North Poudre #11
North Poudre #11 is an earth dam located in Larimer County, Colorado, built in 1888. It carries a Low hazard potential classification and has a fair condition assessment.
About North Poudre #11
The primary purpose of North Poudre #11 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 Boxelder Creek near Wellington.
The dam stands 8 feet tall and stretches 2,000 feet across, creates a reservoir covering 30 acres, and has a maximum storage capacity of 50 acre-feet. Completed in 1888, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 02/21/1979. That was over 47 years ago.
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Location
| State | Colorado |
| County | Larimer |
| Nearest City | Wellington |
| River/Stream | Boxelder Creek |
| Coordinates | 40.75667, -105.03723 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 2,000 ft |
| Year Completed | 1888 (138 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Surface Area | 30 acres |
| Max Discharge | 2,000 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | NORTH POUDRE IRR. CO. (MOEN, TAD) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 02/21/1979 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02040 |
| Federal ID | CO02040 |
| More Info | State Dam Safety Program |