Schwahn is a gravity dam located in Adams County, Wisconsin, built in 1979. It carries a Low hazard potential classification.
Dam profile
NID height · 14 ft14 ft tall and 1,190 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Schwahn
The primary purpose of Schwahn is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Schwahn, Allan (private). It impounds the Duck Creek.
The dam stands 14 feet tall and stretches 1,190 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 120 acre-feet, and collects water from a drainage area of 17 square miles. Completed in 1979, the structure is 47 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. An emergency action plan is in place for this dam. The most recent inspection on record was 10/29/2017.
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Location
| State | Wisconsin |
| County | Adams |
| Nearest City | None |
| River/Stream | Duck Creek |
| Coordinates | 43.89478, -89.88525 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 1,190 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 17 sq mi |
| Max Discharge | 50 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Schwahn, Allan |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/29/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00869 |
| Federal ID | WI00869 |
| More Info | State Dam Safety Program |