La Plata New City Dam

TRTITUS CREEK· Macon, Missouri· Built 1980· Earth· 43 ft tall
Low Hazard Water Supply Recreation Local Government

Key Takeaway

La Plata New City Dam is classified as low hazard in Missouri. It was completed in 1980 and is 46 years old. Its primary use is water supply.

Physical Details

Dam Height 43 ft (taller than 91.5% in MO)
Dam Length1,000 ft
Dam TypeEarth
Max Storage929 acre-ft
Normal Storage667 acre-ft
Surface Area81 acres
Drainage Area1 sq mi
Max Discharge1,030 cfs
Year Completed1980 (46 years old)
NID IDMO12126

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: January 10, 2023
State Regulated: Yes
Regulatory Agency: Dam and Reservoir Safety Program

Ownership

CITY OF LA PLATA

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of La Plata New City Dam?

La Plata New City 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 La Plata New City Dam?

La Plata New City Dam is owned by CITY OF LA PLATA (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was La Plata New City Dam built?

La Plata New City Dam was completed in 1980, making it 46 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 La Plata New City Dam?

La Plata New City Dam serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is La Plata New City Dam?

La Plata New City Dam has a dam height of 43 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 La Plata New City Dam last inspected?

La Plata New City Dam was last inspected on January 10, 2023. 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.