Rosemont

Rosemont is a rockfill dam located in Teller County, Colorado, built in 1961. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Rosemont

The primary purpose of Rosemont 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 Colorado Springs Utilities (local government). It impounds the East Beaver Creek near Pueblo.

The dam stands 120 feet tall and stretches 680 feet across, creates a reservoir covering 95 acres, has a maximum storage capacity of 3,155 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1961, the structure is well into its service life at over 50 years 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 08/12/2021.

At 120 feet, this dam is taller than 98% of all dams in the United States.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateColorado
CountyTeller
Nearest CityPueblo
River/StreamEast Beaver Creek
Coordinates38.73334, -104.95890

Physical Characteristics

Dam TypeRockfill
NID Height120 ft
Dam Height90 ft
Dam Length680 ft
Year Completed1961 (65 years old)

Storage & Hydraulics

NID Storage3,155 acre-ft
Max Storage3,155 acre-ft
Normal Storage2,538 acre-ft
Surface Area95 acres
Drainage Area3 sq mi
Max Discharge3,500 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerCOLORADO SPRINGS UTILITIES
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection08/12/2021
Emergency Action PlanYes

Identifiers

NID IDCO00471
Federal IDCO00471
More InfoState Dam Safety Program

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