Stormwater filtration practice (media filters; includes sand filters, peat mixed with sand, and other) outflow concentrations and pollutant removals.
Link to this table

Source
TSS outflow concentration (mg/L) at a given Percentile
TP outflow concentration (mg/L) at a given Percentile
25th 50th 75th 25th 50th 75th
ASCE/EPA 6 8 12 0.08 0.11 0.16
CWP 5 11 16 0.06 0.10 0.19
Source
TSS Percent Removal at a given Percentile1
TP Percent Removal at a given Percentile1
25th 50th 75th 25th 50th 75th
ASCE/EPA 73 83 87 15 35 47
CWP 80 86 92 41 59 65

1MnDOT values for mean TSS removal=82% and mean TP removal=46%

This page was last modified on 15 July 2015, at 11:19.

Minnesota Pollution Control Agency | 651-296-6300, 800-657-3864 | Assistance | Web site policy