Ryan Gulch

Ryan Gulch is an earth dam located in Larimer County, Colorado, built in 1950. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Ryan Gulch

The primary purpose of Ryan Gulch is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Ryan Gulch Reservoir Company (bill Beierwaltes) (private). It impounds the Ryan Gulch near Loveland.

The dam stands 36 feet tall and stretches 894 feet across, creates a reservoir covering 87 acres, has a maximum storage capacity of 1,290 acre-feet, and collects water from a drainage area of 12 square miles. Completed in 1950, the structure is well-established, with more than 75 years of service.

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 08/03/2021.

At 36 feet, this dam is taller than 83% of dams nationwide.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateColorado
CountyLarimer
Nearest CityLoveland
River/StreamRyan Gulch
Coordinates40.37490, -105.09954

Physical Characteristics

Dam TypeEarth
NID Height36 ft
Dam Height36 ft
Dam Length894 ft
Year Completed1950 (76 years old)

Storage & Hydraulics

NID Storage1,290 acre-ft
Max Storage1,290 acre-ft
Normal Storage738 acre-ft
Surface Area87 acres
Drainage Area12 sq mi
Max Discharge4,076 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerRYAN GULCH RESERVOIR COMPANY (BILL BEIERWALTES)
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection08/03/2021
Emergency Action PlanYes

Identifiers

NID IDCO01194
Federal IDCO01194
More InfoState Dam Safety Program

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