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Green infrastructure can reduce the volume of stormwater entering combined sewer systems during precipitation events, which may reduce numbers and volumes of overflows. This factsheet addresses the evaluation of green infrastructure approaches for CSO control, the identification of quantitative implementation targets, and the incorporation of green infrastructure approaches into Long Term Control Plans.

Accountability considerations are important in all actions involving permits or enforcement orders, regardless of the approaches used to achieve compliance with established standards. This factsheet discusses six accountability mechanisms that may be applied to permits or enforcement actions that include green infrastructure.

Grant progams, technical assistance and tools for communities

A guide created by the EPA for MS4 Phase II agencies.