river have been severely impacted by pollution and loss of habitat. Some farmers in the Monocacy watershed participate in the national Conservation Stewardship Program operated by the U.S. Department of Agriculture (USDA), designed to help stem pollution due to erosion and pollutant runoff from farming. In the 1990s the watershed was part of a national water quality demonstration project sponsored by USDA, which helped farmers reduce fertilizer usage and reduced discharges of nitrogen and phosphorus to the river. See also List of Maryland rivers List of rivers of Pennsylvania References External links Monocacy Scenic River Water Trail Map & Guide - Chesapeake Bay Gateways Network (2006) Monocacy River factsheet - Alliance for the Chesapeake Bay Monocacy & Catoctin Watershed Alliance Monocacy Aqueduct – C&O Canal Virtual Tour Monocacy Basin Stream Monitoring Project Monocacy Battlefield – National Park Service Fishing the Monocacy River Kayaking/Canoeing the Monocacy Rivers of Carroll County, Maryland Rivers of Frederick County, Maryland Rivers of Maryland Rivers of Pennsylvania Rivers of Adams County, Pennsylvania