Spruce Lake #1 (upper)
Spruce Lake #1 (upper) is an earth dam located in Mineral County, Colorado, built in 1926. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Spruce Lake #1 (upper)
The primary purpose of Spruce Lake #1 (upper) is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by David Colville Et Al (david Colville) (private). It impounds the S Fk Rio Grande-tr near South Fork.
The dam stands 19 feet tall and stretches 295 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 166 acre-feet. Completed in 1926, 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 09/07/2018.
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Location
| State | Colorado |
| County | Mineral |
| Nearest City | South Fork |
| River/Stream | S Fk Rio Grande-tr |
| Coordinates | 37.51333, -106.86223 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 295 ft |
| Year Completed | 1926 (100 years old) |
Storage & Hydraulics
| NID Storage | 166 acre-ft |
| Max Storage | 166 acre-ft |
| Normal Storage | 111 acre-ft |
| Surface Area | 10 acres |
| Max Discharge | 500 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | DAVID COLVILLE ET AL (DAVID COLVILLE) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/07/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00783 |
| Federal ID | CO00783 |
| More Info | State Dam Safety Program |