THE REGIONAL STORMWATER COLLABORATIVE

SECOG facilitates and staffs the Regional Stormwater Collaborative (RSC). The RSC brings municipalities together to discuss and collaborate on shared stormwater management issues, explore regional developments in green infrastructure and utility improvements, and stay current on MS4 compliance. Meetings are held quarterly. If interested to learn more or attend an RSC meeting, email Dominic Anziano at [email protected].The MS4 municipalities in the SECOG region include: East Lyme, Griswold, Groton, Ledyard, Lisbon, Montville, New London, Norwich, Sprague, Stonington, and Waterford.

Upcoming meetings:

• March 26th, 2026 at 8:30 AM, SECOG Office
• June 25th, 2026 at 8:30 AM, SECOG Office & Virtual
• Sep. 24th, 2026 at 8:30 AM, SECOG Office & Virtual

DECEMBER 15, 2025 STORMWATER UTILITY WORKSHOP MATERIALS

On December 15, 2025, SECOG, City of New London, and ARCADIS held an information session on Setting Up a Municipal Stormwater Utility. Presentation content covered how stormwater utilities can serve as an effective tool for reducing flooding and improving water quality, and the process by which stormwater utilities are established based on the experience of the City of New London. A video of the session and presentation materials are provided below.

• December 15th, 2025 Presentation slides
• Presentation Recording

2023 SECOG MUNICIPAL STORMWATER UTILITY FEASIBILITY STUDY

In 2022, SECOG secured a Municipal Resilience Grant from the Connecticut Institute for Resilience and Climate Adaptation to conduct a municipal stormwater authority feasibility study. Four member municipalities – Ledyard, Preston, Stonington, and Waterford – participated in the study as model communities. Read through study findings at this link: 2023 Municipal Stormwater Utility Feasibility Report or review the digital Stormwater Utility Resource Guide below for key findings.

Map Optimized for Mobile

UCONN CT NEMO Program – an educational implementation guide on Connecticut’s MS4 permit geared towards municipal officials and planners in qualifying cities and towns.

General Permit for the Discharge of Stormwater from Small
Municipal Separate Storm Sewer Systems (MS4) – click through to explore the recently updated MS4 permit.