Lake Oelwein Dam

Lake Oelwein Dam is a gravity dam located in Fayette County, Iowa, built in 1908. It carries a Low hazard potential classification.

About Lake Oelwein Dam

The primary purpose of Lake Oelwein Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Oelwein (local government). It impounds the Otter Creek near Hazleton.

The dam stands 16 feet tall and stretches 195 feet across, creates a reservoir covering 50 acres, has a maximum storage capacity of 200 acre-feet, and collects water from a drainage area of 41 square miles. Completed in 1908, the structure is over a century 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 07/26/1988. That was over 37 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyFayette
Nearest CityHazleton
River/StreamOtter Creek
Coordinates42.64660, -91.91590

Physical Characteristics

Dam TypeGravity
NID Height16 ft
Dam Height16 ft
Dam Length195 ft
Year Completed1908 (118 years old)

Storage & Hydraulics

NID Storage200 acre-ft
Max Storage200 acre-ft
Normal Storage88 acre-ft
Surface Area50 acres
Drainage Area41 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerCity of Oelwein
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection07/26/1988
Emergency Action PlanNot Required

Identifiers

NID IDIA01343
Federal IDIA01343
More InfoState Dam Safety Program

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