Attica Upground Reservoir #2 is an earth dam located in Seneca County, Ohio, built in 2006. It carries a High hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 23 ft23 ft tall and 2,450 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 Attica Upground Reservoir #2
The primary purpose of Attica Upground Reservoir #2 is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Village of Attica (local government). It impounds the Honey Creek - Offstream near Attica.
The dam stands 23 feet tall and stretches 2,450 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 162 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2006, the structure is relatively new.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. 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 06/20/2023.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Ohio dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Ohio |
| County | Seneca |
| Nearest City | Attica |
| River/Stream | Honey Creek - Offstream |
| Coordinates | 41.06000, -82.88611 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 2,450 ft |
| Year Completed | 2006 (20 years old) |
Storage & Hydraulics
| NID Storage | 162 acre-ft |
| Max Storage | 162 acre-ft |
| Normal Storage | 120 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Village of Attica |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 06/20/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH03137 |
| Federal ID | OH03137 |
| More Info | State Dam Safety Program |