North Poudre #1
North Poudre #1 is an earth dam located in Larimer County, Colorado, built in 1885. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About North Poudre #1
The primary purpose of North Poudre #1 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 Cache La Poudre River-tr near Fort Collins.
The dam stands 16 feet tall and stretches 800 feet across, creates a reservoir covering 87 acres, and has a maximum storage capacity of 899 acre-feet. Completed in 1885, 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 08/12/2022.
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Location
| State | Colorado |
| County | Larimer |
| Nearest City | Fort Collins |
| River/Stream | Cache La Poudre River-tr |
| Coordinates | 40.72713, -105.13083 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 800 ft |
| Year Completed | 1885 (141 years old) |
Storage & Hydraulics
| NID Storage | 899 acre-ft |
| Max Storage | 899 acre-ft |
| Normal Storage | 629 acre-ft |
| Surface Area | 87 acres |
| Max Discharge | 1,040 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | NORTH POUDRE IRR. CO. (MOEN, TAD) |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/12/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00836 |
| Federal ID | CO00836 |
| More Info | State Dam Safety Program |