ML072050058

USGS: Aquifer and Well Characteristics in New Jersey

ML072050058
Person / Time
Site:	Oyster Creek
Issue date:	10/04/2005
From:	US Dept of Interior, Geological Survey (USGS)
To:	Office of Nuclear Reactor Regulation
Davis J NRR/DLR/REBB, 415-3835
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ML072050056	List: ML072050057 ML072050058 ML072050061 ML072050068
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Table I Page 1 of 4 Aquifer and Well Characteristics in New Jersey Aquifer Name Aquifer [ Well Characteristics Remarks and Withdrawls 1 Description in 1980 Depth i (Mgal/d)

Common Common May Range Range Exceed Coastal Plain Aquifers Ground water occurs generally under water-tcble conditions. Aquifer Kirkwood- system extends from southern Cohansey Monmouth County aquifer system: to Delaware Bay Sand, quartz, 70 20-350 500- 1,500 and from 12 mi.

fine to coarse 1,000 southeast of the grained, pebbly; Delaware River to local clay beds. the Atlantic Ocean.

Unconfined. Aquifer thickness can exceed 350 ft.

Brackish and salty water may occur in coastal areas.

Principal confined Atlantic City artesian aquifer 800-foot sand: supplying water Sand, quartz, along, the barrier medium to beaches in Cape coarse grained, 20 450-950 600-800 1,000 May, Atlantic, and gravel, Ocean Codnties.

fragmented shell Aquifer thickness material.

generally ranges Confined.

between 100 and 150 ft. Water http://nj.usgs.gov/gw/table_1 .html I 0-ýkz U5145 IC06% 6/28/2007

Table I Page 2 of 4 quality suitable for most purposes.

Important confined Wenonah-Moun't aquifer in the Laurel aquifer: northeast and Sand, quartz, southwest part of slightly the Coastal Plain.

glauconitic, very 5 50-600 50-250 500 Aquifer thickness fine to coarse generally range grained, layers between 60 and of shells. 120 ft. Water Confined. quality suitable for most purposes.

Important source Englishtown of water for Ocean aquifer: Sand, and Monmouth quartz, fine to Counties. Confined medium grained, 12 50-1,000 300-500 1,000 aquifer thickness local clay beds. generally range Confined. between 60 and 140 ft. Excellent water quality.

Highly productive and most used confined aquifer in the Coastal Plain.

Aquifer system extends throughout Coastal Plain and Potomac- attains maximum thickness of 4,100 Raritan-Magothyft. Includes two aquifer system: aquiesin Alternating 243 50-1,800 500- 2,000 aquifers in layers of sand, grav 1,000 northern Coastal l, iltandPlain: Farrington gravel, silt, and and Old Bridge clay. Confined. aquifers. Salty water increases with depth and in downdip direction.

Excellent water quality but large iron concentrations in some areas.

http://nj.usgs.gov/gw/table_1 .html 6/28/2007

Table I Page 3 of 4 Non-Coastal Plain Aquifers North of terminal moraine occur Glacial valley-fill principally as aquifers: Sand, channel fill in gravel, preglacial stream interbedded silt valleys; south of and clay. moraine, as 100-Generally 10-300 2,000 outwash plains and 1,000 unconfined valley trains.

except where Important aquifers overlain by lake in Bergen. Essex silt and clay or and Morris till. Counties. Water quality suitable for most uses.

Aquifers in the Most productive Newark Group: aquifers in Essex, Shale and Passaic and Union.

sandstone: Counties. Water Shale, generally hard; sandstone, some may have large conglomerate. 30-1,500 10-500 1,500 concentrations of Unconfined to iron and sulfate.

partially Saltwater has confined in intruded areas of upper 200 ft; large ground-water confined at withdrawal near greater depth. bays and estuaries.

Valley and Ridge sedimentary units:

Highest yields from Predominantly cavernous limestone and limestones and in shale; some weathered and dolomite, fractured zone calcareous 150-400 5-500 1,500 within 300 ft. of sandstone and land surface.

siltstone, Locally excessive sandstone, iron, hardness, and conglomerate low pH.

and slate.

Confined and unconfined.

http://nj.usgs.gov/gw/tablel .html 6/28/2007

Table I Page 4 of 4 Highlands crystalline units:

Gneiss, marble, Most water quartzite, obtained from pegmatite; weathered and some schist, fractured zone in amphibolite and upper 300 ft; high granite. Includes35-800 5-50 400 yields in or near thin belts of major fault zones.

conglomerate, Excellent source of sandstone, not water for domestic significant as use in some areas.

aquifers.

Confined and unconfined.

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