Lake phosphorus loading form septic systems by seasonally perched groundwater
Journal of the Water Pollution Control Federation
By: R. J. Gilliom and C.R. Patmont
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Abstract
The movement of effluent phosphorus (P) from old septic systems by seasonally perched groundwater was investigated. A previous study indicated a correlation between P loadings and the presence of old homes. Water samples were taken from shallow wells installed 10 to 50 m downgradient from seven septic systems 20 to 40 years old. The equivalent volumetric fraction of each sample consisting of undiluted effluent was estimated from chloride concentration. A Monte Carlo analysis was used to account for the various sources of uncertainty. Movement of diluted septic effluent to the lake was common, but transport of more than 1% of effluent P through the soil was probable for only 4 of 26 samples. The greatest apparent P movement was associated with persistently saturated conditions.
Suggested Citation
Gilliom, R.J., and Patmont, C., 1983, Lake phosphorus loading form septic systems by seasonally perched groundwater: Journal of the Water Pollution Control Federation, v. 55, no. 10, p. 1297-1305.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Lake phosphorus loading form septic systems by seasonally perched groundwater |
| Series title | Journal of the Water Pollution Control Federation |
| Volume | 55 |
| Issue | 10 |
| Year Published | 1983 |
| Language | English |
| Publisher | JSTOR |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of the Water Pollution Control Federation |
| First page | 1297 |
| Last page | 1305 |