Phase II NPDES Storm Water Regulations
Municipal Separate Storm Sewer Systems (MS4)
Under the 1987 Clean Water Act Amendments, the U.S. Environmental Protection Agency developed new stormwater regulations to address storm water that might impact water quality. These new regulations are set up in two Phases depending upon population. Phase I, which is already instituted, affected Allentown and Philadelphia and now U.S. EPA, through the Pennsylvania Department of Environmental Protection (DEP), is enforcing the Phase II portion of the regulation. There are about 1,000 municipalities in Pennsylvania that fall under the Phase II requirements. Those municipalities that are located within an "urbanized area" as defined by the 1990 Census and the 2000 Census were required to apply for a National Pollutant Discharge Elimination System (NPDES) permit to discharge stormwater from their municipal separate storm sewer system (MS4s). Following is a list of municipalities and public entities in Berks County that are affected.
To meet the NPDES permit requirements each municipality submits a permit application to DEP. The permit period runs for five (5) years. The permit application is basically an action plan for the municipality to institute six requirements called minimum control measures (mcm): 1. Public Education, 2. Public Participation, 3. Illicit Discharge Detection and Elimination, 4. Construction Site Storm Water Runoff Control, 5. Post-Construction Storm Water Management in New Development and Redevelopment, and 6. Pollution Prevention/Good Housekeeping for Municipal Operations Maintenance. The municipality will have five years to put these protocols into effect, however certain protocols must be completed earlier than others. Many of these six components are directly related to the PA Act 167 Stormwater Management Planning Program
Berks County's Act 167 information can be found in the left navigation.
If you have any questions or would like further information please feel free to call us at 610-478-6300.