Sherwood
Sherwood is an earth dam located in Larimer County, Colorado, built in 1906. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Sherwood
The primary purpose of Sherwood is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Sherwood Reservoir Company (summer, Dennis) (private). It impounds the Cache La Poudre near Fort Collins.
The dam stands 14 feet tall and stretches 1,375 feet across, creates a reservoir covering 40 acres, and has a maximum storage capacity of 466 acre-feet. Completed in 1906, 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 09/14/2022.
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Location
| State | Colorado |
| County | Larimer |
| Nearest City | Fort Collins |
| River/Stream | Cache La Poudre |
| Coordinates | 40.54952, -105.04534 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 10 ft |
| Dam Length | 1,375 ft |
| Year Completed | 1906 (120 years old) |
Storage & Hydraulics
| NID Storage | 466 acre-ft |
| Max Storage | 466 acre-ft |
| Normal Storage | 298 acre-ft |
| Surface Area | 40 acres |
| Max Discharge | 913 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | SHERWOOD RESERVOIR COMPANY (SUMMER, DENNIS) |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/14/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO01990 |
| Federal ID | CO01990 |
| More Info | State Dam Safety Program |