Cedar Grove Lake

SORENSON· Clackamas, Oregon· Earth· 11 ft tall
Significant Hazard Irrigation Private

Key Takeaway

Cedar Grove Lake is classified as significant hazard in Oregon. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 11 ft (taller than 5.4% in OR)
Dam Length0 ft
Dam TypeEarth
Max Storage0 acre-ft
Normal Storage14 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Max Discharge0 cfs
NID IDOR01351

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: June 28, 2018
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

RYAN J DISSEN

Private

Nearby Dams

Porter Cc Reservoir (Clackamas)

Clackamas, OR

Low Hazard 21 ft

Teasel Creek

Clackamas, OR

Significant Hazard 21 ft

Buche (Clackamas)

Clackamas, OR

High Hazard 33 ft

Day Reservoir

Clackamas, OR

Significant Hazard 26 ft

Beyer Reservoir

Clackamas, OR

Significant Hazard 36 ft

Mitchell - Stanley Reservoir

Clackamas, OR

Low Hazard 25 ft

Vandecoevering

Clackamas, OR

Low Hazard 15 ft

Anderson - Roy Reservoir

Clackamas, OR

Low Hazard 25 ft

Frequently Asked Questions

What is the hazard classification of Cedar Grove Lake?

Cedar Grove Lake is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Cedar Grove Lake?

Cedar Grove Lake is owned by RYAN J DISSEN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Cedar Grove Lake?

Cedar Grove 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 Cedar Grove Lake?

Cedar Grove Lake has a dam height of 11 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 Cedar Grove Lake last inspected?

Cedar Grove Lake was last inspected on June 28, 2018. 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.