http://pubs.usgs.gov/of/2013/1052/pdf/OFR2013-1052.pdf
This report documents flow-adjusted trends in sediment and total nitrogen and phosphorus concentrations for 31 stations in 1985-2011 and for 32 in 2002-2011. For 2006-2011 period, 65 stations are covered. From the U.S. Geological Survey
http://pubs.usgs.gov/sir/2012/5266/pdf/sir2012-5266.pdf
Discusses the damage from excessive nitrogen in Chesapeake Bay and Pamlico Sound and Atlantic coastal plain streams. From the U.S. Geological Survey
http://pubs.usgs.gov/sir/2012/5244/pdf/sir2012-5244.pdf
Nitrogen, phosphorus, and sediment trends at nine Chesapeake Bay monitoring sites have shown a lack of improvement from 1985 to 2010. The measuring sites included the Potomac and James Rivers. From the U.S. Geological Survey and the Environmental Protection Agency.
http://pubs.usgs.gov/of/2012/1216/OFR2012-1216.pdf
Proceedings from a 2011 forum in Baltimore on policies and assumptions for creating alternative future land-use scenarios for the Chesapeake Bay area out to 2025 by which the population is expected to increase by 2 million persons. From the U.S. Geological Survey
http://pubs.usgs.gov/sir/2012/5151/pdf/SIR2012-5151_Rice.pdf
Covers 80 years and 30 test sites to compare runoff into the Bay watershed. Discovers that the 1970-2010 period had significantly different stream flow patterns. From the U.S. Geological Survey.
http://www.fas.org/sgp/crs/misc/R42752.pdf
Describes federal regulations which require the establishment by states of total maximum daily load benchmarks for pollutants in rivers and lakes. Focuses in particular on the effort to clean up the Chesapeake Bay through TMDL provisions and the need for new legislative attention to the issue of water pollution. From the Congressional Research Service, posted by the Federation of American Scientists
http://leg2.state.va.us/dls/h&sdocs.nsf/By+Year/RD1552012/$file/RD155.pdf
Cites progress in submitting Phase II Watershed Implementation Plan, reducing point source pollution from sewage treatment plants, and reducing phosphorus content of poultry litter in improving the quality of water in the Chesapeake Bay. From the Secretary of Natural Resources
http://pubs.usgs.gov/fs/2012/3079/pdf/fs2012-3079.pdf
Describes the importance of managing urban storm water runoff to protect water resources like the Chesapeake Bay. From the U.S. Geological Survey