Jordan

Jordan is a gravity dam located in Portage County, Wisconsin, built in 1850. It carries a Low hazard potential classification and has a poor condition assessment.

About Jordan

The primary purpose of Jordan is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Portage County (local government). It impounds the Big Plover near Park Ridge.

The dam stands 17 feet tall and stretches 150 feet across, creates a reservoir covering 83 acres, has a maximum storage capacity of 470 acre-feet, and collects water from a drainage area of 148 square miles. Completed in 1850, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 05/09/2017.

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Low HazardPoor ConditionEmergency Action Plan: Yes

Location

StateWisconsin
CountyPortage
Nearest CityPark Ridge
River/StreamBig Plover
Coordinates44.57623, -89.50123

Physical Characteristics

Dam TypeGravity
NID Height17 ft
Dam Height17 ft
Dam Length150 ft
Year Completed1850 (176 years old)

Storage & Hydraulics

NID Storage470 acre-ft
Max Storage470 acre-ft
Normal Storage298 acre-ft
Surface Area83 acres
Drainage Area148 sq mi
Max Discharge1,850 cfs
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerPortage County
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection05/09/2017
Emergency Action PlanYes

Identifiers

NID IDWI00025
Federal IDWI00025
More InfoState Dam Safety Program

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