Blodgett Lake

BLODGETT CREEK· Ravalli, Montana· Built 1911· Earth· 14 ft tall
Low Hazard Irrigation Private

Key Takeaway

Blodgett Lake is classified as low hazard in Montana. It was completed in 1911 and is 115 years old. Its primary use is irrigation.

Physical Details

Dam Height 14 ft (taller than 15.6% in MT)
Dam Length100 ft
Dam TypeEarth
Normal Storage336 acre-ft
Surface Area28 acres
Drainage Area1 sq mi
Year Completed1911 (115 years old)
NID IDMT00846

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: July 20, 2003
State Regulated: Yes
Regulatory Agency: DNRC

Ownership

THOMAS DUNBAR

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Blodgett Lake?

Blodgett Lake 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 Blodgett Lake?

Blodgett Lake is owned by THOMAS DUNBAR (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Blodgett Lake built?

Blodgett Lake was completed in 1911, making it 115 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 Blodgett Lake?

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

How tall is Blodgett Lake?

Blodgett Lake has a dam height of 14 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 Blodgett Lake last inspected?

Blodgett Lake was last inspected on July 20, 2003. 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.