Montgomery Auto Park Dam

Montgomery Auto Park Dam is an earth dam located in Montgomery County, Maryland, built in 1987. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Montgomery Auto Park Dam

The primary purpose of Montgomery Auto Park Dam 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 Montgomery County Dep (local government). It impounds the Little Paint Branch-tr near Fairland.

The dam stands 29 feet tall and stretches 250 feet across, creates a reservoir covering 0 acres, has a maximum storage capacity of 20 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1987, the structure is 39 years old.

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 04/25/2023.

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Low HazardSatisfactory ConditionEmergency Action Plan: No

Location

StateMaryland
CountyMontgomery
Nearest CityFairland
River/StreamLittle Paint Branch-tr
Coordinates39.07539, -76.94465

Physical Characteristics

Dam TypeEarth
NID Height29 ft
Dam Height29 ft
Dam Length250 ft
Year Completed1987 (39 years old)

Storage & Hydraulics

NID Storage20 acre-ft
Max Storage20 acre-ft
Normal Storage1 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Max Discharge500 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerMontgomery County DEP
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection04/25/2023
Emergency Action PlanNo

Identifiers

NID IDMD00433
Federal IDMD00433
More InfoState Dam Safety Program

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