Steve Letavic
Susquehanna River
Smiling Kids
Sunset Park
Barn
Horses
Find Us On Facebook

Stormwater Management & MS4

What is Stormwater Runoff?

Stormwater runoff occurs when precipitation from rain or snowmelt flows over the ground. Impervious surfaces like driveways, sidewalks, and streets prevent stormwater runoff from naturally soaking into the ground.

Why is Stormwater Runoff a Problem?

Stormwater can pick up debris, chemicals, dirt and other pollutants and flow into a storm sewer system or directly into a lake, stream, river, wetland, or costal water, untreated.

What is MS4?

A Municipal Separate Storm Sewer System (MS4) is a conveyance or system of conveyances that is owned by a municipality, designed or used, to collect or convey stormwater.

Contact Us

MS4 Environmental Coordinator
kschwenk@londonderrypa.org

783 S. Geyers Church Rd.
Middletown, PA 17057

Ph: 717.944.1803
Fax: 717.944.1826

Office Hours
Monday – Friday
8:30am to 5:00pm

Stormwater PA

Chesapeake Bay Foundation

Center for Watershed Projection

PA DEP

EPA