Old Quarry Lake Dam

TR- Winnebago River· Cerro Gordo, Iowa· Built 1977· Earth· 13 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Old Quarry Lake Dam is classified as significant hazard in Iowa. It was completed in 1977 and is 49 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 13 ft (taller than 3.8% in IA)
Dam Length1,012 ft
Dam TypeEarth
Max Storage230 acre-ft
Normal Storage152 acre-ft
Surface Area24 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1977 (49 years old)
NID IDIA01900

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 19, 2018
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

Cerro Gordo County Conservation Board

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Old Quarry Lake Dam?

Old Quarry Lake Dam 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 Old Quarry Lake Dam?

Old Quarry Lake Dam is owned by Cerro Gordo County Conservation Board (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Old Quarry Lake Dam built?

Old Quarry Lake Dam was completed in 1977, making it 49 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 Old Quarry Lake Dam?

Old Quarry Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Old Quarry Lake Dam?

Old Quarry Lake Dam has a dam height of 13 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 Old Quarry Lake Dam last inspected?

Old Quarry Lake Dam was last inspected on June 19, 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.