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*[http://stormwaterbook.safl.umn.edu/developing-assessment-program/analysis-water-and-soils Analysis of Water and Soils] | *[http://stormwaterbook.safl.umn.edu/developing-assessment-program/analysis-water-and-soils Analysis of Water and Soils] | ||
*[http://stormwaterbook.safl.umn.edu/developing-assessment-program/analysis-water-and-soils Data Analysis for Monitoring] | *[http://stormwaterbook.safl.umn.edu/developing-assessment-program/analysis-water-and-soils Data Analysis for Monitoring] | ||
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Additional information on designing a monitoring network and performing field monitoring are found at [http://stormwater.pca.state.mn.us/index.php/Calculating_credits_for_swales#Credits_based_on_field_monitoring this link]. | Additional information on designing a monitoring network and performing field monitoring are found at [http://stormwater.pca.state.mn.us/index.php/Calculating_credits_for_swales#Credits_based_on_field_monitoring this link]. | ||
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==Related pages== | ==Related pages== |
Swales retain solids and associated pollutants by settling and filtering. A typical method for assessing the performance of of BMPs with underdrains is therefore measuring and comparing pollutant concentrations at the influent and effluent. If the swale is designed for infiltration, see Assessing the performance of bioretention.
An online manual for assessing BMP treatment performance was developed in 2010 by Andrew Erickson, Peter Weiss, and John Gulliver from the University of Minnesota and St. Anthony Falls Hydraulic Laboratory. The manual advises on a four-level process to assess the performance of a Best Management Practice.
Level 1 activities do not produce numerical performance data that could be used to obtain a stormwater management credit. BMP owners and operators who are interested in using data obtained from Levels 2 and 3 should consult with the MPCA or other regulatory agency to determine if the results are appropriate for credit calculations. Level 4, Monitoring, is the method most frequently used for assessment of the performance of a BMP.
Use these links to obtain detailed information on the following topics related to BMP performance monitoring:
Additional information on designing a monitoring network and performing field monitoring are found at this link.
Links to pages discussing assessment of other BMPs can be found at this page.