Tower Hill Lake Dam

FALLS RIVER TRIB· Middlesex, Connecticut· Built 1920· Earth· 20 ft tall
Low Hazard Recreation State Government

Key Takeaway

Tower Hill Lake Dam is classified as low hazard in Connecticut. It was completed in 1920 and is 106 years old. Its primary use is recreation.

Physical Details

Dam Height 20 ft (taller than 72.5% in CT)
Dam Length500 ft
Dam TypeEarth
Max Storage285 acre-ft
Normal Storage285 acre-ft
Surface Area30 acres
Drainage Area1 sq mi
Max Discharge258 cfs
Year Completed1920 (106 years old)
NID IDCT00429

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: October 12, 1988
State Regulated: Yes
Regulatory Agency: DEEP

Ownership

Connecticut DEEP

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tower Hill Lake Dam?

Tower Hill Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Tower Hill Lake Dam?

Tower Hill Lake Dam is owned by Connecticut DEEP (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tower Hill Lake Dam built?

Tower Hill Lake Dam was completed in 1920, making it 106 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Tower Hill Lake Dam?

Tower Hill Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Tower Hill Lake Dam?

Tower Hill Lake Dam has a dam height of 20 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Tower Hill Lake Dam last inspected?

Tower Hill Lake Dam was last inspected on October 12, 1988. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.