Rochester Borough Sewer & Maintenance Authority MS4 Information
The Pennsylvania Department of Environmental Protection has issued the Rochester Borough Sewer and
Maintenance Authority and Rochester Borough an NPDES Permit for Stormwater Discharges from its
small Municipal Separate Storm Sewer System (MS4). The Authority’s MS4 system is inclusive of
inlets, catch basins, storm sewers pipes, swales, and stormwater detention facilities, among many other
facilities that collect, convey or manage stormwater. The MS4 Permit regulates discharges from the
Authority’s MS4 to the Waters of the Commonwealth with the intent of reducing the discharge of
pollutants and increasing water quality to the maximum extent practicable. To comply with the
requirements of the Permit, the Borough must implement a plan to address the following six Minimum
Control Measures (MCMs):
1. MCM 1 – Public Education and Outreach
2. MCM 2 – Public Participation and Involvement
3. MCM 3 – Illicit Discharge Detection and Elimination
4. MCM 4 – Construction Site Runoff Control
5. MCM 5 – Post-Construction Storm Water Management in New Development and
6. MCM 6 – Pollution Prevention/Good Housekeeping
Residents Roles in Helping to Prevent Stream Pollution
Borough residents can help reduce the discharge of pollutants to the streams and protect water quality by
doing the following:
1. Never dump anything besides stormwater into a storm drain, inlet, swale or stream. Dumping in
these areas is an Illicit Discharge and is a violation of the Borough Prohibited Discharge
2. Report Illicit Discharges. If you observe anyone dumping anything into the MS4 system, or
notice a non-stormwater discharge entering the MS4 or a stream, immediately notify the Borough
at (724) 728-1904.
3. Pick up and properly dispose of pet waste. Pet waste should never be disposed of in a storm
drains, inlet, catch basin or stream.
4. Wash vehicles such that wash water does not enter the MS4. Wash vehicle in lawn or gravel
areas, or take them to commercial car washes.
5. Recycle or properly dispose of hazardous materials including paints, used oil and chemical.
6. Pick up litter, debris or garbage from yard, sidewalks, driveways and other areas so that it is not
washed into a storm drain.