What is an MS4?

An MS4 is a conveyance or system of conveyances that is:

  • Owned by a state, city, town, village or other public entity that discharges to waters of the U.S.
  • Designed or used to collect or convey stormwater (including storm drains, pipes, ditches, etc.)
  • Not a combined sewer
  • Not part of a Publicly Owned Treatment Works (sewage treatment plant)

This page is intended to provide MS4 information for the residents of Jonestown AND to solicit input from environmental groups, post cleanup or watershed based environmental events. If you or your group has such an event that you would like posted on this page – please click HERE to send an e-mail to the Borough Office. Be sure to include the name of the event, date, time, location, and any additional information you want posted here about your event.

For more information, please click the links below.

EPA Website


With Spring and Summer approaching here is some information regarding the mosquito-borne disease West Nile.

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