Webb Dam

Webb Dam is an earth dam located in Decatur County, Iowa, built in 1978. It carries a Low hazard potential classification.

About Webb Dam

The primary purpose of Webb 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 Harold Webb (private). It impounds the Tr-lake La Shane near Lake La Shane.

The dam stands 19 feet tall and stretches 410 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 52 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.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyDecatur
Nearest CityLake La Shane
River/StreamTr-lake La Shane
Coordinates40.63420, -93.98070

Physical Characteristics

Dam TypeEarth
NID Height19 ft
Dam Height19 ft
Dam Length410 ft
Year Completed1978 (48 years old)

Storage & Hydraulics

NID Storage52 acre-ft
Max Storage52 acre-ft
Normal Storage13 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerHarold Webb
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDIA02130
Federal IDIA02130
More InfoState Dam Safety Program

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