Donovan No.1(robey Group) is an earth dam located in Pierce County, Wisconsin, built in 1973. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 490 ft long, taller than 62% of U.S. dams with a recorded height. 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 Donovan No.1(robey Group)
The primary purpose of Donovan No.1(robey Group) 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 H.pruitt & J.traynor (private). It impounds the Tr Trimbelle River.
The dam stands 28 feet tall and stretches 490 feet across, has a maximum storage capacity of 48 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1973, 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.
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Location
| State | Wisconsin |
| County | Pierce |
| Nearest City | None |
| River/Stream | Tr Trimbelle River |
| Coordinates | 44.80821, -92.49107 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 490 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 48 acre-ft |
| Max Storage | 48 acre-ft |
| Normal Storage | 12 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 150 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | H.pruitt & J.traynor |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WI01093 |
| Federal ID | WI01093 |
| More Info | State Dam Safety Program |