School Section Lake
School Section Lake is a gravity dam located in Waukesha County, Wisconsin, built in 1937. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About School Section Lake
The primary purpose of School Section Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Waukesha County (local government). It impounds the U/n Tributary To Bark R. near Heath Mills.
The dam stands 8 feet tall and stretches 2,900 feet across, creates a reservoir covering 117 acres, has a maximum storage capacity of 700 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1937, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/30/2021.
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Location
| State | Wisconsin |
| County | Waukesha |
| Nearest City | Heath Mills |
| River/Stream | U/n Tributary To Bark R. |
| Coordinates | 42.98282, -88.50884 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 2,900 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 700 acre-ft |
| Max Storage | 700 acre-ft |
| Normal Storage | 230 acre-ft |
| Surface Area | 117 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,170 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Waukesha County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/30/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI01142 |
| Federal ID | WI01142 |
| More Info | State Dam Safety Program |