![]() This draft permit covers the North Coastal region, including but not limited to the watersheds of the Charles River and Neponset River. The Notice of Availability of the draft General Permit for Discharges from Small Municipal Separate Storm Sewer Systems (MS4) located in North Coastal Massachusetts was published in the Federal Register on Febru(See 75 FR 5788). One for eligible Operators located in the state of New Hampshire and two separate Massachusetts permits one for Operators located in the North Coastal watershed and the other for those located in the Interstate, Merrimack and South Coastal watersheds. This permit expired on but remains in effect for authorized Operators until operators are authorized under the 2016 MS4 general permit.ĭuring 2008 - 2010 EPA issued three separate draft Small MS4 General permits to replace the 2003 Small MS4 permit. On May 1, 2003, EPA Region 1 issued its Final General Permit for Stormwater Discharges From Small Municipal Separate Storm Sewer Systems (2003 small MS4 permit) that covers "traditional" (i.e., cities and towns) and "non-traditional" (i.e., Federal and state agencies) MS4 Operators located in the states of Massachusetts and New Hampshire. EPA will authorize the discharge, request additional information, or require the small MS4 to apply for an alternative permit or an individual permit. A small MS4 operator will be authorized to discharge under the permit upon receipt of written notice from EPA following a public notice of the submitted NOI. EPA will post all NOIs for public review and comment for 30 days on the following website. A small MS4 operator must meet the eligibility requirements of the general permit found in Part 1.2 and Part 1.9 prior to submission of its NOI. In order for a small MS4 operator to obtain authorization to discharge, it must submit a complete and accurate Notice of Intent (NOI) containing the information in Appendix E of the 2016 general permit. Permit At-A-Glance Fact Sheet (pdf) (482 KB).Six Minimum Control Measures Overview (pdf) (60 KB).Introduction to the MA MS4 General Permit Response to Comments on 2020 Permit Modifications (pdf) (432 KB).Appendix H - Requirements Related to Discharges to Certain Water Quality Limited Waterbodies (pdf) (238 KB).Appendix G - Impaired Waters Monitoring Parameter Requirements (pdf) (64 KB).Appendix F - Requirements of Approved Total Maximum Daily Loads (pdf) (823 KB).Suggested Template - Appendix E - Notice of Intent (NOI) (pdf) (407 KB).Appendix E - Suggested Format and Required Information for the Notice of Intent (NOI) - Printable (pdf) ( 740 KB).Appendix D - National Historic Preservation Act Eligibility Guidance (pdf) (67 KB).Appendix C - Endangered Species Act Eligibility Guidance (pdf) (69 KB). ![]() Appendix B - Standard Permit Conditions (pdf) (51 KB).Appendix A - Definitions, Abbreviations and Acronyms (pdf) (191 KB).Final 2016 Massachusetts Small MS4 General Permit including 2020 Modifications (pdf) (793 KB). ![]() For all Authorization Letters and Annual Reports for this Permit see. For all other documents related to the 2016 Final MA MS4 General Permit see the History section of this webpage. The current permit and appendices, including all modifications, as well as the response to comments on the modifications are available below. EPA proposed modifications to the 2016 MA MS4 General Permit on Apand finalized those modifications on December 7, 2020. The 2016 Massachusetts Small MS4 General Permit was signed Apand became effective July 1, 2018. ![]() Massachusetts Stormwater News September 2020: Collaboration is Key: Successful Regulation Updates in the Neponset River Watershed (pdf) (810 KB)Ĭurrent MA MS4 General Permit (Effective Jwith Modification Effective January 6, 2021) All documents pertaining to this modification can also be found on under EPA Docket EPA-R01-OW-2020-0216. ![]() See below for Final Permit documents including all modifications. The Modifications become effective January 6, 2021. Information on Previous Permits, Draft Permits and ModificationsĮPA finalized the modifications to the 2016 MA MS4 General Permit on December 7, 2020. ![]()
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