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The Borough of Lansdowne Pennsylvania The Borough of Lansdowne Pennsylvania

NPDES PAG-13 General Permit, MS4 Progress Report

The Borough of Lansdowne is one of approximately 1000  jurisdictions in Pennsylvania that

are considered small municipal separate stormwater systems (MS4’S), requiring a permit

from the Pennsylvania Department of Environmental Protection (PADEP).

Stormwater Requirements

The stormwater requirements of the Federal Clean Water Act are administered under the

Pennsylvania Department of Environmental Protection’s Municipal Separate Storm Sewer

(MS4) Program. Under the MS4 Program, permittees are required to incorporate the

follow six elements (known as minimum control measures, or MCMS) into their stormwater

management programs:

  • Public education and outreach
  • Public Involvement and participation
  • Illicit discharge detection and elimination
  • Construction site runoff control
  • Post construction stormwater management in new development

and redevelopment

  • Pollution prevention and good housekeeping for municipal operations and


Each¬† MCM has a series of suggested Best Management Practices (BMP’S)

associated with it to guide permit holders in the program development, tracking,

and reporting



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