Monson Flowage
Monson Flowage is an earth dam located in Taylor County, Wisconsin, built in 1962. It carries a Low hazard potential classification and has a fair condition assessment.
About Monson Flowage
The primary purpose of Monson Flowage is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Wisconsin Department Of Natural Resources (state). It impounds the Br Of Shoulder Cr near Holcombe.
The dam stands 9 feet tall and stretches 290 feet across, creates a reservoir covering 60 acres, has a maximum storage capacity of 400 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1962, 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 06/15/2021.
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Location
| State | Wisconsin |
| County | Taylor |
| Nearest City | Holcombe |
| River/Stream | Br Of Shoulder Cr |
| Coordinates | 45.30101, -90.85272 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 290 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Normal Storage | 160 acre-ft |
| Surface Area | 60 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 127 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Wisconsin Department of Natural Resources |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/15/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00661 |
| Federal ID | WI00661 |
| More Info | State Dam Safety Program |