Frederick is an earth dam located in Weld County, Colorado, built in 1892. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 19 ft19 ft tall and 6,862 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Frederick
The primary purpose of Frederick is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Town of Frederick (watson, P.e., Sarah) (local government). It impounds the Boulder Creek-os near Firestone.
The dam stands 19 feet tall and stretches 6,862 feet across, creates a reservoir covering 65 acres, and has a maximum storage capacity of 1,331 acre-feet. Completed in 1892, 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 10/07/2021.
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Location
| State | Colorado |
| County | Weld |
| Nearest City | Firestone |
| River/Stream | Boulder Creek-os |
| Coordinates | 40.12282, -104.94385 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 6,862 ft |
| Year Completed | 1892 (134 years old) |
Storage & Hydraulics
| NID Storage | 1,331 acre-ft |
| Max Storage | 1,331 acre-ft |
| Normal Storage | 1,135 acre-ft |
| Surface Area | 65 acres |
| Max Discharge | 1,510 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Town of Frederick (watson, P.e., Sarah) |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/07/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00220 |
| Federal ID | CO00220 |
| More Info | State Dam Safety Program |