Sammis Station North Bottom Ash Pond Dam is an earth dam located in Jefferson County, Ohio. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 21 ft21 ft tall and 900 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Sammis Station North Bottom Ash Pond Dam
The primary purpose of Sammis Station North Bottom Ash Pond Dam 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 Etem Remediation One LLC (public utility). It impounds the Tributary to Ohio River near Stratton.
The dam stands 21 feet tall and stretches 900 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 39 acre-feet, and collects water from a drainage area of 0 square miles.
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 05/22/2024.
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Location
| State | Ohio |
| County | Jefferson |
| Nearest City | Stratton |
| River/Stream | Tributary to Ohio River |
| Coordinates | 40.52778, -80.63083 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 900 ft |
Storage & Hydraulics
| NID Storage | 39 acre-ft |
| Max Storage | 39 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Tailings |
| Owner | Etem Remediation One LLC |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/22/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH03172 |
| Federal ID | OH03172 |
| More Info | State Dam Safety Program |