Storm Water Management

The City of McKeesport is a covered permittee for the PAG-13 Municipal Separate Storm Sewer System (MS4) Permit, which is issued by the Pennsylvania Department of Environmental Protection (PADEP), under Permit ID. PAG136219. Permittees under the MS4 permit are responsible for the pollutant load and stormwater runoff within the MS4’s urbanized areas that are discharging to downstream storm sewers or waters of the Commonwealth.

The City is required to address these pollutant control measures by informing the community on stormwater and how the community can assist the City in meeting their stormwater management requirements.


2018-2023 Permit

2013-2018 Permit

Annual Reports

2023 MS4 Report

What is Storm Water?

Storm water is water from precipitation that flows across the ground and pavement when it rains or when snow and ice melt. The water seeps into the ground or drains into what we call storm sewers. These are the drains you see at street corners or at low points on the sides of streets. Collectively, the water is called storm water runoff.

Storm Water Brochure

What is illicit discharge?

An illicit discharge is a substance other than storm water that is released to a storm drain, swale, storm sewer, or other system that moves, but does not treat, storm water before it is directed into a stream, lake, or river.

These substances are considered "illicit", or banned, because they are hazardous to the health and safety of our water resources.

Example sources of illicit discharges:

• Sanitary wastewater (e.g. water from sinks, laundry, toilets, etc.)
• Effluent from septic tanks
• Spills from roadway accidents
• Improper disposal of auto and household hazardous wastes

Complaint Form

Have you witnessed illicit discharge? Official complaint forms can be found online and at City Hall,500 Fifth Avenue.

Learn More About Protecting Water

Illicit Discharge Fact Sheet for Storm Water

Educating Our Youth

Storm water management includes storm water education.

Created by the MS4 partners of College, Ferguson, Harris, and Patton Townships; Penn State University; and State College Borough, this activity book is designed to designed to teach children about water resources and storm water pollution.

(Image at right links to a complete downloadable booklet.)

Stormwater Activty Book Cover Page

Comments and Questions

If any member of the public has questions regarding the City of McKeesport Stormwater Management Plan, please contact Marissa Brletic of KLH Engineers via email at

The Pennsylvania Department of Environmental Protection (DEP) also offers educational information and resources to the Commonwealth's residents and businesses online.