Lake Gloriette Dike

MOHAWK RIVER· Coos, New Hampshire· Built 1913· Earth· 34 ft tall
High Hazard Recreation State Government

Key Takeaway

Lake Gloriette Dike is classified as high hazard in New Hampshire. It was completed in 1913 and is 113 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 34 ft (taller than 90.6% in NH)
Dam Length240 ft
Dam TypeEarth
Max Storage640 acre-ft
Normal Storage300 acre-ft
Surface Area26 acres
Drainage Area2 sq mi
Year Completed1913 (113 years old)
Year Modified1968
NID IDNH00168

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: October 18, 2022
State Regulated: Yes
Regulatory Agency: NH DES

Ownership

NH DOT

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Gloriette Dike?

Lake Gloriette Dike is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Lake Gloriette Dike?

Lake Gloriette Dike is owned by NH DOT (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Gloriette Dike built?

Lake Gloriette Dike was completed in 1913, making it 113 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 Lake Gloriette Dike?

Lake Gloriette Dike 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 Lake Gloriette Dike?

Lake Gloriette Dike has a dam height of 34 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 Lake Gloriette Dike last inspected?

Lake Gloriette Dike was last inspected on October 18, 2022. 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.