Phosphorus loading to McGrath and Ellis ponds, Kennebec County, Maine
Water-Resources Investigations Report
84-4177
By: Wallace J. Nichols, J.W. Sowles, and J.J. Lobao
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Abstract
McGrath and Ellis Ponds in south-central Maine have been identified as having nuisance algae blooms. In 1978, a cooperative study between the U.S. Geological Survey and the Maine Department Environmental Protection was begun to evaluate areas in which restoration effort would best improve water quality of the ponds. Streamflow and phosphorus data were collected from 28 tributaries to the ponds, April 1 through September 30, 1978 and 1979. Phosphorus yields from each tributary watershed were compared to determine their relative importance to the phosphorus budgets of the ponds. Three tributaries to the ponds were estimated to contribute 44 percent of the phosphorus load, yet drain only 22 percent of the watershed. Phosphorus input to the ponds likely would be most easily reduced by instituting phosphorus control practices in parts of the basin drained by the three tributaries. (USGS)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Phosphorus loading to McGrath and Ellis ponds, Kennebec County, Maine |
| Series title | Water-Resources Investigations Report |
| Series number | 84-4177 |
| DOI | 10.3133/wri844177 |
| Edition | - |
| Year Published | 1984 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | v, 20 p. :ill., maps ;28 cm. |
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