Resources for Monitoring Protocols:

U.S. Department of Agriculture, Natural Resources Conservation Service. National Water Quality Handbook, specifically Section 614, “Design of Water Quality Monitoring Systems.” 2003.
http://www.wsi.nrcs.usda.gov/products/W2Q/water_qual/docs/NatWQhandbookNRCS.pdf

U.S. Department of Agriculture, Natural Resources Conservation Service. Products of the National Water and Climate Center.
http://www.wcc.nrcs.usda.gov/products.html

U.S. Environmental Protection Agency. Techniques for Tracking, Evaluating, and Reporting the Implementation of Nonpoint Source Measures – Urban. 2001.
http://water.epa.gov/polwaste/nps/urban2.cfm