Mount Morris
Mount Morris is a gravity dam located in Waushara County, Wisconsin, built in 1938. It carries a Low hazard potential classification.
About Mount Morris
The primary purpose of Mount Morris is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Morris Lake Mgmt. Dist. (local government). It impounds the Rattlesnake Creek near Mount Morris.
The dam stands 20 feet tall and stretches 100 feet across, creates a reservoir covering 163 acres, has a maximum storage capacity of 1,050 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1938, 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 05/04/2021.
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Location
| State | Wisconsin |
| County | Waushara |
| Nearest City | Mount Morris |
| River/Stream | Rattlesnake Creek |
| Coordinates | 44.11269, -89.19245 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 100 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 1,050 acre-ft |
| Max Storage | 1,050 acre-ft |
| Normal Storage | 1,000 acre-ft |
| Surface Area | 163 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 702 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MORRIS LAKE MGMT. DIST. |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 05/04/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00092 |
| Federal ID | WI00092 |
| More Info | State Dam Safety Program |