Rooks Dam

Rooks Dam is an earth dam located in Hardin County, Iowa, built in 1959. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height38 ft
Built195967 years ago

Dam profile

NID height · 38 ft
38 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

38 ft tall and 451 ft long, taller than 84% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Rooks Dam

The primary purpose of Rooks Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Cecil F Rooks (private). It impounds the Tr-iowa River near Union.

The dam stands 38 feet tall and stretches 451 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 140 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1959, 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 38 feet, this dam is taller than 84% of dams nationwide.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Location

StateIowa
CountyHardin
Nearest CityUnion
River/StreamTr-iowa River
Coordinates42.34980, -93.06980

Physical Characteristics

Dam TypeEarth
NID Height38 ft
Dam Height38 ft
Dam Length451 ft
Year Completed1959 (67 years old)

Storage & Hydraulics

NID Storage140 acre-ft
Max Storage140 acre-ft
Normal Storage78 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerCecil F Rooks
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDIA00440
Federal IDIA00440
More InfoState Dam Safety Program