Proposed National Rulemaking to Strengthen the Stormwater Program

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EPA has initiated a national rulemaking to establish a program to reduce stormwater discharges from newly developed and redeveloped sites and make other regulatory improvements to strengthen its stormwater program. This website provides information on activities related to this proposed rulemaking:

Rulemaking Considerations

The proposed national rulemaking is considering the following key rulemaking actions:

  • Develop performance standards from newly developed and redeveloped sites to better address stormwater management as projects are built;
  • Explore options for expanding the protections of the municipal separate storm sewer systems (MS4) program;
  • Evaluate options for establishing and implementing a municipal program to reduce discharges from existing development;
  • Evaluate establishing a single set of minimum measures requirements for regulated MS4s. However, industrial requirements may only apply to regulated MS4s serving populations of 100,000 or more;
  • Explore options for establishing specific requirements for transportation facilities; and
  • Evaluating additional provisions specific to the Chesapeake Bay watershed.
Additional Rulemaking Activities
Rulemaking Schedule

EPA intends to propose a rule to strengthen the national stormwater program by June 10, 2013 and complete a final action by December 10, 2014.

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