Karsten No. 1
Karsten No. 1 is a gravity dam located in Dodge County, Wisconsin, built in 1971. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
About Karsten No. 1
The primary purpose of Karsten No. 1 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Karsten, John & Susan (private). It impounds the Tr-horicon Marsh.
The dam stands 18 feet tall and stretches 500 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 86 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1971, 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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. An emergency action plan is in place for this dam. The most recent inspection on record was 08/14/2012. That was over 13 years ago.
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Location
| State | Wisconsin |
| County | Dodge |
| Nearest City | None |
| River/Stream | Tr-horicon Marsh |
| Coordinates | 43.47500, -88.59224 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 500 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 86 acre-ft |
| Max Storage | 86 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 70 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Karsten, John & Susan |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 08/14/2012 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00885 |
| Federal ID | WI00885 |
| More Info | State Dam Safety Program |