Hydrogeology for land-use planning: the Peters Creek area, Municipality of Anchorage, Alaska
Water-Resources Investigations Report
82-4120
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Abstract
Wells currently provide all water supplies in the area. Most wells obtain enough water for individual household needs from unconsolidated, principally glacial and glacioalluvial deposits. In some places, however, wells must be drilled into the underlying bedrock to obtain adequate supplies. It may be possible to develop small community supplies--for individual trailer courts or subdivisions--in areas where yields of 20 gallons per minute or greater are reported for private, domestic wells. Peters Creek is a potential source of surface-water supply, but it would have to be treated to remove glacial silt during summer months. The chemical quality of both ground water and surface water in the area in generally acceptable for most uses. Foundation and excavation conditions, the potential for water pollution from onsite disposal of wastewater through septic tank systems, and the suitability of specific areas for certain types of development may be affected by the following factors: wetlands and areas of shallow ground water underlie about 30 percent of the study area; landslope exceeds 20 percent in about a third of the area; areas of fine-grained, low-permeability sediments are present locally; bedrock is within 25 feet of the land surface in about a third of the area. (USGS)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Hydrogeology for land-use planning: the Peters Creek area, Municipality of Anchorage, Alaska |
| Series title | Water-Resources Investigations Report |
| Series number | 82-4120 |
| DOI | 10.3133/wri824120 |
| Edition | - |
| Year Published | 1983 |
| Language | ENGLISH |
| Description | 7 maps on 3 sheets : both sides, some col. ; 58 x 80 cm. and smaller, sheets 61 x 89 cm., folded in envelope 31 x 23 cm. |
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