Upper Kimball Pond Dam

TR LOWER KIMBALL POND· Carroll, New Hampshire· Built 1800· Earth· 10 ft tall
High Hazard Recreation State Government

Key Takeaway

Upper Kimball Pond Dam is classified as high hazard in New Hampshire. It was completed in 1800 and is 226 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 10 ft (taller than 16% in NH)
Dam Length230 ft
Dam TypeEarth
Max Storage1.1K acre-ft
Normal Storage570 acre-ft
Surface Area169 acres
Drainage Area8 sq mi
Max Discharge1,750 cfs
Year Completed1800 (226 years old)
Year Modified2010
NID IDNH00149

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 DES WATER DIVISION

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Upper Kimball Pond Dam?

Upper Kimball Pond Dam 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 Upper Kimball Pond Dam?

Upper Kimball Pond Dam is owned by NH DES WATER DIVISION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Upper Kimball Pond Dam built?

Upper Kimball Pond Dam was completed in 1800, making it 226 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 Upper Kimball Pond Dam?

Upper Kimball Pond 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 Upper Kimball Pond Dam?

Upper Kimball Pond Dam has a dam height of 10 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 Upper Kimball Pond Dam last inspected?

Upper Kimball Pond Dam 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.