Ludden Lake
Ludden Lake is an earth dam located in Iowa County, Wisconsin, built in 1964. It carries a Low hazard potential classification and has a fair condition assessment.
About Ludden Lake
The primary purpose of Ludden Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ludden Lake Dam Commission (local government). It impounds the Mineral Point Branch.
The dam stands 25 feet tall and stretches 300 feet across, creates a reservoir covering 58 acres, has a maximum storage capacity of 700 acre-feet, and collects water from a drainage area of 24 square miles. Completed in 1964, 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 06/18/2012. That was over 13 years ago.
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Location
| State | Wisconsin |
| County | Iowa |
| Nearest City | None |
| River/Stream | Mineral Point Branch |
| Coordinates | 42.87115, -90.20013 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 300 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 700 acre-ft |
| Max Storage | 700 acre-ft |
| Normal Storage | 303 acre-ft |
| Surface Area | 58 acres |
| Drainage Area | 24 sq mi |
| Max Discharge | 5,270 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | LUDDEN LAKE DAM COMMISSION |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/18/2012 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00069 |
| Federal ID | WI00069 |
| More Info | State Dam Safety Program |