Milan Lake Dam South

Milan Lake Dam South is an earth dam located in Sullivan County, Missouri, built in 1940. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Milan Lake Dam South

The primary purpose of Milan Lake Dam South is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Milan (local government). It impounds the Tr-locust Creek near Milan.

The dam stands 36 feet tall and stretches 700 feet across, creates a reservoir covering 36 acres, has a maximum storage capacity of 562 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1940, the structure is well-established, with more than 75 years of service.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 03/03/2020.

At 36 feet, this dam is taller than 83% of dams nationwide.

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Low HazardSatisfactory ConditionEmergency Action Plan: No

Location

StateMissouri
CountySullivan
Nearest CityMilan
River/StreamTr-locust Creek
Coordinates40.19747, -93.10470

Physical Characteristics

Dam TypeEarth
NID Height36 ft
Dam Height36 ft
Dam Length700 ft
Year Completed1940 (86 years old)

Storage & Hydraulics

NID Storage562 acre-ft
Max Storage562 acre-ft
Normal Storage562 acre-ft
Surface Area36 acres
Drainage Area1 sq mi
Max Discharge847 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerCITY OF MILAN
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection03/03/2020
Emergency Action PlanNo

Identifiers

NID IDMO10398
Federal IDMO10398
More InfoState Dam Safety Program

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