Stormwater Phase II Final Rule: Who's Covered? Designation and Waivers of Regulated Small MS4s

The Stormwater Phase II Final Rule applies to operators of regulated small municipal separate storm sewer systems (MS4s), which are designated based on the criteria discussed in this factsheet.

Author: 
US EPA
Date published: 
2012
Keywords: 
MS4, phase ii, post-construction, stormwater permit, model code, model ordinance, stormwater ordinance