Held Watershed Site D-7

Held Watershed Site D-7 is an earth dam located in Plymouth County, Iowa, built in 1978. It carries a Low hazard potential classification.

About Held Watershed Site D-7

The primary purpose of Held Watershed Site D-7 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 Plymouth County Swcd (local government). It impounds the Tr-floyd River near Hinton.

The dam stands 42 feet tall and stretches 400 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 83 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1978, the structure is 48 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 06/14/1989. That was over 36 years ago.

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
CountyPlymouth
Nearest CityHinton
River/StreamTr-floyd River
Coordinates42.64450, -96.31960

Physical Characteristics

Dam TypeEarth
NID Height42 ft
Dam Height42 ft
Dam Length400 ft
Year Completed1978 (48 years old)

Storage & Hydraulics

NID Storage83 acre-ft
Max Storage83 acre-ft
Normal Storage47 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerPlymouth County SWCD
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection06/14/1989
Emergency Action PlanNot Required

Identifiers

NID IDIA01858
Federal IDIA01858
More InfoState Dam Safety Program

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