Design restrictions for special water or other sensitive receiving watersheds.
Link to this table

BMP
Watershed Management Category
A
Lakes
B
Trout Waters
C
Drinking Water*
D
Wetlands
E
Impaired Waters
Infiltration basin/trench RECOMMENDED RECOMMENDED ACCEPTABLE with cautions for [Potential stormwater hotspots PSH] RECOMMENDED RECOMMENDED unless target TMDL pollutant is a soluble nutrient or chloride
Filtration Some variations NOT RECOMMENDED due to poor phosphorus removal, combined with other treatments RECOMMENDED RECOMMENDED ACCEPTABLE RECOMMENDED for non-nutrient impairments
Filtration (including green roofs) ACCEPTABLE if P removal in media is considered RECOMMENDED RECOMMENDED RECOMMENDED RECOMMENDED for non-nutrient impairments
Iron enhanced filters RECOMMENDED RECOMMENDED RECOMMENDED RECOMMENDED RECOMMENDED
Wetlands Some variations NOT RECOMMENDED due to poor P removal, combined with other treatments. NOT RECOMMENDED
except for wooded wetlands
RECOMMENDED RECOMMENDED
but no use of natural wetlands
RECOMMENDED

*Applies to groundwater drinking source areas only; use the sensitive lakes category to define BMP Design restrictions for surface water drinking supplies

This page was last edited on 3 August 2022, at 20:56.