Tailing Pond 127 Dam
Tailing Pond 127 Dam is an earth dam located in Ogle County, Illinois, built in 1991. It carries a High hazard potential classification.
About Tailing Pond 127 Dam
Tailing Pond 127 Dam is a dam in Ogle, Illinois. The dam is owned by Unimin Corporation (private). It impounds the Trib Rock River near Oregon.
The dam stands 38 feet tall and stretches 360 feet across, creates a reservoir covering 30 acres, and has a maximum storage capacity of 1,145 acre-feet. Completed in 1991, the structure is 35 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. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 07/14/2014. That was 11 years ago — unusually long for a high-hazard dam, which typically requires more frequent inspections.
At 38 feet, this dam is taller than 85% of dams nationwide.
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 Illinois 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 | Illinois |
| County | Ogle |
| Nearest City | Oregon |
| River/Stream | Trib Rock River |
| Coordinates | 41.98739, -89.37583 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 360 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 1,145 acre-ft |
| Max Storage | 1,145 acre-ft |
| Normal Storage | 663 acre-ft |
| Surface Area | 30 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | UNIMIN CORPORATION |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 07/14/2014 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL40159 |
| Federal ID | IL40159 |
| More Info | State Dam Safety Program |