Powell Marsh W. A. Pool 4 is an earth dam located in Vilas County, Wisconsin. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 7 ft7 ft tall. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Powell Marsh W. A. Pool 4
Powell Marsh W. A. Pool 4 is a dam in Vilas, Wisconsin. The dam is owned by Wisconsin Department of Natural Resources (state). It impounds the Surface Runoff.
The dam stands 7 feet tall, creates a reservoir covering 190 acres, and has a maximum storage capacity of 272 acre-feet.
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 10/21/2020.
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Location
| State | Wisconsin |
| County | Vilas |
| River/Stream | Surface Runoff |
| Coordinates | 46.08807, -89.89973 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
Storage & Hydraulics
| NID Storage | 272 acre-ft |
| Max Storage | 272 acre-ft |
| Normal Storage | 272 acre-ft |
| Surface Area | 190 acres |
Ownership & Safety
| Owner | Wisconsin Department of Natural Resources |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 10/21/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI12384 |
| Federal ID | WI12384 |
| More Info | State Dam Safety Program |