Pinon Lake
Pinon Lake is an earth dam located in Archuleta County, Colorado, built in 1971. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Pinon Lake
The primary purpose of Pinon Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Fairfield Pagosa (alex Martinez) (private). It impounds the Martinez Creek-tr near Blanco, Nm.
The dam stands 17 feet tall and stretches 700 feet across, creates a reservoir covering 37 acres, has a maximum storage capacity of 310 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1971, the structure is well into its service life at over 50 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 10/10/2019.
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Location
| State | Colorado |
| County | Archuleta |
| Nearest City | Blanco, Nm |
| River/Stream | Martinez Creek-tr |
| Coordinates | 37.26418, -107.06862 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 14 ft |
| Dam Length | 700 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 310 acre-ft |
| Max Storage | 310 acre-ft |
| Normal Storage | 123 acre-ft |
| Surface Area | 37 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 3,393 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | FAIRFIELD PAGOSA (ALEX MARTINEZ) |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/10/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO01747 |
| Federal ID | CO01747 |
| More Info | State Dam Safety Program |