Held Watershed Site D-1

Held Watershed Site D-1 is an earth dam located in Plymouth County, Iowa, built in 1979. It carries a Low hazard potential classification.

About Held Watershed Site D-1

The primary purpose of Held Watershed Site D-1 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 40 feet tall and stretches 420 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 101 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1979, the structure is 47 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 40 feet, this dam is taller than 87% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyPlymouth
Nearest CityHinton
River/StreamTr-floyd River
Coordinates42.64050, -96.31870

Physical Characteristics

Dam TypeEarth
NID Height40 ft
Dam Height40 ft
Dam Length420 ft
Year Completed1979 (47 years old)

Storage & Hydraulics

NID Storage101 acre-ft
Max Storage101 acre-ft
Normal Storage35 acre-ft
Surface Area4 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
Emergency Action PlanNot Required

Identifiers

NID IDIA01976
Federal IDIA01976
More InfoState Dam Safety Program

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