DEEP Watershed Management Plans and Documents

map showing towns with watershed based plans shaded

Watershed Based Plans

Connecticut Towns * Date
Amos Lake Preston Approved 2016
Baker Cove Groton Approved 2011
Bantam Lake Watershed-Based Plan Addendum Goshen, Litchfield, Morris and Torrington Approved 2021
Broad Brook East Windsor, Ellington, Somers, Tolland Approved 2010
Greenwich Approved 2011
Crandall Pond Tolland Approved 2015
Coginchaug River Durham, Guilford, Madison, Meriden, Middlefield, Middletown, North Branford, Wallingford Approved 2008
Eagleville Brook Mansfield Approved 2011
Ekonk Brook Sterling, Plainfield Approved 2016
Darien, New Canaan, Norwalk Approved 2012
Flat Brook Ledyard, Groton Approved 2013
French River Thompson, CT & Dudley, Webster, Charlton, Oxford, Spencer, Leicester, Auburn, Millbury, and Sutton, MA  Approved 2017
Hatch Pond Watershed Kent Approved 2014
Lake Pocotopaug East Hampton Approved 2019
Little River -Muddy Brook - Roseland Lake Woodstock, Thompson, Putnam, Pomfret Approved 2009
Mashamoquet Brook Pomfret, Brooklyn Approved 2011
Greenwich, Stamford Approved 2012
Mill Brook Cornwall Approved 2008
Stamford Approved 2013
Mill River Hamden, Cheshire, New Haven, Wallingford, North Haven, Prospect, Bethany Approved 2018
Mill River Fairfield, Easton, Trumbull,   Approved 2019
Morgan Brook Barkhamsted, Winchester, New Hartford Approved 2012
Lower Natchaug River Mansfield, Windham Approved 2014
Niantic River East Lyme, Montville, Salem, Waterford Approved 2006, Updated 2021
North Branch Park River  Avon, Bloomfield, Hartford, Simsbury, West Hartford, Windsor, Approved 2010
Northfield Brook Thomaston, Litchfield Approved 2009
Norwalk River Norwalk, New Canaan, Ridgefield, Redding, Weston, Wilton, Approved 2011
Pequabuck River Bristol, Plainville, Burlington, Farmington, Harwinton, Plymouth, Wolcott Approved 2019
Pequonnock River Bridgeport, Monroe, Trumbull, Approved 2011
Pomperaug River Southbury, Woodbury, Bethlehem, Washington, Watertown, Roxbury, Middlebury, Morris Approved 2018
Quinnipiac River Bristol, Cheshire, Farmington, Hamden,  Meriden, New Britain, Plainville, Prospect, Southington,   Wallingford, Wolcott, Approved 2014
Rooster River Bridgeport, Fairfield, Trumbull Approved 2013
Roseland Lake Woodstock Approved 2018
Easton, Fairfield, Westport Approved 2011
Bethel, Easton, Fairfield, Monroe, Newtown, Redding, Ridgefield, Weston, Westport, Wilton, Norwalk Approved 2012
Spaulding Pond Norwich Approved 2010
Steele Brook Watertown, Waterbury Approved 2009
Still River Bethel, Brookfield, Danbury, Newtown, New Fairfield, New Milford, Redding, Ridgefield Approved 2019
Tankerhoosen River Bolton, Manchester, Tolland, Vernon, Approved 2009
West River New Haven, West Haven, Bethany, Hamden, Prospect, Woodbridge Approved 2015

Implementation Watershed Based Plans

Coles Brook 2007
Hockanum River - Manchester 2009
Hockanum River - Vernon 2010
Hockanum River - sub-basin 4500-14-1_Manchester 2007
Little Brook 2007
Mattabesset River and Chestnut (reach 13&14) 2008
Miner Brook 2009
Morgan Brook 2010

Additional Watershed Plans

Eight Mile River Watershed Management Plan 2005
Fenger Brook Watershed Management Study 1996
Hockanum State of the Watershed Report 2005
Jordan Brook Watershed Management Plan 2000
Little River Source Water Protection Plan 2005
Mattabesset River Watershed Plan 2000
Mount Hope River Implementation-based Watershed Planning and Developed Land BMP Matrix 2014
Norwalk River Action Plan 1998
Pawcatuck River Estuary and Little Narragansett Bay Interstate Management Plan 1991
Quinnipiac River Watershed Management Plan 2004
Saugatuck River Watershed Partnership Plan 2006
Stony Brook Watershed Management Study (Waterford) 2009

