Sedimentation Pond Hg-5

Sedimentation Pond Hg-5 is an earth dam located in Routt County, Colorado, built in 1979. It carries a Low hazard potential classification.

About Sedimentation Pond Hg-5

Sedimentation Pond Hg-5 is a dam in Routt, Colorado. The dam is owned by H. G. Coal Co. (private). It impounds the Dowden Gulch-tr near Hamilton.

The dam stands 46 feet tall and stretches 400 feet across, creates a reservoir covering 1 acres, and has a maximum storage capacity of 18 acre-feet. Completed in 1979, the structure is 47 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. The most recent inspection on record was 01/01/1991. That was over 35 years ago.

At 46 feet, this dam is taller than 91% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateColorado
CountyRoutt
Nearest CityHamilton
River/StreamDowden Gulch-tr
Coordinates40.34668, -107.30390

Physical Characteristics

Dam TypeEarth
NID Height46 ft
Dam Height32 ft
Dam Length400 ft
Year Completed1979 (47 years old)

Storage & Hydraulics

NID Storage18 acre-ft
Max Storage18 acre-ft
Normal Storage12 acre-ft
Surface Area1 acres
Max Discharge942 cfs
Spillway TypeNone

Ownership & Safety

PurposeOther
OwnerH. G. COAL CO.
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection01/01/1991
Emergency Action PlanNot Required

Identifiers

NID IDCO02224
Federal IDCO02224
More InfoState Dam Safety Program

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