Hartman Creek Number One is a gravity dam located in Waupaca County, Wisconsin, built in 1939. It carries a Low hazard potential classification.
Dam profile
NID height · 11 ft11 ft tall and 150 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 Hartman Creek Number One
The primary purpose of Hartman Creek Number One 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 Hartman Creek.
The dam stands 11 feet tall and stretches 150 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 225 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1939, the structure is well-established, with more than 75 years of service.
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 10/14/2021.
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Location
| State | Wisconsin |
| County | Waupaca |
| Nearest City | None |
| River/Stream | Hartman Creek |
| Coordinates | 44.32602, -89.20209 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 150 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 225 acre-ft |
| Max Storage | 225 acre-ft |
| Normal Storage | 103 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,460 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Wisconsin Department of Natural Resources |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/14/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00339 |
| Federal ID | WI00339 |
| More Info | State Dam Safety Program |