Croy Subwatershed Site 23700

Croy Subwatershed Site 23700 is an earth dam located in Monona County, Iowa, built in 1951. It carries a Low hazard potential classification.

About Croy Subwatershed Site 23700

The primary purpose of Croy Subwatershed Site 23700 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 Monona County Swcd (local government). It impounds the Tr- Maple River near Little Sioux.

The dam stands 37 feet tall, creates a reservoir covering 1 acres, has a maximum storage capacity of 22 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1951, 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 37 feet, this dam is taller than 84% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyMonona
Nearest CityLittle Sioux
River/StreamTr- Maple River
Coordinates42.04580, -95.89800

Physical Characteristics

Dam TypeEarth
NID Height37 ft
Dam Height37 ft
Year Completed1951 (75 years old)

Storage & Hydraulics

NID Storage22 acre-ft
Max Storage22 acre-ft
Normal Storage7 acre-ft
Surface Area1 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

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

Identifiers

NID IDIA02734
Federal IDIA02734
More InfoState Dam Safety Program

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