Navarino Marsh 1
Navarino Marsh 1 is an earth dam located in Shawano County, Wisconsin, built in 1971. It carries a Low hazard potential classification and has a fair condition assessment.
About Navarino Marsh 1
Navarino Marsh 1 is a dam in Shawano, Wisconsin. The dam is owned by Wisconsin Department Of Natural Resources (state). It impounds the Wetlands Tr-wolf River near Shiocton.
The dam stands 7 feet tall and stretches 6,760 feet across, creates a reservoir covering 150 acres, has a maximum storage capacity of 740 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1971, the structure is well into its service life at over 50 years old.
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 04/01/2021.
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Location
| State | Wisconsin |
| County | Shawano |
| Nearest City | Shiocton |
| River/Stream | Wetlands Tr-wolf River |
| Coordinates | 44.65811, -88.59163 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 6,760 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 740 acre-ft |
| Max Storage | 740 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 150 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 100 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Wisconsin Department of Natural Resources |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/01/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00936 |
| Federal ID | WI00936 |
| More Info | State Dam Safety Program |