Perimeter Sand Filter

DA = < 2 acres *

Maintenance = 3.5 Treatment

Rev

Cpv

WQv

Qp

Cost =

x

Comm. Accept.=

1.0

4.0

*may be larger

in some instances

* limited pollutant removal data

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A perimeter sand filter provides water quality storage and is highly accepted by the community. However, the cost and maintenance can be high. Perimeter sand filters remove 79% of TSS, 41% of TP, and 47% of TN, although these numbers are based on limited data.