MS4

municipal stormwater management

What is MS4?

MS4 stands for  Municipal Separate Storm Sewer Systems.

A Pennsylvania Department of Environmental Protection stormwater discharge permit is issued to municipalities for municipally owned structures, including retention basins, ditches, roadside inlets,  underground pipes and other  conveyances used to control stormwater runoff.

BWA’s role

BWA’s goal is to assist affected muncipalities  comply with their MS4 permit requirements in the areas of public education and public involvement.

Who in Monroe County is affected?

1Municipalities within an  “urbanized area” as defined by the U.S. Census Bureau.  Th 2010 Census defined the East Stroudsburg Urbanized Area to include all or part of the following municipalitities:

  • East Stroudsburg Borough
  • Hamilton Township
  • Middle Smithfield Township
  • Pocono Township 
  • Smithfield Township
  • Stroudsburg Borough
  • Stroud Township

Map of East Stroudsburg Urbanized Area

Chart of all municipalities affected by the MS4 program.

Where muncipalities contain streams that are listed by PA DEP as “impaired,”  a Pollution Reduction Plan must be developed for those impaired streams.

To learn more about MS4:
Resources for public education:
  • From Pa DEP: including booklets, activity kits and posters for public education
Resources for public involvement: