Hudson Bay

Hudson Bay is a gravity dam located in Ashland County, Wisconsin, built in 1969. It carries a Low hazard potential classification.

About Hudson Bay

The primary purpose of Hudson Bay is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ashland County (local government). It impounds the Brunsweiler River.

The dam stands 8 feet tall and stretches 56 feet across, creates a reservoir covering 240 acres, has a maximum storage capacity of 672 acre-feet, and collects water from a drainage area of 19 square miles. Completed in 1969, 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. The most recent inspection on record was 05/05/2011. That was over 14 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: No

Location

StateWisconsin
CountyAshland
Nearest CityNone
River/StreamBrunsweiler River
Coordinates46.26682, -90.86527

Physical Characteristics

Dam TypeGravity
NID Height8 ft
Dam Height8 ft
Dam Length56 ft
Year Completed1969 (57 years old)

Storage & Hydraulics

NID Storage672 acre-ft
Max Storage672 acre-ft
Normal Storage560 acre-ft
Surface Area240 acres
Drainage Area19 sq mi
Max Discharge600 cfs
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerAshland County
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection05/05/2011
Emergency Action PlanNo

Identifiers

NID IDWI00882
Federal IDWI00882
More InfoState Dam Safety Program

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