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?

Municipalities 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

  • East Stroudsburg Borough (Sambo Creek)
  • Middle Smithfield Township  (Sambo Creek)
  • Pocono Township  (Unnamed tributaries to Brodhead Creek)
  • Smithfield Township (Sambo Creek) 
  • Stroud Township  (Flagler Run, Little Pocono Creek, Sambo Creek, Unamed Tributary to Brodhead Creek, known as Cranberry Run) .
To learn more about MS4:
Resources for public education:
Resources for public involvement: