Eramet Fluid Waste Pond 1a

Eramet Fluid Waste Pond 1a is an earth dam located in Washington County, Ohio, built in 1975. It carries a Significant hazard potential classification and has a poor condition assessment.

About Eramet Fluid Waste Pond 1a

The primary purpose of Eramet Fluid Waste Pond 1a 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 Eramet Marietta, Inc.. It impounds the Ohio River - Offstream near Briscoe.

The dam stands 35 feet tall and stretches 2,700 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 320 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1975, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 11/01/2023.

At 35 feet, this dam is taller than 82% of dams nationwide.

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

Significant HazardPoor ConditionEmergency Action Plan: No

Location

StateOhio
CountyWashington
Nearest CityBriscoe
River/StreamOhio River - Offstream
Coordinates39.36611, -81.52389

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height35 ft
Dam Length2,700 ft
Year Completed1975 (51 years old)

Storage & Hydraulics

NID Storage320 acre-ft
Max Storage320 acre-ft
Normal Storage272 acre-ft
Surface Area9 acres
Drainage Area0 sq mi
Max Discharge108 cfs

Ownership & Safety

PurposeTailings
OwnerEramet Marietta, Inc.
Owner TypeNot Listed
Hazard ClassificationSignificant
Condition AssessmentPoor
Last Inspection11/01/2023
Emergency Action PlanNo

Identifiers

NID IDOH00939
Federal IDOH00939
More InfoState Dam Safety Program

Nearby Dams