 4 9-89 0 9-518 8 9-492 6 9-354 4 9-315 6 9-314 3 9-292 2 9-281 5 9-207 5 9-80 -4 9-78 -7 9-60 -9 9-49 -9 9-43 -9 9-505 -3 9-394 -7 9-385 -5 9-366 -1 9-301 -9 9-213 -4 9-210 -9 9-188 -5 9-180 -5 9-159 -6 9-150 -9 9-54 -16 9-48 -10 9-42 -11 9-30 -14 9-18 -14 9-11 -10 9-617 -13 9-395 -12 9-353 -11 9-74 -12 9-358 -1 Villas Longport Wildwood Crest ATLANTIC Avalon Cape May Wildwood Rio Grande Ocean City Stone Harbor Cape May Court House -10 -5 0 74°45' 75° 39°15' 39° 9-52 -17 9-310 5 9-187 -5 Delaware Bay 9-36 -15 9-27 -12 NEW CASTLE KENT SUSSEX CAPE MAY Middle Township UpperTownship Lower Township Dennis Township 0 0 4 MILES 0 9-662 13 CUMBERLAND Egg Harbor Township Hamilton Township West Cape May CMCWD LTMUA Figure 1-1. Potentiometric surface of the Cohansey aquifer, New Jersey Coastal Plain, 2008. 0 1 2 4 KILOMETERS 0 1 2 U.S. Department of the Interior U.S. Geological Survey Prepared in cooperation with the New Jersey Department of Environmental Protection Scientific Investigations Report 2013–5232 Cohansey aquifer and Rio Grande water-bearing zone—PLATE 1 DePaul, V.T., and Rosman, Robert, 2015, Water-Level Conditions in the Confined Aquifers of the New Jersey Coastal Plain, 2008 By Vincent T. DePaul and Robert Rosman 2015 7 4 ° 7 4 ° 1 5 ' 7 4 ° 3 0 ' 7 4 ° 4 5 ' 7 5 ° 7 5 ° 1 5 ' 7 5 ° 3 0 ' 7 5 ° 4 5 ' 4 0 ° 3 0 ' 4 0 ° 1 5 ' 4 0 ° 3 9 ° 4 5 ' 3 9 ° 3 0 ' 3 9 ° 1 5 ' 3 9 ° Base modified from U.S. Geological Survey digital data, 1:100,000, 1983, Universal Transverse Mercator Projection Zone 18 0 5 10 MILES 2.5 0 5 10 KILOMETERS 2.5 Potentiometric surface of the Cohansey aquifer and the Rio Grande water-bearing zone, 2008 Figure 1-2. Potentiometric surface of the Rio Grande water-bearing zone, New Jersey Coastal Plain, 2008. 7-185 -63 7-273 -56 EXPLANATION Observation well with hydrograph—Upper number is well number; lower number is water-level altitude, in feet Approximate updip limit of the Rio Grande water-bearing zone 10,000-milligram-per-liter line of equal chloride concentration (Simulated freshwater-saltwater interface, from Pope and Gordon, 1999) Outcrop of the Kirkwood Formation U.S. Geological Survey 7.5-minute quadrangle and name Altitude of potentiometric surface—Dashed where inferred. Contour interval is variable. Datum is National Geodetic Vertical Datum of 1929 (NGVD 29) 20 Production well—Upper number is well number; lower number is water-level altitude, in feet Observation well—Upper number is well number; lower number is water-level altitude, in feet Estimated location of 250-milligram-per-liter line of equal chloride concentration. Dashed where inferred (From DePaul and others, 2009; Lacombe and Rosman, 2001) Surface water freshwater-saltwater interface 9-281 5 9-49 -9 9-54 -16 EXPLANATION Observation well with hydrograph—Upper number is well number; lower number is water-level altitude, in feet U.S. Geological Survey 7.5-minute quadrangle and name Altitude of potentiometric surface—Dashed where inferred. Contour interval is variable. Datum is National Geodetic Vertical Datum of 1929 (NGVD 29) 20 Production well—Upper number is well number; lower number is water-level altitude, in feet Observation well—Upper number is well number; lower number is water-level altitude, in feet Estimated location of 250-milligram-per-liter line of equal chloride concentration. Dashed where inferred. (Modified from DePaul and others, 2009) Surface water freshwater-saltwater interface -15 AVALON ELMER 9-304 -20