Dates Mill
Dates Mill is a gravity dam located in Columbia County, Wisconsin, built in 1958. It carries a Low hazard potential classification and has a fair condition assessment.
About Dates Mill
The primary purpose of Dates Mill is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Wilcox, Ed (private). It impounds the French Cr.
The dam stands 12 feet tall and stretches 225 feet across, creates a reservoir covering 96 acres, has a maximum storage capacity of 390 acre-feet, and collects water from a drainage area of 14 square miles. Completed in 1958, 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. The most recent inspection on record was 06/25/2014. That was over 11 years ago.
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Location
| State | Wisconsin |
| County | Columbia |
| Nearest City | None |
| River/Stream | French Cr |
| Coordinates | 43.63238, -89.36884 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 225 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 390 acre-ft |
| Max Storage | 390 acre-ft |
| Normal Storage | 190 acre-ft |
| Surface Area | 96 acres |
| Drainage Area | 14 sq mi |
| Max Discharge | 17 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Wilcox, Ed |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/25/2014 |
| Emergency Action Plan | No |
Identifiers
| NID ID | WI00249 |
| Federal ID | WI00249 |
| More Info | State Dam Safety Program |