Mud Gulch Det. Mg-1

Mud Gulch Det. Mg-1 is an earth dam located in Fremont County, Colorado, built in 1971. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Mud Gulch Det. Mg-1

The primary purpose of Mud Gulch Det. Mg-1 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Fremont County Engineer (teigen, Lucas) (local government). It impounds the Arkansas River-tr near Florence.

The dam stands 69 feet tall and stretches 428 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 773 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1971, the structure is well into its service life at over 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. 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 05/20/2021.

At 69 feet, this dam is taller than 96% of all dams in the United States.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateColorado
CountyFremont
Nearest CityFlorence
River/StreamArkansas River-tr
Coordinates38.46501, -105.15390

Physical Characteristics

Dam TypeEarth
NID Height69 ft
Dam Height48 ft
Dam Length428 ft
Year Completed1971 (55 years old)

Storage & Hydraulics

NID Storage773 acre-ft
Max Storage773 acre-ft
Normal Storage432 acre-ft
Surface Area30 acres
Drainage Area2 sq mi
Max Discharge16,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerFREMONT COUNTY ENGINEER (TEIGEN, LUCAS)
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection05/20/2021
Emergency Action PlanYes

Identifiers

NID IDCO00469
Federal IDCO00469
More InfoState Dam Safety Program

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