Andy Hill Reservoir

ANTELOPE CREEK, TRIB TO· Lake, Oregon· Built 1961· Earth· 21 ft tall
Low Hazard Irrigation Private

Key Takeaway

Andy Hill Reservoir is classified as low hazard in Oregon. It was completed in 1961 and is 65 years old. Its primary use is irrigation.

Physical Details

Dam Height 21 ft (taller than 33.9% in OR)
Dam Length450 ft
Dam TypeEarth
Max Storage140 acre-ft
Normal Storage106 acre-ft
Surface Area14 acres
Drainage Area1 sq mi
Max Discharge45 cfs
Year Completed1961 (65 years old)
NID IDOR00353

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: August 8, 2012
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

JEREMY CLARK & MICHALINA ROMANO

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Andy Hill Reservoir?

Andy Hill Reservoir 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 Andy Hill Reservoir?

Andy Hill Reservoir is owned by JEREMY CLARK & MICHALINA ROMANO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Andy Hill Reservoir built?

Andy Hill Reservoir was completed in 1961, making it 65 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 Andy Hill Reservoir?

Andy Hill Reservoir 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 Andy Hill Reservoir?

Andy Hill Reservoir has a dam height of 21 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 Andy Hill Reservoir last inspected?

Andy Hill Reservoir was last inspected on August 8, 2012. 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.