State Owned Dams and Flood Control Systems

The recording the for Collins Company Lower Dam public meeting held on July 2, 2024 can be found here.
The recording the for Collins Company Lower Dam public meeting held on September 28, 2023 can be found here

Notice: Repairs to the Tankerhoosen Lake Dam, located at approx. 40 Phoenix St in Vernon, will begin mid-June 2025, and may last 6-8 weeks. The project will consist of injecting grout behind the spillway to prevent seepage through the stone masonry and removing trees from the earthen embankment to prevent root systems from weakening the structure of the embankment. The water level of the lake will be lowered approximately 1.5 feet below the height of the spillway while the work is conducted.  The small park and parking area at Phoenix St/Maple Ave will be used as the construction access and will be closed for the duration of the Project.  The Project contractors are Tata & Howard and D'Amato Construction.

About: The State Dams Section of the Connecticut Department of Energy and Environmental Protection is responsible for maintaining and repairing all publicly State-owned dams in Connecticut.

Contact Information: DEEP.StateDams@ct.gov

Projects Under Construction: 
Tankerhoosen Lake North

Tankerhoosen Lake North Dam Vernon, CT



Permitted Projects
Asylum Reservoir #1 (CVH)

Asylum Reservoir #1 Dam (CVH)

Pickerel Lake

Pickerel Lake Dam

Dooley Pond Dam

Dooley Pond Dam

Wintonbury Flood Control

Wintonbury Dam

 

 

Norwalk River Dam No. 2 Rehabilitation Project


 Completed Projects:
Upper Bolton Lake

Upper Bolton Lake Dam

Pachaug Pond Dam

Pachaug Pond Dam Overview from Left Embankment

Overview of Pachaug Pond Dam

Pachaug Pond Dam Overview from Boat Launch

 
Tingue Dam

Tingue Dam open fish passage weir

 
Related Information:

FEMA Emergency Operations Planning

Flood and Erosion Control Board (FECB)

 

 

Content last updated June 2025