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 sand (media) filters
- Types of sand (media) filters
- Design criteria for sand (media) filters
- Construction specifications for sand (media) filters
- Assessing the performance of sand (media) filters
- Operation and maintenance of sand (media) filters
- Calculating credits
- Cost-benefit considerations for sand (media) filters
- References for sand (media) filters
- Requirements, recommendations and information for using sand filter as a BMP in the MIDS calculator
- Links to detail images
- Perimiter sand filter details: File:Perimeter Sand Filter PERIMETER SAND FILTER DETAILS (1).pdf
- Surface sand filter: File:SURFACE Sand Filter3 Surface sand filter (1).pdf
- Underground sand filter: File:UNDERGROUND SAND FILTER Layout2 (1).pdf
- Fact sheet for filtration (Includes vegetated filters)