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Effects of spray-irrigated municipal wastewater on a small watershed in Chester County, Pennsylvania

Fact Sheet 2005-3092

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Abstract


Spray irrigation is a method for disposing of secondary treated municipal wastewater by spraying it on the land surface (fig. 1). The sprayed wastewater either evaporates into the air, soaks into the soil, or percolates through the soil and recharges the ground water. Land application of wastewater has advantages over conventional means of disposal by direct discharge to streams because the wastewater recharges the ground-water system and increases base flow in streams. Additional benefits are derived from the "natural" treatment of the wastewater that takes place in the soil when plants and other biota remove some nutrients (nitrogen and phosphorus) from the wastewater (Pennsylvania Department of Environmental Protection, 2003). The removal of nutrients is one advantage spray irrigation has to conventional disposal methods like instream discharge.

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Additional publication details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Effects of spray-irrigated municipal wastewater on a small watershed in Chester County, Pennsylvania
Series title:
Fact Sheet
Series number:
2005-3092
Year Published:
2005
Language:
English
Publisher:
U.S. Geological Survey
Contributing office(s):
Pennsylvania Water Science Center
Description:
4 p. : ill.