Peterson Dam #2

Peterson Dam #2 is an earth dam located in Henry County, Iowa, built in 2005. It carries a Low hazard potential classification.

About Peterson Dam #2

The primary purpose of Peterson Dam #2 is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by Leon Peterson (private). It impounds the Trib To Phillips Creek near Winfield.

The dam stands 27 feet tall and stretches 615 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 170 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2005, the structure is relatively new.

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.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyHenry
Nearest CityWinfield
River/StreamTrib To Phillips Creek
Coordinates41.09750, -91.49000

Physical Characteristics

Dam TypeEarth
NID Height27 ft
Dam Height27 ft
Dam Length615 ft
Year Completed2005 (21 years old)

Storage & Hydraulics

NID Storage170 acre-ft
Max Storage170 acre-ft
Normal Storage45 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Max Discharge114 cfs

Ownership & Safety

PurposeGrade Stabilization
OwnerLeon Peterson
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDIA04072
Federal IDIA04072
More InfoState Dam Safety Program

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