Resources for

drainage

Mapper

Level of Effort:

CTDOT Drainage Network Interactive Map

This interactive map published by the CTDOT in March 2025 allows users to view data layers that make up the state-owned and maintained drainage network across Connecticut. Culvert locations are included, as well as their water source, material components, type of conveyance, diameter, length, last inspection date, and maintenance information. Note that an ArcGIS login is required to access this resource.

Connecticut State
Flooding
Aquatic Resources
Stormwater Management
Infrastructure
Extreme Weather & Storms

Resource

Level of Effort:

Culverts and Climate Resilience Fact Sheet

This fact sheet produced by the Connecticut Institute for Resilience and Climate Adaptation (CIRCA) reviews how culverts are defined in Connecticut, explains their connection to climate resilience, provides examples of how Connecticut towns are addressing needs for upgraded culverts, and highlights related resources.

Connecticut State
Flooding
Habitat
Nature-based Solutions
Stormwater Management
Infrastructure
Extreme Weather & Storms
Green Infrastructure

Resilience Steps

Connect

LISP
EPA Sea Grant New York Sea Grant Connecticut