Split Rock Dam

Split Rock Dam is an earth dam located in Chickasaw County, Iowa, built in 1964. It carries a Low hazard potential classification.

About Split Rock Dam

The primary purpose of Split Rock Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Chickasaw County Conservation Board (local government). It impounds the Tr-east Wapsipinicon near Frederika.

The dam stands 25 feet tall and stretches 1,270 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 99 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1964, 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 12/12/1960. That was over 65 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyChickasaw
Nearest CityFrederika
River/StreamTr-east Wapsipinicon
Coordinates42.91050, -92.23850

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length1,270 ft
Year Completed1964 (62 years old)

Storage & Hydraulics

NID Storage99 acre-ft
Max Storage99 acre-ft
Normal Storage47 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerChickasaw County Conservation Board
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection12/12/1960
Emergency Action PlanNot Required

Identifiers

NID IDIA00201
Federal IDIA00201
More InfoState Dam Safety Program

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