Hinrichs Dam

Hinrichs Dam is an earth dam located in Iowa County, Iowa, built in 1970. It carries a Low hazard potential classification.

About Hinrichs Dam

The primary purpose of Hinrichs 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 George C Hinrichs (private). It impounds the Tr-north English River near Riverside.

The dam stands 32 feet tall and stretches 543 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 63 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1970, 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 32 feet, this dam is taller than 76% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyIowa
Nearest CityRiverside
River/StreamTr-north English River
Coordinates41.61030, -92.28320

Physical Characteristics

Dam TypeEarth
NID Height32 ft
Dam Height32 ft
Dam Length543 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage63 acre-ft
Max Storage63 acre-ft
Normal Storage25 acre-ft
Surface Area7 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerGeorge C Hinrichs
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDIA00518
Federal IDIA00518
More InfoState Dam Safety Program

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