Dane Ridge Watershed Site D-9

Dane Ridge Watershed Site D-9 is an earth dam located in Crawford County, Iowa, built in 1978. It carries a Low hazard potential classification.

About Dane Ridge Watershed Site D-9

The primary purpose of Dane Ridge Watershed Site D-9 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-welsh Creek near Dunlap.

The dam stands 35 feet tall and stretches 460 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 200 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.

At 35 feet, this dam is taller than 82% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyCrawford
Nearest CityDunlap
River/StreamTr-welsh Creek
Coordinates41.99530, -95.56060

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height35 ft
Dam Length460 ft
Year Completed1978 (48 years old)

Storage & Hydraulics

NID Storage200 acre-ft
Max Storage200 acre-ft
Normal Storage78 acre-ft
Surface Area9 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 IDIA01904
Federal IDIA01904
More InfoState Dam Safety Program

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