DEEP Approved Watershed Based Plans

Coginchaug Watershed-based Plan 2008, (NRCS) (15 files)
CWBP Maps 1-8 (PDF, 5.4 MB)
CWBP Map 9 (PDF, 12.7 MB)
CWBP Map 10 (PDF, 10.7 MB)
CWBP Map 10 with text (PDF, 10.7 MB)
CWBP Maps 14-16 (PDF, 1.9 MB)
CWBP Map 17 (PDF, 26.8 MB)
CWBP Map 18 (PDF, 27.6 MB)
CWBP Map 19 (PDF, 26.9 MB)
CWBP Maps 22-24 (PDF, 14.6 MB)
CWBP Map 25 (PDF, 40.1 MB)
CWBP Map 26 (PDF, 38.2 MB)
CWBP Map 27 (PDF, 38.1MB)
CWBP Map 28 (PDF, 36.4 MB)
CWBP Map 29 (PDF, 26.9 MB)
CWBP Guided Summary 2011 (PDF, 1.1 MB)
Mill River Watershed Based Plan 2019 (PDF, 17.1 MB) (Fairfield, Easton, Trumbull, etc)
Mill River Watershed Based Plan 2018 (New Haven, Hamden, Cheshire, etc)
Appendix A-F  (PDF, 9.5 MB)
Watershed Map (PDF, 12.1 MB)
Guided Summary (PDF, 1.5 MB) derived from NRWPP in March 2009
NRWPP Part 1 of 7 (PDF, 11.9 MB) Report 1.0-4.4.5
NRWPP Part 2 of 7 (PDF, 15.2 MB) Report 4.5-8.0
NRWPP Part 3 of 7 (PDF, 11.3 MB) Appendix A-F4
NRWPP Part 4 of 7 (PDF, 19.4 MB) Appendix F5p1
NRWPP Part 5 of 7 (PDF, 19.4 MB) Appendix F5p2
NRWPP Part 6 of 7 (PDF, 19.4 MB) Appendix F5p3
NRWPP Part 7 of 7 (PDF, 24.2 MB) Appendix F5p4-G
   Section D Upland Photos 11-19-09 Upland Photos 11-24-09
Stream Photos
Pequonnock River Watershed Based Plan includes Appendices C-H (PDF, 10.5 MB)
   Appendix A: Baseline Watershed Assessment Report (PDF, 9.6 MB)
   Appendix B: Field Assessment Report (PDF, 4.5 MB)
      App. B. section A: F.A.R. Maps (PDF, 10.4MB)
      App. B. section B: Stream Corridor Field Sheets 
      App. B. section C: Upland Field Sheets (PDF, 4.2MB) 
      App. B. section D: Photos  
Sasco Brook Final Watershed Based Plan (PDF, 15.8 MB) (does not include cover page, figures, and TMDLs)
SBWBP Map 17 (PDF, 15.0 MB)
SBWBP Map 18 (PDF, 15.0 MB)
SBWBP Map 19 (PDF, 15.5 MB)
SBWBP Appendix E: Heminway Pond Dam Removal Feasibility Analysis
SBWBP App E, Appendix C (PDF, 26.5 MB)
SBWBP App E, Appendix G (PDF, 67.7 MB)
Still River Watershed Based Plan 2019 (PDF, 22.6 MB) (Bethel, Brookfield, Danbury, Newtown, New Fairfield, New Milford, Redding, Ridgefield)
Still River Watershed Based Plan Appendices D,E (PDF, 426 MB)
TWBP Figures (PDF, 7.0 MB)
TWBP Appendix A (PDF, 25.8 MB)
TWBP Appendix B (PDF, 1.3 MB)
TWBP Appendix C (PDF, 8.7 MB)
WRWBP Appendices B,D,E,G,H (PDF) September 2015
WRWBP Appendix F (PDF) September 2015

Additional Watershed Planning Documents and outreach materials:

Jordan Cove Urban Watershed Project 2006 (JCUWP) A 10-year, paired basin watershed investigation of water quality and quantity benefits, using pollution prevention BMPs, compared to a traditionally constructed residential subdivision.
NRWI A.P. Part 1 of 3 (PDF, 10.7 MB)
NRWI A.P. Part 2 of 3 (PDF, 10.0 MB)
NRWI A.P. Part 3 of 3 (PDF, 10.2 MB)
DEEP Rainfall as a Resource, Low Impact Development Brochure Series:
These brochures can be printed on legal size paper, double sided in color, and quad-folded to make brochures.  Printed copies may also be available from DEEP. 2008 Resident's Guide to Low Impact Development (PDF) 2009 Resident's Guide to Rain Gardens (PDF) 2009 Resident's Guide to Rain Barrels (PDF) 2009 Resident's Guide to Pervious Pavement (PDF) 2010 Residents Guide to Green Roofs (PDF)  
Content last updated September 12, 2022