Dane Ridge Watershed Site D-2-2

Dane Ridge Watershed Site D-2-2 is an earth dam located in Crawford County, Iowa, built in 1971. It carries a Low hazard potential classification.

About Dane Ridge Watershed Site D-2-2

The primary purpose of Dane Ridge Watershed Site D-2-2 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 Crawford County Swcd (local government). It impounds the Tr-boyer River near Dunlap.

The dam stands 33 feet tall and stretches 885 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 71 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1971, 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 33 feet, this dam is taller than 78% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyCrawford
Nearest CityDunlap
River/StreamTr-boyer River
Coordinates41.98100, -95.54540

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height33 ft
Dam Length885 ft
Year Completed1971 (55 years old)

Storage & Hydraulics

NID Storage71 acre-ft
Max Storage71 acre-ft
Normal Storage40 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

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

Identifiers

NID IDIA00266
Federal IDIA00266
More InfoState Dam Safety Program

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