Design restrictions for special water or other sensitive receiving watersheds Anti-icing application rates > Special:WhatLinksHere/Wet swale construction inspection checklist > Road salt, smart salting and winter maintenance > Sediment control practices - Stabilized earth/soil berm > Design restrictions for special water or other sensitive receiving watersheds

Design restrictions for special water or other sensitive receiving watersheds.
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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