Gristmill Pond

Eskutassis· Penobscot, Maine· Built 1978· Concrete· 15 ft tall

Key Takeaway

Gristmill Pond is classified as low hazard in Maine. It was completed in 1978 and is 48 years old. Its primary use is hydroelectric.

Physical Details

Dam Height 15 ft (taller than 51.7% in ME)
Dam Length700 ft
Dam TypeConcrete
Max Storage1.4K acre-ft
Normal Storage410 acre-ft
Surface Area117 acres
Drainage Area17 sq mi
Year Completed1978 (48 years old)
NID IDME00605

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
State Regulated: Yes
Regulatory Agency: MEMA

Ownership

Robert Kelly

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Gristmill Pond?

Gristmill Pond 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 Gristmill Pond?

Gristmill Pond is owned by Robert Kelly (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Gristmill Pond built?

Gristmill Pond was completed in 1978, making it 48 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 Gristmill Pond?

Gristmill Pond serves the following purposes: Hydroelectric, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Gristmill Pond?

Gristmill Pond has a dam height of 15 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.

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.