S-M-S No. 1

PUDDING RIVER, TRIB TO· Marion, Oregon· Built 1966· Earth· 30 ft tall
Low Hazard Recreation Other Private

Key Takeaway

S-M-S No. 1 is classified as low hazard in Oregon. It was completed in 1966 and is 60 years old. Its primary use is recreation.

Physical Details

Dam Height 30 ft (taller than 58.4% in OR)
Dam Length400 ft
Dam TypeEarth
Max Storage57 acre-ft
Normal Storage52 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
Max Discharge25 cfs
Year Completed1966 (60 years old)
NID IDOR00417

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 7, 2020
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

CODY & BARBARA DUERST

Private

Nearby Dams

Lorence Lake

Marion, OR

Significant Hazard 25 ft

Funrue

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Fox Reservoir

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Low Hazard 25 ft

Barnes Bros. Reservoir

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Significant Hazard 32 ft

Heater Reservoir #2

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Significant Hazard 28 ft

Silver Creek

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High Hazard 65 ft

Koinenia Lake Dam

Marion, OR

Significant Hazard 40 ft

Pettit Reservoir

Marion, OR

Significant Hazard 24 ft

Frequently Asked Questions

What is the hazard classification of S-M-S No. 1?

S-M-S No. 1 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 S-M-S No. 1?

S-M-S No. 1 is owned by CODY & BARBARA DUERST (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was S-M-S No. 1 built?

S-M-S No. 1 was completed in 1966, making it 60 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 S-M-S No. 1?

S-M-S No. 1 serves the following purposes: Recreation, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is S-M-S No. 1?

S-M-S No. 1 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 S-M-S No. 1 last inspected?

S-M-S No. 1 was last inspected on October 7, 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.