Jones #1

Jones #1 is an earth dam located in Grand County, Colorado, built in 1879. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Jones #1

The primary purpose of Jones #1 is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Grand River Ranch Owners Assoc. (culbreath, Ranch (private). It impounds the Sheep Creek-tr near Kremmling.

The dam stands 27 feet tall and stretches 340 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 295 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1879, the structure is over a century old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 08/04/2021.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateColorado
CountyGrand
Nearest CityKremmling
River/StreamSheep Creek-tr
Coordinates40.05668, -106.45057

Physical Characteristics

Dam TypeEarth
NID Height27 ft
Dam Height27 ft
Dam Length340 ft
Year Completed1879 (147 years old)

Storage & Hydraulics

NID Storage295 acre-ft
Max Storage295 acre-ft
Normal Storage241 acre-ft
Surface Area18 acres
Drainage Area1 sq mi
Max Discharge115 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerGRAND RIVER RANCH OWNERS ASSOC. (CULBREATH, RANCH
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection08/04/2021
Emergency Action PlanYes

Identifiers

NID IDCO01703
Federal IDCO01703
More InfoState Dam Safety Program

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