: An update to the 1997 guidance, this guidance is written primarily for those who develop and implement monitoring plans for watershed projects management projects, or to evaluate the technical merits of monitoring proposals. EPA-841-R-16-010
Monitoring Guidance for Determining Effectiveness of Nonpoint Source Controls, Final: (1997) This guidance addresses design of monitoring programs to assess water quality to determine impacts of nonpoint sources and effectiveness of best management practices (BMPs) used as controls. EPA-841-B-96-004
National Water Quality Handbook: (2003) Covers statistical design, variable selection, sampling location, sample analysis and much more.
Techniques for Tracking, Evaluating, and Reporting the Implementation of Nonpoint Source Control Measures - Agriculture (PDF) (92 pp, 240 K)(1997) Focusing specifically on monitoring agricultural BMPs, this manual covers site selection, sample size estimation, sampling and results evaluation and presentation. EPA 841-B-97-010
Techniques for Tracking, Evaluating, and Reporting The Implementation of Nonpoint Source Control Measures for Forestry: (1997) This guidance is intended to assist state, regional, and local environmental professionals in tracking the implementation of BMPs used to control nonpoint source pollution generated by forestry practices. Information is provided on methods for sample site selection, sample size estimation, sampling and result evaluation and presentation. The focus of the guidance is on the statistical approaches needed to properly collect and analyze data that are accurate and defensible. EPA 841-B-97-009You may need Adobe Reader to view files on this page. See EPA’s About PDF page to learn more.
Urban Stormwater BMP Performance Monitoring (PDF)(355 pp, 7 MB,
This manual provides targeted practical assistance in conducting water quality monitoring and reporting data that are useful for assessing effectiveness of stormwater best management practices (BMPs).
Techniques for Tracking, Evaluating and Reporting the Implementation of Nonpoint Source Control Measures Urban (PDF)(105 pp, 974 K,
Helps local officials focus limited resources by establishing statistical sampling to assess, inspect, or evaluate a representative set of BMPs, erosion and sediment controls, and onsite wastewater treatment systems.