Controlling Polluted Stormwater
A Management Plan for the Sheldrake and Mamaroneck Rivers

Prepared by the Watershed Advisory Committee 4.

This report the product of a two-year effort to improve water quality in the watersheds of these rivers and harbor, as well as Long Island Sound.  The principles of the plan, which includes analyses and recommendations on streams, wetlands, stormwater management systems, municipal comprehensive plans and ordinances, and public outreach and education, have been endorsed by each of the six participating municipalities.

The report is divided up into separate PDF files requiring Adobe Acrobat Reader
 Download Adobe Acrobat Reader to view WAC4 Report Pages in PDF Format.

 

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Table of contents

 

OPENING CREDITS

EXECUTIVE SUMMARY

SECTION ONE - THE PLAN

INTRODUCTION

  1. Stream Assessment and Restoration

  2. Freshwater and Tidal Wetlands

  3. Stormwater Management

  4. Local Comprehensive Plans and Ordinances

  5. Outreach and Education

  6. Funding

SECTION TWO   APPENDIX

  1. US EPA Phase II Stormwater Regulations

  2. Golf Courses and Stormwater Management

  3. Outreach and Education

  4. Municipal Regulatory and Non- Regulatory Tools

  5. Stormwater Management

  6. Wetland and Stream Buffers

  7. Model Ordinances

  • Wetland Protection

  • Erosion and Sediment Control

  • Stormwater Management

  • Wetland and Stream Buffers

  1. Municipal Resolutions Endorsing Principles of WAC4 Plan

  • Harrison

  • Mamaroneck Town

  • Mamaroneck Village

  • New Rochelle

  • Scarsdale

  • White Plains

Maps, tables and figures

MAPS

  1. Long Island Sound WAC's

  2. WAC 4 Study Area

  3. WAC 4 Stream Impairments

  4. WAC 4 Hydrology

  5. WAC 4 Stormwater Basins

  6. WAC 4 Land Use

 

TABLES

Section One

  1. Stream Assessment

  2. Stream Recommendations

  3. Effects of NPS Pollutants from Land  Uses on Wetlands

  4. Stormwater Basin Assessment

  5. Stormwater Basin Recommendations

Section Two

  1. Public Education Techniques

  2. Comparative Assessment of Current BMPs

FIGURES

Section One

  1. Schematic Drawing of  Retention Basin

  2. Schematic Drawing of  Extended Detention Basin

  3. Schematic Drawing of  Extended  Detention Basin with Marsh

  4. Publications for Siting/Sizing

  5. Stormwater Facilities

  6. Floating Wetland Filter

Section Two

  1. Range of Buffer Widths

For more information contact:
Robert Doscher, Principal Environmental Planner
Westchester County Department of Planning
148 Martine Avenue, Room 432
White Plains, NY 10601
(914) 995-4423
rrd1@westchestergov.com

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