Click on each section to view documents that may be useful to the administration of your MS4 permit.

The NEMO Connecticut MS4 Guide webpage has guidance for municipalities on Good Housekeeping Practices to assist with compliance  with permit requirements, primarily for Minimum Control Measure 6 – Good Housekeeping and Pollution Prevention.

The Central Massachusetts Regional Stormwater Coalition Toolbox webpage has documentation including downloadable SOP templates that can be used by communities to comply with permit requirements, mostly for Minimum Control Measure 6 – Good Housekeeping and Pollution Prevention. (Please review all applicable disclaimers on the CMRSWC website.)



Developing a Sustainable Community – A Guide to Help Connecticut Communities Craft Plans
and Regulations that Protect Water Quality (CT NEMO, 2009)

The State of Low Impact Development in Connecticut (CLEAR, 2015)

Better Site Design Handbook – Part 1 (Center for Watershed Protection, 1998)

Better Site Design Handbook – Part 2 (Center for Watershed Protection, 1998)

Code and Ordinance Worksheet (Center for Watershed Protection, 2017)

The documents below were developed by the Center for Land Use Education and Research (CLEAR) at the University of Connecticut and are available on the Implementation page of their Connecticut MS4 Guide website. CLEAR notes that “The examples we provide below don’t substitute for real legal advice! Please be sure to consult your legal experts or town attorney.”

IDDE Legal Authority:

Construction Site Legal Authority:

Post-Construction Legal Authority:

  • (Coming Soon!)