Document Type

Technical Report

Publication Date

2-2001

Abstract

Deep Run and Gage Gully subwatersheds are located at Canandaigua Lake’s northeast corner. Both subwatersheds are relatively small in size but a three-year monitoring program has identified them as contributing disproportionately high loads of nutrients and suspended solids (soils) to Canandaigua Lake. Within the entire Canandaigua Lake watershed, Deep Run lost the most phosphorus and nitrate per unit area of watershed to Canandaigua Lake (January 1997 to January 2000), while Gage Gully ranked third. Also, the Deep Run and Gage Gully subwatersheds ranked 3rd and 5th for total Kjeldahl nitrogen (TKN) loss and 2nd and 3rd for total suspended solids loss per unit area, respectively in the Canandaigua Lake watershed.

Because these two subwatersheds were contributing more nutrients and suspended solids than most subwatersheds of Canandaigua Lake, they have the potential to adversely affect the lake. The policy of maintaining the current high water quality of Canandaigua Lake suggested that the sources of pollution in Gage Gully and Deep Run be identified. With this report, we provide evidence suggesting the location and the intensity of pollution sources in the Deep Run and Gage Gully watersheds.

Comments

The 2000 Enhanced Testing and Sampling program for the Canandaigua Lake Watershed was supported by: East Shore Association, Canandaigua Lake Pure Waters, Ltd., Yates County Soil and Water Conservation District, Ralph Azzarone, Canandaigua Lake Task Force, City of Canandaigua, Town of Canandaigua, Town of Gorham, Town of South Bristol, Village of Newark, Town of Naples, Town of Middlesex, Village of Palmyra, Village of Naples, Town of Potter, Town of Hopewell, Town of Italy, Town of Bristol, and the Village of Rushville.

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