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Notice of Intent RIPDES Phase II Stormwater Management Plan Providence Rhode Island Prepared for Rhode Island Department of Transportation Providence, Rhode Island Prepared by /Vanasse Hangen Brustlin, Inc. Providence, Rhode Island September 2003 Vanasse Hangen Brustlin, Inc. Table of Contents Introduction .........................................................................................................................1-1 Mission....................................................................................................................................1-1 Goals ......................................................................................................................................1-1 Regulatory requirement ..........................................................................................................1-2 General Objectives of the SWMPP.........................................................................................1-3 Document Organization..........................................................................................................1-4 Storm Water Advisory Committee ..................................................................................2-1 Committee Organization.........................................................................................................2-1 Responsibilities.......................................................................................................................2-3 Six Minimum Control Measures......................................................................................3-1 General Requirements............................................................................................................3-1 Prioritize Plan Implementation ................................................................................3-2 Identify Water Bodies and Outfalls..........................................................................3-3 Critical Habitat and Endangered Species ...............................................................3-3 Cooperation with Other Entities ..............................................................................3-3 Qualifying Local Programs......................................................................................3-3 Best Management Practice Decision Process........................................................................3-4 Measure 1 - Public Education and Outreach..........................................................................3-6 Permit Requirement................................................................................................3-6 Best Management Practices – Rationale Statement ..............................................3-6 Best Management Practices – Implementation Plan ..............................................3-7 Measure 2 - Public Participation/Involvement.........................................................................3-8 Permit Requirement................................................................................................3-8 Best Management Practices – Rationale Statement ..............................................3-9 Best Management Practices – Implementation Plan ............................................3-12 Measure 3 - Illicit Discharge Detection and Elimination........................................................3-13 Permit Requirement..............................................................................................3-13 Best Management Practices – Rationale Statement ............................................3-13 Legal Authority......................................................................................................3-15 Best Management Practices – Implementation Plan ............................................3-16 Measure 4 - Construction Site Runoff Control......................................................................3-22 Permit Requirement..............................................................................................3-22 Best Management Practices – Rationale Statement ............................................3-22 Best Management Practices – Implementation Plan ............................................3-24 Measure 5 - Post-Construction Runoff Control.....................................................................3-27 ri-data\projects\71503\docs\ reports\RIDOT_SWMP.doc i Table of Contents Vanasse Hangen Brustlin, Inc. Permit Requirement..............................................................................................3-27 Best Management Practices – Rationale Statement ............................................3-27 Legal Authority......................................................................................................3-29 Best Management Practices – Implementation Plan ............................................3-29 Measure 6 - Pollution Prevention/Good Housekeeping........................................................3-31 Permit Requirement..............................................................................................3-31 Best Management Practices – Rationale Statement ............................................3-31 Best Management Practices – Implementation Plan ............................................3-32 Cooperation with Interconnected MS4s................................................................................3-38 Source Control......................................................................................................................3-38 Additional Requirements..................................................................................................4-1 Endangered Species Act ........................................................................................................4-1 Essential Fish Habitat.............................................................................................................4-1 National Register of Historic Places Properties......................................................................4-2 Discharges to Water Quality Impaired Waters........................................................................4-2 Water Quality Impaired Waters within the RIDOT MS4..........................................4-4 Discharges with Established Total Maximum Daily Loads ...................................................4-11 Scrabbletown Brook TMDL...................................................................................4-11 Fry Brook TMDL....................................................................................................4-13 Hunt River TMDL ..................................................................................................4-15 Pettaquamscutt (Narrow) River TMDL..................................................................4-17 Palmer River TMDL ..............................................................................................4-19 Stafford Pond TMDL .............................................................................................4-21 Crooked Brook TMDL ...........................................................................................4-22 Saugatucket River TMDL......................................................................................4-22 Runnins River TMDL.............................................................................................4-25 Barrington River TMDL .........................................................................................4-27 TMDL Action Summary.........................................................................................................4-30 Evaluation and Assessment ..............................................................................................5-1 Program Evaluation Requirements.........................................................................................5-1 Record Keeping......................................................................................................................5-2 Reporting ................................................................................................................................5-2 References ............................................................................................................................6-1 Attachments A – 5-Year Outline B – Outfall Mapping Information C – University of Rhode Island Cooperative Extension Partnership for Public Outreach and Participation ri-data\projects\71503\docs\ reports\RIDOT_SWMP.doc ii Table of Contents Vanasse Hangen Brustlin, Inc. Tables Table No. Description Page 1 Planned RIDOT Enhancements Projects that will serve to Improve Water Quality................................................................................................. 3-9 2 Water Quality Impaired Waters Crossing Rhode Island Department of Transportation Maintained Roads....................................................... 4-5 3 Summary of TMDLs, RIDOT Responsibilities, and RIDEM Recommended BMPs................................................................................................. 4-29 ri-data\projects\71503\docs\ reports\RIDOT_SWMP.doc iii Table of Contents Vanasse Hangen Brustlin, Inc. Figures Figure No. Description Follows Page 1 Urbanized Area Map ............................................................................. 3-1 ri-data\projects\71503\docs\ reports\RIDOT_SWMP.doc iv Table of Contents Vanasse Hangen Brustlin, Inc. 1 Introduction The Rhode Island Department of Transportation