Blockton Watershed Site E-2

Blockton Watershed Site E-2 is an earth dam located in Taylor County, Iowa, built in 1973. It carries a Low hazard potential classification.

About Blockton Watershed Site E-2

The primary purpose of Blockton Watershed Site E-2 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 Taylor County Swcd (local government). It impounds the Tr-platte River near Athelstan.

The dam stands 34 feet tall and stretches 705 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 247 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1973, 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 34 feet, this dam is taller than 80% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyTaylor
Nearest CityAthelstan
River/StreamTr-platte River
Coordinates40.58860, -94.53260

Physical Characteristics

Dam TypeEarth
NID Height34 ft
Dam Height34 ft
Dam Length705 ft
Year Completed1973 (53 years old)

Storage & Hydraulics

NID Storage247 acre-ft
Max Storage247 acre-ft
Normal Storage102 acre-ft
Surface Area14 acres
Drainage Area1 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerTaylor County SWCD
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDIA01040
Federal IDIA01040
More InfoState Dam Safety Program

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