Little Deer Creek Site 1

Little Deer Creek Site 1 is an earth dam located in Harford County, Maryland, built in 1958. It carries a Significant hazard potential classification and has a fair condition assessment.

About Little Deer Creek Site 1

The primary purpose of Little Deer Creek Site 1 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Harford County Dpw/madonna Manor Imp Assoc (local government). It impounds the Cattail Branch near Rocks State Park.

The dam stands 45 feet tall and stretches 385 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 210 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1958, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 11/20/2024.

At 45 feet, this dam is taller than 91% of dams nationwide.

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Significant HazardFair ConditionEmergency Action Plan: No

Location

StateMaryland
CountyHarford
Nearest CityRocks State Park
River/StreamCattail Branch
Coordinates39.63280, -76.50070

Physical Characteristics

Dam TypeEarth
NID Height45 ft
Dam Height45 ft
Dam Length385 ft
Year Completed1958 (68 years old)

Storage & Hydraulics

NID Storage210 acre-ft
Max Storage210 acre-ft
Normal Storage24 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge930 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerHarford County DPW/Madonna Manor Imp Assoc
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection11/20/2024
Emergency Action PlanNo

Identifiers

NID IDMD00031
Federal IDMD00031
More InfoState Dam Safety Program

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