Slab Canyon
Slab Canyon is an earth dam located in Larimer County, Colorado, built in 1937. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Slab Canyon
The primary purpose of Slab Canyon is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Ackerman Family Farms & Ranches, Llc (ackerman, El (private). It impounds the Slab Canyon Wash near Wellington.
The dam stands 26 feet tall and stretches 1,206 feet across, creates a reservoir covering 143 acres, has a maximum storage capacity of 1,026 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1937, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 09/25/2013. That was over 12 years ago.
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Location
| State | Colorado |
| County | Larimer |
| Nearest City | Wellington |
| River/Stream | Slab Canyon Wash |
| Coordinates | 40.86500, -105.16057 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 20 ft |
| Dam Length | 1,206 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 1,026 acre-ft |
| Max Storage | 1,026 acre-ft |
| Normal Storage | 311 acre-ft |
| Surface Area | 143 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 3,807 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | ACKERMAN FAMILY FARMS & RANCHES, LLC (ACKERMAN, EL |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/25/2013 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00152 |
| Federal ID | CO00152 |
| More Info | State Dam Safety Program |