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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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateCalifornia
CountyShasta
River/StreamSlickrock Creek
Coordinates40.66730, -122.52380

Physical Characteristics

Dam TypeEarth
NID Height155 ft
Dam Height155 ft
Dam Length440 ft
Year Completed2004 (22 years old)

Storage & Hydraulics

NID Storage231 acre-ft
Max Storage231 acre-ft
Surface Area7 acres

Ownership & Safety

PurposeWater Supply
OwnerIron Mountain Mine Remediation Trust I
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection01/07/2026
Emergency Action PlanYes

Identifiers

NID IDCA01444
Federal IDCA01444
More InfoState Dam Safety Program

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