Lofton Reservoir (Lake)

FISHHOLE CREEK, TRIB SPRAGUE RIVER· Lake, Oregon· Built 1962· Earth· 30 ft tall
Low Hazard Irrigation Recreation State Government

Key Takeaway

Lofton Reservoir (Lake) is classified as low hazard in Oregon. It was completed in 1962 and is 64 years old. Its primary use is irrigation.

Physical Details

Dam Height 30 ft (taller than 58.4% in OR)
Dam Length265 ft
Dam TypeEarth
Max Storage650 acre-ft
Normal Storage550 acre-ft
Surface Area33 acres
Drainage Area2 sq mi
Max Discharge120 cfs
Year Completed1962 (64 years old)
NID IDOR00360

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: October 21, 2014
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

OREGON DEPARTMENT OF FISH AND WILDLIFE

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lofton Reservoir (Lake)?

Lofton Reservoir (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 Lofton Reservoir (Lake)?

Lofton Reservoir (Lake) is owned by OREGON DEPARTMENT OF FISH AND WILDLIFE (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lofton Reservoir (Lake) built?

Lofton Reservoir (Lake) was completed in 1962, making it 64 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 Lofton Reservoir (Lake)?

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

How tall is Lofton Reservoir (Lake)?

Lofton Reservoir (Lake) has a dam height of 30 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 Lofton Reservoir (Lake) last inspected?

Lofton Reservoir (Lake) was last inspected on October 21, 2014. 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.