Slickrock Creek
Slickrock Creek is an earth dam located in Shasta County, California, built in 2004. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Slickrock Creek
The primary purpose of Slickrock Creek is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Iron Mountain Mine Remediation Trust I (private). It impounds the Slickrock Creek.
The dam stands 155 feet tall and stretches 440 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 231 acre-feet. Completed in 2004, the structure is relatively new.
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 01/07/2026.
At 155 feet, this dam is taller than 99% of all dams in the United States.
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Location
| State | California |
| County | Shasta |
| River/Stream | Slickrock Creek |
| Coordinates | 40.66730, -122.52380 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 155 ft |
| Dam Height | 155 ft |
| Dam Length | 440 ft |
| Year Completed | 2004 (22 years old) |
Storage & Hydraulics
| NID Storage | 231 acre-ft |
| Max Storage | 231 acre-ft |
| Surface Area | 7 acres |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Iron Mountain Mine Remediation Trust I |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/07/2026 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA01444 |
| Federal ID | CA01444 |
| More Info | State Dam Safety Program |