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  • Storm0310wkshopspk2

    1. 1. Overview of the Draft Small MS4 General Permit-North Coastal Massachusetts
    2. 2. Outline <ul><li>Program overview </li></ul><ul><li>Draft Small MS4 Permits for MA </li></ul><ul><li>Availability </li></ul><ul><ul><li>Changes from the 2003 permit </li></ul></ul><ul><ul><li>Draft contents and conditions </li></ul></ul><ul><ul><li>Estimated permit timeline </li></ul></ul><ul><li>Questions </li></ul>
    3. 3. Phase II Stormwater Management Program Overview <ul><li>Phase II stormwater management program promulgated in 1999 </li></ul><ul><li>Regulates stormwater discharges from small Municipal Separate Storm Sewer Systems (MS4) in urbanized areas </li></ul><ul><li>Implemented through National Pollutant Discharge Elimination System (NPDES) permit program </li></ul><ul><li>NPDES General Permit for Stormwater Discharges from Small MS4s effective May 1, 2003 </li></ul>
    4. 4. What is an MS4? <ul><li>A municipal separate storm sewer system (MS4) is: </li></ul><ul><li>A conveyance or system of conveyances... owned by a state, city, town, or other public entity that discharges to waters of the U.S. and is: </li></ul><ul><ul><li>designed or used for collecting or conveying stormwater </li></ul></ul><ul><ul><li>not a combined sewer </li></ul></ul><ul><ul><li>not part of a Publicly Owned Treatment Works (POTW) </li></ul></ul>
    5. 5. Regulated Universe <ul><li>Regulated universe in MA </li></ul><ul><ul><li>237 Traditional </li></ul></ul><ul><ul><li>13 Non-traditional </li></ul></ul><ul><ul><li>13 Waivers </li></ul></ul><ul><li>Regulated universe in NH </li></ul><ul><ul><li>38 Traditional </li></ul></ul><ul><ul><li>4 Non-traditional </li></ul></ul><ul><ul><li>7 Waivers </li></ul></ul>
    6. 6. Availability of Draft Permits <ul><li>NH draft permit </li></ul><ul><ul><li>Currently available at: </li></ul></ul><ul><ul><li>Public notice December 23, 2008 to February 20, 2009 </li></ul></ul><ul><ul><li>Public hearing on January 28, 2009 </li></ul></ul><ul><li>MA draft permits </li></ul><ul><ul><li>At least two watershed-based general permits </li></ul></ul><ul><ul><li>North Coastal available at: </li></ul></ul><ul><ul><li>Public comment February 4, 2010 – March 31, 2010 </li></ul></ul><ul><ul><li>Public hearing – March 18, 2010 </li></ul></ul>
    7. 7. Planned Permits for MA
    8. 8. Differences between 2003 Permit and 2010 Draft <ul><li>EPA the new draft permits will include: </li></ul><ul><ul><li>same six minimum control measures as the 2003 permit; </li></ul></ul><ul><ul><li>provisions to protect water quality standards; </li></ul></ul><ul><ul><li>enhanced IDDE requirements; </li></ul></ul><ul><ul><li>water quality monitoring of stormwater discharges; </li></ul></ul><ul><ul><li>encouragement of low impact development and green infrastructure techniques; and </li></ul></ul><ul><ul><li>requirements designed to implement approved total maximum daily load (TMDL) waste load allocations (WLAs). </li></ul></ul><ul><li>Public Education and Outreach </li></ul><ul><li>Public Involvement and Participation </li></ul><ul><li>Illicit Discharge Detection and Elimination </li></ul><ul><li>Construction Site Stormwater Runoff Control </li></ul><ul><li>Post-Construction Stormwater Management for New and Re-development </li></ul><ul><li>Pollution Prevention/Good Housekeeping </li></ul>
    9. 9. Draft Permit Contents <ul><li>Part 1 – Introduction </li></ul><ul><li>Part 2 – Non-Numeric Effluent Limitations </li></ul><ul><ul><li>Water Quality – includes TMDLs </li></ul></ul><ul><ul><li>Maximum Extent Practicable (includes six MCMs) </li></ul></ul><ul><li>Part 3 – Outfall Monitoring Program </li></ul><ul><li>Part 4 – State Requirements </li></ul><ul><li>Part 5 – Program Evaluation, Record keeping, and Reporting </li></ul><ul><li>Part 6 – Requirements for State or Tribal Traditional MS4s </li></ul><ul><li>Part 7 – Requirements for Transportation Agencies </li></ul><ul><li>Appendices </li></ul>
    10. 10. Part 1 - Introduction <ul><li>Describes eligibility and limitations on coverage </li></ul><ul><li>Notice of Intent (NOI) </li></ul><ul><ul><li>Due 90 days from the effective date of permit </li></ul></ul><ul><ul><li>Each will be made available for public comment </li></ul></ul><ul><li>EPA will authorize MS4 discharge after public notice </li></ul><ul><li>Stormwater Management Program (SWMP) </li></ul><ul><ul><li>Update within 120 days of receipt of authorization to discharge </li></ul></ul><ul><ul><li>Modify to reflect new permit conditions </li></ul></ul>
    11. 11. Part 2 – Non-Numeric Effluent Limitations Water Quality Based Limits <ul><li>General requirements to comply with water quality standards </li></ul><ul><li>Specific requirements for discharges to impaired waters with and without approved Total Maximum Daily Loads (TMDLs) </li></ul>
