Maynes Grove West Dam

TR- MAYNES CREEK· Franklin, Iowa· Built 1992· Earth· 27 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Maynes Grove West Dam is classified as low hazard in Iowa. It was completed in 1992 and is 34 years old. Its primary use is recreation.

Physical Details

Dam Height 27 ft (taller than 30.7% in IA)
Dam Length433 ft
Dam TypeEarth
Max Storage78 acre-ft
Normal Storage45 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1992 (34 years old)
NID IDIA02610

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
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

Franklin County Conservation Board

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Maynes Grove West Dam?

Maynes Grove West Dam 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 Maynes Grove West Dam?

Maynes Grove West Dam is owned by Franklin County Conservation Board (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Maynes Grove West Dam built?

Maynes Grove West Dam was completed in 1992, making it 34 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 Maynes Grove West Dam?

Maynes Grove West 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 Maynes Grove West Dam?

Maynes Grove West Dam has a dam height of 27 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.

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.