Hingham
Hingham is a gravity dam located in Sheboygan County, Wisconsin, built in 1846. It carries a Low hazard potential classification and has a fair condition assessment.
About Hingham
Hingham is a dam in Sheboygan, Wisconsin. The dam is owned by Hingham Sanitary District (local government). It impounds the Onion near Hingham.
The dam stands 11 feet tall and stretches 500 feet across, creates a reservoir covering 38 acres, has a maximum storage capacity of 160 acre-feet, and collects water from a drainage area of 34 square miles. Completed in 1846, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 08/17/2012. That was over 13 years ago.
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Location
| State | Wisconsin |
| County | Sheboygan |
| Nearest City | Hingham |
| River/Stream | Onion |
| Coordinates | 43.64180, -87.91647 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 500 ft |
| Year Completed | 1846 (180 years old) |
Storage & Hydraulics
| NID Storage | 160 acre-ft |
| Max Storage | 160 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 34 sq mi |
| Max Discharge | 1,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Hingham Sanitary District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/17/2012 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00310 |
| Federal ID | WI00310 |
| More Info | State Dam Safety Program |