Sand Filter Selection GuideKey Feasibility Factors

Filter Space Minimum Maintenance Cost

consumed head burden

Surface 2-3% 5 feet annual moderate

Underground none 4 feet semi-annual high

Perimeter 2-3% 3 feet annual moderate

Pocket 2-3% 3 feet annual moderate

Organic 1-2% 5 feet annual high

Bioretention 5% 4 feet semi-annual low

Previous slide

Next slide

Back to first slide

View graphic version

When selecting stormwater filters, a few key factors should be screened in the selection process including space consumption, minimum head, maintenance burden, and cost. The slide above compares these feasibility factors in a matrix format.