FOR COMMENT Stormwater Management Plan MA MS4 General Permit Requirements EPA NPDES Permit Number: MAR041039 Prepared for: Holbrook, Massachusetts October 2019 Helen Gordon, P.E., BCEE Senior Program Manager FOR COMMENT Quincy, MA • Woburn, MA • Middletown, CT • Hyannis, MA www.envpartners.com TABLE OF CONTENTS CERTIFICATION ..................................................................................................................................... II SMALL MS4 AUTHORIZATION ............................................................................................................. III LIST OF TABLES .................................................................................................................................. IV LIST OF FIGURES .................................................................................................................................. V LIST OF APPENDICES .......................................................................................................................... VI 1. BACKGROUND ............................................................................................................................... 1 1.1 Stormwater Regulation .............................................................................................................. 1 1.2 Permit Program Background ...................................................................................................... 1 1.3 Stormwater Management Plan (SWMP) ..................................................................................... 1 1.4 Town Specific MS4 Background................................................................................................. 2 2. SWMP COMPONENTS .................................................................................................................... 3 2.1 PARTIES INVOLVED IN IMPLEMENTATION ......................................................................................... 3 2.2 DOCUMENTATION REGARDING ENDANGERED SPECIES .................................................................... 3 2.3 DOCUMENTATION REGARDING HISTORIC PROPERTIES ..................................................................... 4 2.4 DOCUMENTATION REGARDING DISCHARGES ................................................................................... 4 2.5 SANITARY SEWER OVERFLOW (SSO) INVENTORY ........................................................................... 5 2.6 IDDE PROGRAM .......................................................................................................................... 5 2.7 SEDIMENT AND EROSION CONTROL PROCEDURES .......................................................................... 6 2.8 PUBLIC DRINKING WATER SUPPLY SOURCES PROTECTION .............................................................. 6 2.9 ACTIVITIES TO MONITOR DISCHARGES ........................................................................................... 6 2.10 ANNUAL PROGRAM EVALUATION ................................................................................................... 6 3. MINIMUM CONTROL MEASURES .................................................................................................. 7 3.1 PUBLIC EDUCATION AND OUTREACH .............................................................................................. 7 3.1.1 Background ........................................................................................................................ 7 3.1.2 Best Management Practices ............................................................................................... 8 3.2 PUBLIC INVOLVEMENT AND PARTICIPATION ..................................................................................... 8 3.2.1 Background ........................................................................................................................ 9 3.2.2 Best Management Practices ............................................................................................... 9 3.3 ILLICIT DISCHARGE DETECTION AND ELIMINATION (IDDE) PROGRAM ................................................. 9 3.3.1 Background ...................................................................................................................... 10 3.3.2 Best Management Practices ............................................................................................. 10 3.4 CONSTRUCTION SITE STORMWATER RUNOFF CONTROL ................................................................ 13 3.4.1 Background ...................................................................................................................... 13 3.4.2 Best Management Practices ............................................................................................. 13 3.5 POST CONSTRUCTION STORMWATER MANAGEMENT IN NEW DEVELOPMENT AND REDEVELOPMENT ... 14 3.5.1 Background ...................................................................................................................... 14 3.5.2 Best Management Practices ............................................................................................. 15 3.6 GOOD HOUSE KEEPING AND POLLUTION PREVENTION FOR PERMITTEE OWNED OPERATIONS ............ 16 3.6.1 Background ...................................................................................................................... 16 3.6.2 Best Management Practices ............................................................................................. 16 4. WATER QUALITY BASED REQUIREMENTS ................................................................................ 19 4.1 BACKGROUND ........................................................................................................................... 20 4.2 PERMIT REQUIREMENTS ............................................................................................................. 21 4.2.1 Public Education and Outreach ......................................................................................... 21 4.2.2 Stormwater Management in New Development and Redevelopment ................................. 21 4.2.3 FORGood House Keeping and PollutionCOMMENT Prevention ................................................................. 21 4.2.4 Illicit Discharge Detection and Elimination ......................................................................... 22 4.2.5 Additional Requirements (Nitrogen and Phosphorus) ........................................................ 22 HOLBROOK SWMP REPORT - 2019 R225-1903 i Certification Authorized Representative (Optional): All reports, including SWPPPs, inspection reports, annual reports, monitoring reports, reports on training and other information required by this permit must be signed by a person described in Appendix B, Subsection 11.A or by a duly authorized representative of that person in accordance with Appendix B, Subsection 11.B. If there is an authorized representative to sign MS4 reports, there must be a signed and dated written authorization. The authorization letter is: Attached to this document (document name listed below) Publicly available at the website below “I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations.” Printed Name Christopher Pellitteri, Superintendent of Public Works Signature Date FOR COMMENT HOLBROOK SWMP REPORT - 2019 R225-1903 ii Small MS4 Authorization The NOI was submitted on October 3, 2018 The NOI can be found at the following (document name or web address): https://www3.epa.gov/region1/npdes/stormwater/ma/tms4noi/holbrook.pdf Authorization to Discharge was granted on April 22, 2019 The Authorization Letter can be found (document name or web address): https://www3.epa.gov/region1/npdes/stormwater/ma/tms4noi/holbrook-auth.pdf FOR COMMENT HOLBROOK SWMP REPORT - 2019 R225-1903 iii UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 1 5 POST OFFICE SQUARE, SUITE 100 BOSTON, MA 02109-3912 VIA EMAIL April 22, 2019 Timothy Gordon Town Administrator And; Chris M. Pellitteri Superintendent of Public Works Public Works Department 50 North Franklin Street Holbrook, MA. 02343 [email protected] Re: National Pollutant Discharge Elimination System Permit ID #: MAR041039, Town of Holbrook Dear Chris M. Pellitteri: The 2016 NPDES General Permit for Stormwater Discharges from Small Municipal Separate Storm Sewer Systems in Massachusetts (MS4 General Permit) is a jointly issued EPA-MassDEP permit. Your Notice of Intent (NOI) for coverage under this MS4 General Permit has been reviewed by EPA and appears to be complete. You are hereby granted authorization by EPA and MassDEP to discharge stormwater from your MS4 in accordance with the applicable terms and conditions of the MS4 General Permit, including all relevant and applicable Appendices. This authorization to discharge expires at midnight on June 30, 2022. For those permitteesFOR that certified Endangered COMMENT Species Act eligibility under Criterion C in their NOI,