Hildreth Dam

Hildreth Dam is an earth dam located in Montgomery County, Iowa, built in 1983. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height25 ft
Built198343 years ago

Dam profile

NID height · 25 ft
25 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

25 ft tall and 465 ft long, taller than 50% 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 Hildreth Dam

The primary purpose of Hildreth 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 Nick Hildreth (private). It impounds the Tr-e. Nishnabotna near Coburg.

The dam stands 25 feet tall and stretches 465 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 32 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1983, the structure is 43 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.

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Location

StateIowa
CountyMontgomery
Nearest CityCoburg
River/StreamTr-e. Nishnabotna
Coordinates40.94260, -95.25480

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length465 ft
Year Completed1983 (43 years old)

Storage & Hydraulics

NID Storage32 acre-ft
Max Storage32 acre-ft
Normal Storage15 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerNick Hildreth
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDIA02259
Federal IDIA02259
More InfoState Dam Safety Program