Anderson Brothers #1
Anderson Brothers #1 is an earth dam located in Mesa County, Colorado, built in 1940. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
About Anderson Brothers #1
The primary purpose of Anderson Brothers #1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Laramie Energy Llc (private). It impounds the Leon Creek-tr near Collbran.
The dam stands 27 feet tall and stretches 775 feet across, creates a reservoir covering 32 acres, and has a maximum storage capacity of 387 acre-feet. Completed in 1940, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 07/08/2021.
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Location
| State | Colorado |
| County | Mesa |
| Nearest City | Collbran |
| River/Stream | Leon Creek-tr |
| Coordinates | 39.12833, -107.82724 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 23 ft |
| Dam Length | 775 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 387 acre-ft |
| Max Storage | 387 acre-ft |
| Normal Storage | 216 acre-ft |
| Surface Area | 32 acres |
| Max Discharge | 3,065 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | LARAMIE ENERGY LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 07/08/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00945 |
| Federal ID | CO00945 |
| More Info | State Dam Safety Program |