Glen Hills 2
Glen Hills 2 is an earth dam located in St. Croix County, Wisconsin, built in 1970. It carries a Low hazard potential classification.
About Glen Hills 2
The primary purpose of Glen Hills 2 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 Powerline Creek.
The dam stands 27 feet tall and stretches 520 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 200 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. The most recent inspection on record was 04/28/2021.
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Location
| State | Wisconsin |
| County | St. Croix |
| Nearest City | None |
| River/Stream | Powerline Creek |
| Coordinates | 45.03604, -92.20648 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 520 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 65 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | St. Croix County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 04/28/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | WI00395 |
| Federal ID | WI00395 |
| More Info | State Dam Safety Program |