Conley Dam

Conley Dam is an earth dam located in Plymouth County, Iowa, built in 1975. It carries a Low hazard potential classification.

About Conley Dam

The primary purpose of Conley 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 John Conley (private). It impounds the Tr-mink Creek near Merril.

The dam stands 28 feet tall and stretches 485 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 106 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1975, 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.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyPlymouth
Nearest CityMerril
River/StreamTr-mink Creek
Coordinates42.75690, -96.29700

Physical Characteristics

Dam TypeEarth
NID Height28 ft
Dam Height28 ft
Dam Length485 ft
Year Completed1975 (51 years old)

Storage & Hydraulics

NID Storage106 acre-ft
Max Storage106 acre-ft
Normal Storage51 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

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

Identifiers

NID IDIA01674
Federal IDIA01674
More InfoState Dam Safety Program

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