Shiner Lower

YEARIAN CREEK LEMHI RIVER· Lemhi, Idaho· Built 1973· 18 ft tall
Low Hazard Irrigation Private

Key Takeaway

Shiner Lower is classified as low hazard in Idaho. It was completed in 1973 and is 53 years old. Its primary use is irrigation.

Physical Details

Dam Height 18 ft (taller than 20.1% in ID)
Dam Length1,170 ft
Normal Storage50 acre-ft
Surface Area9 acres
Drainage Area21 sq mi
Max Discharge123 cfs
Year Completed1973 (53 years old)
NID IDID00335

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: November 5, 2020
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Shiner Lower?

Shiner Lower 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 Shiner Lower?

Shiner Lower is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Shiner Lower built?

Shiner Lower was completed in 1973, making it 53 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 Shiner Lower?

Shiner Lower 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 Shiner Lower?

Shiner Lower has a dam height of 18 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 Shiner Lower last inspected?

Shiner Lower was last inspected on November 5, 2020. 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.