I C G R R Reservoir Mccomb Dam

I C G R R Reservoir Mccomb Dam is an earth dam located in Pike County, Mississippi, built in 1903. It carries a High hazard potential classification and has a satisfactory condition assessment.

About I C G R R Reservoir Mccomb Dam

The primary purpose of I C G R R Reservoir Mccomb Dam 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 Illinois Central Railroad (private). It impounds the Unt Of Clean Creek near Mccomb.

The dam stands 26 feet tall and stretches 2,200 feet across, creates a reservoir covering 53 acres, has a maximum storage capacity of 936 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1903, the structure is over a century old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 03/15/2023.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Mississippi dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateMississippi
CountyPike
Nearest CityMccomb
River/StreamUnt Of Clean Creek
Coordinates31.26317, -90.46165

Physical Characteristics

Dam TypeEarth
NID Height26 ft
Dam Height26 ft
Dam Length2,200 ft
Year Completed1903 (123 years old)

Storage & Hydraulics

NID Storage936 acre-ft
Max Storage936 acre-ft
Normal Storage446 acre-ft
Surface Area53 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerILLINOIS CENTRAL RAILROAD
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection03/15/2023
Emergency Action PlanYes

Identifiers

NID IDMS00570
Federal IDMS00570
More InfoState Dam Safety Program

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