MS4 TMDL compliance monitoring strategy summary

MS4 TMDL compliance monitoring strategy summary
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	Monitoring strategies
MS4 TMDL Compliance Strategy	Monitoring receiving waters - lakes	Monitoring receiving waters - streams	Monitoring outfalls	Monitoring BMPs
Monitor improving water quality and delist from 303(d) Impaired Waters List	X	X
Upstream/downstream monitoring to identify “hot spots” (e.g., locations where intervening flow is causing impairment)		X
Evaluating compliance with MS4 wasteload allocation (WLA)…
WLA in terms of mass reduction (e.g., lbs/year, org/day, etc.)			X	X
WLA in terms of percent reduction from baseline condition (e.g., 40% reduction)			X	X
WLA in terms of areal loading reduction (e.g., lbs/acre/year)			X