North Poudre #15

North Poudre #15 is an earth dam located in Larimer County, Colorado, built in 1949. It carries a High hazard potential classification and has a satisfactory condition assessment.

About North Poudre #15

The primary purpose of North Poudre #15 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by North Poudre Irr. Co. (moen, Tad) (private). It impounds the Dry Creek near Fort Collins.

The dam stands 53 feet tall and stretches 3,530 feet across, creates a reservoir covering 315 acres, has a maximum storage capacity of 7,700 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1949, the structure is well-established, with more than 75 years of service.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. 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 08/12/2022.

At 53 feet, this dam is taller than 94% of dams nationwide.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Colorado dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateColorado
CountyLarimer
Nearest CityFort Collins
River/StreamDry Creek
Coordinates40.77512, -105.12181

Physical Characteristics

Dam TypeEarth
NID Height53 ft
Dam Height53 ft
Dam Length3,530 ft
Year Completed1949 (77 years old)

Storage & Hydraulics

NID Storage7,700 acre-ft
Max Storage7,700 acre-ft
Normal Storage5,560 acre-ft
Surface Area315 acres
Drainage Area1 sq mi
Max Discharge2,950 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerNORTH POUDRE IRR. CO. (MOEN, TAD)
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection08/12/2022
Emergency Action PlanYes

Identifiers

NID IDCO00842
Federal IDCO00842
More InfoState Dam Safety Program

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