Aspaas
Aspaas is an earth dam located in La Plata County, Colorado, built in 1980. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Aspaas
The primary purpose of Aspaas is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Public Service Company Of Colorado (public utility). It impounds the Little Cascade Creek near Hermosa.
The dam stands 46 feet tall and stretches 274 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 40 acre-feet, and collects water from a drainage area of 26 square miles. Completed in 1980, the structure is 46 years old.
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 09/15/2022.
At 46 feet, this dam is taller than 91% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Colorado |
| County | La Plata |
| Nearest City | Hermosa |
| River/Stream | Little Cascade Creek |
| Coordinates | 37.59160, -107.80060 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 46 ft |
| Dam Height | 27 ft |
| Dam Length | 274 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 40 acre-ft |
| Max Storage | 40 acre-ft |
| Normal Storage | 24 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 26 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Public Service Company of Colorado |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/15/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02534 |
| Federal ID | CO02534 |
| More Info | State Dam Safety Program |