    12. 12. Part 2 – Non-Numeric Effluent Limitations Maximum Extent Practicable (MEP) <ul><li>Includes the six MCMs from the 2003 permit </li></ul><ul><li>Includes more specific requirements for: </li></ul><ul><ul><li>Public Education & Outreach </li></ul></ul><ul><ul><li>Illicit Discharge Detection and Elimination (including outfall monitoring) </li></ul></ul><ul><ul><li>Post Construction Stormwater Management </li></ul></ul><ul><ul><li>Good Housekeeping & Pollution Prevention </li></ul></ul>
    13. 13. Public Education and Outreach <ul><li>Specific audiences for education </li></ul><ul><li>Specific education topics </li></ul><ul><li>Specific number of educational messages </li></ul><ul><li>Evaluation of the effectiveness of educational messages </li></ul>
    14. 14. Illicit Discharge Detection and Elimination (IDDE) Program <ul><li>Complete system map </li></ul><ul><li>Ordinance/bylaw – required by 2003 permit </li></ul><ul><li>Assessment of MS4 for illicit discharge potential </li></ul><ul><li>Systematic procedure for locating and removing illicit connections, includes outfall inventory & monitoring </li></ul><ul><li>Prevent illicit discharges and SSOs (public education, e.g., hotline) </li></ul><ul><li>Track program success </li></ul><ul><li>Annual employee training </li></ul>
    15. 15. Construction <ul><li>Ordinance/bylaw – required by previous permit </li></ul><ul><ul><li>Sediment and erosion controls </li></ul></ul><ul><ul><li>Good housekeeping/pollution prevention </li></ul></ul><ul><ul><li>Submit plans for review </li></ul></ul><ul><ul><li>Fines and penalties </li></ul></ul><ul><li>Site plan review process </li></ul><ul><ul><li>Trained staff </li></ul></ul><ul><ul><li>Integrated with post-construction review </li></ul></ul><ul><li>Site inspections and enforcement </li></ul><ul><ul><li>Inventory and tracking of sites </li></ul></ul><ul><ul><li>Ability to respond to citizen complaints </li></ul></ul><ul><ul><li>Schedules, routine vs. targeted </li></ul></ul><ul><li>Education </li></ul><ul><ul><li>Builders and developers, citizens, staff </li></ul></ul>
    16. 16. Post-Construction <ul><li>Ordinance/bylaw covering new development and redevelopment – required by 2003 permit </li></ul><ul><ul><li>Requirements for plan review </li></ul></ul><ul><ul><li>Design criteria </li></ul></ul><ul><ul><li>BMP maintenance requirements </li></ul></ul><ul><ul><li>Fines and penalties </li></ul></ul><ul><li>Assessment of street design to support low impact development </li></ul><ul><li>Assessment of regulations to allow green infrastructure practices </li></ul><ul><li>Tracking impervious areas (IA) and implement efforts to reduce IA </li></ul><ul><li>Incorporated MA stormwater standards </li></ul>
    17. 17. Good House Keeping <ul><li>Develop a written program to prevent stormwater pollution from specific municipal activities and facilities </li></ul><ul><li>Standard operating procedures – parks, buildings, vehicles, and roads </li></ul><ul><li>Stormwater Pollution Prevention Plans (SWPPP) for maintenance garages and waste handling facilities </li></ul><ul><ul><li>Facility inspections </li></ul></ul><ul><ul><li>Employee training </li></ul></ul>
    18. 18. Part 3 - Monitoring Program <ul><li>All outfalls and interconnections to other MS4s: </li></ul><ul><ul><li>Dry weather screening and sampling </li></ul></ul><ul><ul><ul><li>Associated with IDDE program </li></ul></ul></ul><ul><ul><ul><li>25 % each year, beginning year 2 </li></ul></ul></ul><ul><ul><li>Wet weather sampling of all outfalls </li></ul></ul><ul><ul><ul><li>Associated with IDDE program </li></ul></ul></ul><ul><ul><ul><li>25 % each year, beginning year 2 </li></ul></ul></ul><ul><ul><ul><li>Alternatives available </li></ul></ul></ul>
    19. 19. Estimated Permit Timeline <ul><li>New Hampshire </li></ul><ul><ul><li>Draft currently available </li></ul></ul><ul><ul><li>Public comment period closed (2/20/09) </li></ul></ul><ul><ul><ul><li>EPA preparing response to comments </li></ul></ul></ul><ul><ul><ul><li>Estimate final permit later in 2010 </li></ul></ul></ul><ul><ul><ul><li>Issue final permit – publish in Federal Register </li></ul></ul></ul><ul><li>Massachusetts </li></ul><ul><ul><li>Drafts are under development </li></ul></ul><ul><ul><ul><li>Anticipate at least 2 general permits </li></ul></ul></ul><ul><ul><ul><li>North Coastal draft permit now available </li></ul></ul></ul><ul><ul><li>Public comment period – February 4, 2010 – March 31, 2010 </li></ul></ul><ul><ul><li>Public meeting and hearing – March 18, 2010 </li></ul></ul><ul><ul><li>Estimate final permits later in 2010 </li></ul></ul><ul><ul><li>Issue final permit – publish in Federal Register </li></ul></ul>
    20. 20. EPA Invites Comments <ul><li>Monitoring requirements </li></ul><ul><li>Impervious cover tracking requirements </li></ul><ul><li>New reporting dates – annually in August </li></ul><ul><li>NOI format, information requested </li></ul><ul><li>New discharger requirements </li></ul><ul><li>When submitting comments, please provide specific alternatives or suggestions </li></ul>
    21. 21. Annual Reports <ul><li>If a new permit not effective by May 1, 2010 </li></ul><ul><li>All MS4s must submit an annual report under the requirements of the 2003 general permit </li></ul>
    22. 22. Questions?