Bucyrus Upground Reservoir No. 4
Bucyrus Upground Reservoir No. 4 is an earth dam located in Crawford County, Ohio, built in 1983. It carries a High hazard potential classification and has a fair condition assessment.
About Bucyrus Upground Reservoir No. 4
The primary purpose of Bucyrus Upground Reservoir No. 4 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 City Of Bucyrus (local government). It impounds the Offstream near Bucyrus.
The dam stands 29 feet tall and stretches 10,060 feet across, creates a reservoir covering 150 acres, has a maximum storage capacity of 4,626 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1983, the structure is 43 years old.
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 06/08/2023.
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 | Crawford |
| Nearest City | Bucyrus |
| River/Stream | Offstream |
| Coordinates | 40.84167, -82.93667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 10,060 ft |
| Year Completed | 1983 (43 years old) |
Storage & Hydraulics
| NID Storage | 4,626 acre-ft |
| Max Storage | 4,626 acre-ft |
| Normal Storage | 3,867 acre-ft |
| Surface Area | 150 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 64 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Bucyrus |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 06/08/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH01467 |
| Federal ID | OH01467 |
| More Info | State Dam Safety Program |