| Abstract: | Dale Valley is a broad valley segment, enlarged by glacial erosion, at the headwaters of Little Tonawanda Creek near Warsaw , New York. A thin, shallow alluvial aquifer immediately underlies the valley floor but is little used. A deeper gravel aquifer, buried beneath many feet of lake deposits, is tapped by several industrial wells. A finite-difference digital model treated the deep aquifer as two-dimensional with recharge and discharge through a confining layer. It was calibrated by simulating (1) natural conditions, (2) an 18-day aquifer test, and (3) 91 days of well-field operation. Streamflow records and model simulations suggest that in moderately wet years such as 1974, a demand of 750 gallons per minute could be met by withdrawal from the creek and from the aquifer without excessive drawdown at production wells or existing domestic wells. With reasonable but unverified model adjustments to simulate an unusually dry year, the model predicts that a demand of 600 gallons per minute could be met from the same sources. Water high in chloride has migrated from bedrock into parts of the deep aquifer. Industrial pumpage, faults in the bedrock, and the natural flow system may be responsible. (Woodard-USGS) |
| Genre: | USGS Numbered Series |
| ProdID: | 29260 |
| Citation Author: | Randall, Allan D. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | vi, 85 p. :ill., maps ;27 cm. |
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| Citation Publisher: | U.S. Geological Survey, |
| Citation Series: | Water-Resources Investigations Report |
| Citation Series Code: | WRI |
| Citation Series Number: | 78-120 |
| Citation Search Results Text: | Ground water in Dale Valley, New York; 1979; WRI; 78-120; Randall, Allan D. |
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| Citation Year: | 1979 |
| Type: | citation/reference |
| Text: | Ground water in Dale Valley, New York; 1979; WRI; 78-120; Randall, Allan D. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/usgs_thumb.jpg |
| URL (DOCUMENT): | http://pubs.usgs.gov/wri/1978/0120/report.pdf |
| Date Other: | Sat, 1 Jan 1994 00:00 -0600 |
| Publisher: | U.S. Geological Survey, |
