Dane Ridge Watershed Site a

Dane Ridge Watershed Site a is an earth dam located in Crawford County, Iowa, built in 1977. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height52 ft
Built197749 years ago

Dam profile

NID height · 52 ft
52 FT TEN-STORY BUILDINGMEDIAN U.S. DAM · 24 FT

52 ft tall and 700 ft long, taller than 93% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.

About Dane Ridge Watershed Site a

The primary purpose of Dane Ridge Watershed Site a 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 52 feet tall and stretches 700 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 398 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1977, the structure is 49 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 52 feet, this dam is taller than 93% of dams nationwide.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Location

StateIowa
CountyCrawford
Nearest CityDunlap
River/StreamTr-boyer River
Coordinates41.91640, -95.60080

Physical Characteristics

Dam TypeEarth
NID Height52 ft
Dam Height52 ft
Dam Length700 ft
Year Completed1977 (49 years old)

Storage & Hydraulics

NID Storage398 acre-ft
Max Storage398 acre-ft
Normal Storage156 acre-ft
Surface Area16 acres
Drainage Area1 sq mi
Spillway TypeUncontrolled

Ownership & Safety

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

Identifiers

NID IDIA01537
Federal IDIA01537
More InfoState Dam Safety Program