Neosho is a rockfill dam located in Dodge County, Wisconsin, built in 1840. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 12 ft12 ft tall and 1,000 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic rockfill embankment section and the water level is illustrative.
About Neosho
The primary purpose of Neosho is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Village of Neosho (local government). It impounds the Rubicon River near Neosho.
The dam stands 12 feet tall and stretches 1,000 feet across, creates a reservoir covering 187 acres, has a maximum storage capacity of 650 acre-feet, and collects water from a drainage area of 72 square miles. Completed in 1840, the structure is one of the older dams in the region, with over a century and a half 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 09/08/2011. That was over 15 years ago.
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Location
| State | Wisconsin |
| County | Dodge |
| Nearest City | Neosho |
| River/Stream | Rubicon River |
| Coordinates | 43.31134, -88.51818 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1840 (186 years old) |
Storage & Hydraulics
| NID Storage | 650 acre-ft |
| Max Storage | 650 acre-ft |
| Normal Storage | 271 acre-ft |
| Surface Area | 187 acres |
| Drainage Area | 72 sq mi |
| Max Discharge | 2,600 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Village of Neosho |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/08/2011 |
| Emergency Action Plan | No |
Identifiers
| NID ID | WI01191 |
| Federal ID | WI01191 |
| More Info | State Dam Safety Program |