Collier Dam

Collier Dam is an earth dam located in Harrison County, Iowa, built in 1974. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height41 ft
Built197452 years ago

Dam profile

NID height · 41 ft
41 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

41 ft tall and 375 ft long, taller than 87% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Collier Dam

The primary purpose of Collier 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 Ed & Rich Collier (private). It impounds the Tr-boyer River near Loveland.

The dam stands 41 feet tall and stretches 375 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 90 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1974, 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 41 feet, this dam is taller than 87% of dams nationwide.

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

Location

StateIowa
CountyHarrison
Nearest CityLoveland
River/StreamTr-boyer River
Coordinates41.51400, -95.85360

Physical Characteristics

Dam TypeEarth
NID Height41 ft
Dam Height41 ft
Dam Length375 ft
Year Completed1974 (52 years old)

Storage & Hydraulics

NID Storage90 acre-ft
Max Storage90 acre-ft
Normal Storage66 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerEd & Rich Collier
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDIA01564
Federal IDIA01564
More InfoState Dam Safety Program