Medford Quarry Wash Pond

Medford Quarry Wash Pond is an earth dam located in Carroll County, Maryland, built in 1988. It carries a Significant hazard potential classification and has a fair condition assessment.

About Medford Quarry Wash Pond

The primary purpose of Medford Quarry Wash Pond is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is owned by Bluegrass Materials Company-maryland Division (private). It impounds the Turkeyfoot Run-tr-os near Avondale.

The dam stands 26 feet tall and stretches 700 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 20 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1988, the structure is 38 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. An emergency action plan is in place for this dam. The most recent inspection on record was 10/10/2024.

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

Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateMaryland
CountyCarroll
Nearest CityAvondale
River/StreamTurkeyfoot Run-tr-os
Coordinates39.54750, -77.05480

Physical Characteristics

Dam TypeEarth
NID Height26 ft
Dam Height26 ft
Dam Length700 ft
Year Completed1988 (38 years old)

Storage & Hydraulics

NID Storage20 acre-ft
Max Storage20 acre-ft
Normal Storage17 acre-ft
Surface Area1 acres
Drainage Area0 sq mi
Max Discharge34 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeTailings
OwnerBluegrass Materials Company-Maryland Division
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection10/10/2024
Emergency Action PlanYes

Identifiers

NID IDMD00319
Federal IDMD00319
More InfoState Dam Safety Program

Nearby Dams