HA 730-M Surficial and Northern Atlantic Coastal Plain aquifer systems, Long Island

GROUND WATER ATLAS of the UNITED STATES
Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, Vermont
HA 730-M

Surficial and Northern Atlantic Coastal Plain aquifer systems, Long Island

(figures 61-84)

Introduction (Click to view thumbnails and download figures)

Figure 61 Map showing location Long Island
Figure 62 Map showing altitiude of land surface on Long Island
Figure 63 Hydrogeologic cross section

Hydrogeology (Click to view thumbnails and download figures)

Figure 64 Correlation chart
Figure 65 Map showing structure contours
Figure 66 Photo showing crystalline bedrock
Figure 67 Map showing thickness of the Lloyd aquifer
Figure 68 Map showing thickness of the Magothy aquifer
Figure 69 Map showing thickness of the Monmouth greensand and the Jameco Gravel
Figure 70 Hydrogeologic section
Figure 71 Hydrogeologic section

Ground-water flow (Click to view thumbnails and download figures)

Figure 72 Potentiometric contour map of the upper glacial aquifer
Figure 73 Potentiometric contour map of the Magothy aquifer
Figure 74 Potentiometric contour map of the Lloyd aquifer
Table 10 Table showing hydraulic conductivity
Figure 75 Potentiometric contour map of the upper glacial aquifer
Figure 76 Hydrogeologic section
Figure 77 Hydrogeologic section
Figure 78 Hydrogeologic section
Figure 79 Hydrogeologic section
Figure 80 Hydrogeologic section
Figure 81 Map showing area used in estimating rates of water movement
Table 11 Table listing rates of movement

Ground-water quality (Click to view thumbnails and download figures)

Figure 82 Chart and table of chemical concentrations
Figure 83 Diagramatic section of water cycle processes

Fresh ground-water withdrawals (Click to view thumbnails and download figures)

Figure 84 Chart showing the use of fresh gound-water withdrawals during 1985

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