Stormwater pond outflow concentrations and pollutant removals Stormwater pond outflow concentrations and pollutant removals

Stormwater pond outflow concentrations and pollutant removals.
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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	11	13	25	0.08	0.13	0.20
CWP	11	17	34	0.07	0.11	0.17
Source	TSS Percent Removal at a given Percentile1			TP Percent Removal at a given Percentile1
	25th	50th	75th	25th	50th	75th
ASCE/EPA	60	88	94	29	48	69
CWP	60	80	86	39	51	76

¹MnDOT values for mean TSS removal=65% and mean TP removal=52%