Twin Anchors Lake Dam

Twin Anchors Lake Dam is an earth dam located in Story County, Iowa, built in 1960. It carries a Low hazard potential classification.

About Twin Anchors Lake Dam

The primary purpose of Twin Anchors Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Harold Kimberly (private). It impounds the Tr-dye Creek near Maxwell.

The dam stands 42 feet tall and stretches 508 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 67 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1960, 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.

At 42 feet, this dam is taller than 89% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyStory
Nearest CityMaxwell
River/StreamTr-dye Creek
Coordinates42.00420, -93.34350

Physical Characteristics

Dam TypeEarth
NID Height42 ft
Dam Height42 ft
Dam Length508 ft
Year Completed1960 (66 years old)

Storage & Hydraulics

NID Storage67 acre-ft
Max Storage67 acre-ft
Normal Storage55 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerHarold Kimberly
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDIA01025
Federal IDIA01025
More InfoState Dam Safety Program

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