Worster
Worster is an earth dam located in Larimer County, Colorado, built in 1911. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Worster
The primary purpose of Worster is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Divide Canal & Res. Co. (hoff, Shawn) (private). It impounds the Sheep Creek near Fort Collins.
The dam stands 78 feet tall and stretches 705 feet across, creates a reservoir covering 134 acres, has a maximum storage capacity of 4,018 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1911, 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 08/25/2021.
At 78 feet, this dam is taller than 97% of all dams in the United States.
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Location
| State | Colorado |
| County | Larimer |
| Nearest City | Fort Collins |
| River/Stream | Sheep Creek |
| Coordinates | 40.94440, -105.71489 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 78 ft |
| Dam Height | 72 ft |
| Dam Length | 705 ft |
| Year Completed | 1911 (115 years old) |
Storage & Hydraulics
| NID Storage | 4,018 acre-ft |
| Max Storage | 4,018 acre-ft |
| Normal Storage | 3,750 acre-ft |
| Surface Area | 134 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 192 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | DIVIDE CANAL & RES. CO. (HOFF, SHAWN) |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/25/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO01765 |
| Federal ID | CO01765 |
| More Info | State Dam Safety Program |