The Ranch
The Ranch is an earth dam located in Adams County, Colorado, built in 1979. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About The Ranch
The primary purpose of The Ranch is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by The Ranch (jeff Therrien) (private). It impounds the Big Dry Creek-tr near Westminster.
The dam stands 27 feet tall and stretches 800 feet across, creates a reservoir covering 2 acres, and has a maximum storage capacity of 28 acre-feet. Completed in 1979, the structure is 47 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 05/23/2022.
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Location
| State | Colorado |
| County | Adams |
| Nearest City | Westminster |
| River/Stream | Big Dry Creek-tr |
| Coordinates | 39.90877, -105.00813 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 17 ft |
| Dam Length | 800 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 28 acre-ft |
| Max Storage | 28 acre-ft |
| Normal Storage | 18 acre-ft |
| Surface Area | 2 acres |
| Max Discharge | 55 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | THE RANCH (JEFF THERRIEN) |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/23/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO02342 |
| Federal ID | CO02342 |
| More Info | State Dam Safety Program |