Tarryall Ranch Reservoir Dam

Tarryall Ranch Reservoir Dam is an earth dam located in Park County, Colorado, built in 1977. It carries a Low hazard potential classification.

About Tarryall Ranch Reservoir Dam

The primary purpose of Tarryall Ranch Reservoir Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by James Ingalls, (private). It impounds the Park Creek-tr near Deckers.

The dam stands 40 feet tall and stretches 650 feet across, creates a reservoir covering 29 acres, and has a maximum storage capacity of 360 acre-feet. 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. The most recent inspection on record was 11/17/2020.

At 40 feet, this dam is taller than 87% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateColorado
CountyPark
Nearest CityDeckers
River/StreamPark Creek-tr
Coordinates39.28611, -105.84084

Physical Characteristics

Dam TypeEarth
NID Height40 ft
Dam Height21 ft
Dam Length650 ft
Year Completed1977 (49 years old)

Storage & Hydraulics

NID Storage360 acre-ft
Max Storage360 acre-ft
Normal Storage160 acre-ft
Surface Area29 acres
Max Discharge1,171 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerJAMES INGALLS,
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection11/17/2020
Emergency Action PlanNot Required

Identifiers

NID IDCO01308
Federal IDCO01308
More InfoState Dam Safety Program

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