CT Stormwater Manual

The MS4 Permit refers to The CT Stormwater Quality Manual in several places. The manual was published by DEEP in 2004and amended in 2011.

  • Towns must require contractors, developers, and construction site operators to maintain consistency with the manual
  • The use of low impact development must meet or exceed the practiices and standards laid out in the manual
  • Disconnections of impervious cover from the stormwater system must be designed, installed, and contained consistent with the manual

Online Stormwater Quality Manual

A new interactive, searchable, online version of the Connecticut Stormwater Quality Manual is available on the main CT NEMO site. The pdf version of the manual, its worksheet, and the 2011 LID amendment can be viewed or downloaded below.

Stormwater Quality Manual

stormwater quality manual chapters 1 through 10

Chapters 1 through 10

 

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stormwater quality manual design guidance

Chapter 11 - Design Guidance

 

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SWQM Appendicies

Appendices

 

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SWQM LID Appendix

LID Appendix - Fuss and O'Neil

 

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Stormwater Quality Worksheet

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