| Abstract: | Increased withdrawals from the major artesian aquifers that underlie the New Jersey Coastal Plain have caused water-level declines and large regional cones of depression. These cones of depression are delineated on detailed potentiometric surface maps produced from water-level data collected in the field in 1978. Water levels for 1978 are compared with those from 1970 or 1973, and water-level changes are evaluated and compared with hydrographs from observation wells. The Potomac-Raritan-Magothy aquifer system is divided into regionally extensive lower and upper aquifers. These aquifers have large cones of depression centered in Camden, Middlesex, and Monmouth Counties. Water levels declined 5 to 20 feet in these areas between 1973 and 1978. Deep cones of depression in coastal Monmouth and Ocean Counties in the Englishtown and Wenonah-Mount Laurel aquifers are similar in location and shape, due to a good hydraulic connection between these aquifers. Water levels declined 2 to 31 feet in the Englishtown aquifer and 12 to 26 feet in the Wenonah-Mount Laurel aquifer between 1973 and 1978. Water levels in the Atlantic City 800-foot sand of the Kirkwood Formation define an extensive elongated cone of depression centered near Margate, Atlantic County. Head changes ranged from a decline of 4 feet to a recovery of 9 feet during 1970-78. The lowest heads in the Cohansey Sand were about 26 feet below sea level at Cape May, Cape May County, and less than 0.5 miles from salty ground water. (USGS) |
| Genre: | USGS Numbered Series |
| ProdID: | 30331 |
| Citation Author: | Walker, R. L. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | vi, 62 p. :ill., maps ;28 cm. |
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| Citation Publisher: | U.S. Geological Survey, |
| Citation Series: | Water-Resources Investigations Report |
| Citation Series Code: | WRI |
| Citation Series Number: | 82-4077 |
| Citation Search Results Text: | Evaluation of water levels in major aquifers of the New Jersey coastal plain, 1978; 1983; WRI; 82-4077; Walker, R. L. |
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| Citation Year: | 1983 |
| Type: | citation/reference |
| Text: | Evaluation of water levels in major aquifers of the New Jersey coastal plain, 1978; 1983; WRI; 82-4077; Walker, R. L. |
| URL (THUMBNAIL): | http://pubs.usgs.gov/wri/1982/4077/report-thumb.jpg |
| URL (DOCUMENT): | http://pubs.usgs.gov/wri/1982/4077/report.pdf |
| URL (PLATE): | http://pubs.usgs.gov/wri/1982/4077/plate-1.pdf |
| URL (PLATE): | http://pubs.usgs.gov/wri/1982/4077/plate-2.pdf |
| URL (PLATE): | http://pubs.usgs.gov/wri/1982/4077/plate-3.pdf |
| URL (PLATE): | http://pubs.usgs.gov/wri/1982/4077/plate-4.pdf |
| URL (PLATE): | http://pubs.usgs.gov/wri/1982/4077/plate-5.pdf |
| Date Other: | Sat, 1 Jan 1994 00:00 -0600 |
| Publisher: | U.S. Geological Survey, |
