Glen Hills 11
Glen Hills 11 is an earth dam located in St. Croix County, Wisconsin, built in 1970. It carries a Low hazard potential classification and has a fair condition assessment.
About Glen Hills 11
The primary purpose of Glen Hills 11 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by St. Croix County (local government). It impounds the Tributary To Beaver Creek.
The dam stands 28 feet tall and stretches 850 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 344 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1970, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. 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 05/02/2012. That was over 13 years ago.
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Location
| State | Wisconsin |
| County | St. Croix |
| Nearest City | None |
| River/Stream | Tributary To Beaver Creek |
| Coordinates | 45.02271, -92.16261 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 850 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 344 acre-ft |
| Max Storage | 344 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 160 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | St. Croix County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/02/2012 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00397 |
| Federal ID | WI00397 |
| More Info | State Dam Safety Program |