Grindstone-Lost-Muddy Watershed Dam A-23

TR-GRINDSTONE CREEK· DeKalb, Missouri· Built 1975· Earth· 20 ft tall
Low Hazard Grade Stabilization Local Government

Key Takeaway

Grindstone-Lost-Muddy Watershed Dam A-23 is classified as low hazard in Missouri. It was completed in 1975 and is 51 years old. Its primary use is grade stabilization.

Physical Details

Dam Height 20 ft (taller than 7.1% in MO)
Dam Length530 ft
Dam TypeEarth
Max Storage114 acre-ft
Normal Storage37 acre-ft
Surface Area2 acres
Drainage Area13 sq mi
Max Discharge287 cfs
Year Completed1975 (51 years old)
NID IDMO50088

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: No

Ownership

GRNSTN-LS-MDY WRSD SBDIS

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Grindstone-Lost-Muddy Watershed Dam A-23?

Grindstone-Lost-Muddy Watershed Dam A-23 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 Grindstone-Lost-Muddy Watershed Dam A-23?

Grindstone-Lost-Muddy Watershed Dam A-23 is owned by GRNSTN-LS-MDY WRSD SBDIS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Grindstone-Lost-Muddy Watershed Dam A-23 built?

Grindstone-Lost-Muddy Watershed Dam A-23 was completed in 1975, making it 51 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 Grindstone-Lost-Muddy Watershed Dam A-23?

Grindstone-Lost-Muddy Watershed Dam A-23 serves the following purposes: Grade Stabilization. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Grindstone-Lost-Muddy Watershed Dam A-23?

Grindstone-Lost-Muddy Watershed Dam A-23 has a dam height of 20 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.