MS4 Program Evaluation Guidance

Guidance document that assists state and NPDES permitting authority staff in assessing the compliance and effectiveness of Phase I and Phase II MS4 programs.  Also provides guidance on developing Phase II MS4 stormwater management programs, assessing pollutants of concern, and providing technical assistance.

Author: 
US EPA
Date published: 
2007
Keywords: 
MS4, cso, tmdl, regulation, regulatory, stormwater, Green Infrastructure, Compliance