North Poudre # 4
North Poudre # 4 is an earth dam located in Larimer County, Colorado, built in 1956. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About North Poudre # 4
The primary purpose of North Poudre # 4 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-tr near Wellington.
The dam stands 24 feet tall and stretches 1,400 feet across, creates a reservoir covering 119 acres, and has a maximum storage capacity of 2,264 acre-feet. Completed in 1956, 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 08/26/2022.
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Location
| State | Colorado |
| County | Larimer |
| Nearest City | Wellington |
| River/Stream | Boxelder Creek-tr |
| Coordinates | 40.71567, -105.02989 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 1,400 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 2,264 acre-ft |
| Max Storage | 2,264 acre-ft |
| Normal Storage | 1,669 acre-ft |
| Surface Area | 119 acres |
| Max Discharge | 1,600 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 | 08/26/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00839 |
| Federal ID | CO00839 |
| More Info | State Dam Safety Program |