Sand filters retain solids and associated pollutants by 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.
Additional information on designing a monitoring network and performing field monitoring are found at this link.
Related pages
- Overview for filtration
- Types of filtration
- Design criteria for filtration
- Construction specifications for filtration
- Assessing the performance of swales
- Operation and maintenance of filtration
- Calculating credits for sand filter
- Calculating credits for dry swale
- Cost-benefit considerations for filtration
- References for filtration