Jalas Dam

Jalas Dam is an earth dam located in O'Brien County, Iowa, built in 1965. It carries a Low hazard potential classification.

About Jalas Dam

The primary purpose of Jalas 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 Harry Jalas & Obrien County (private). It impounds the Tr-dog Creek near Cherokee.

The dam stands 34 feet tall and stretches 696 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 92 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1965, 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
CountyO'Brien
Nearest CityCherokee
River/StreamTr-dog Creek
Coordinates42.94260, -95.48650

Physical Characteristics

Dam TypeEarth
NID Height34 ft
Dam Height34 ft
Dam Length696 ft
Year Completed1965 (61 years old)

Storage & Hydraulics

NID Storage92 acre-ft
Max Storage92 acre-ft
Normal Storage41 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerHarry Jalas & OBrien County
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDIA00834
Federal IDIA00834
More InfoState Dam Safety Program

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