Erickson Dam
Erickson Dam is an earth dam located in Clark County, Washington, built in 1968. It carries a Significant hazard potential classification and has a poor condition assessment.
About Erickson Dam
The primary purpose of Erickson Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Navarro, Adrian (private). It impounds the Tr-rock Creek near La Center.
The dam stands 18 feet tall and stretches 500 feet across, creates a reservoir covering 125 acres, has a maximum storage capacity of 210 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1968, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 07/12/2023.
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Location
| State | Washington |
| County | Clark |
| Nearest City | La Center |
| River/Stream | Tr-rock Creek |
| Coordinates | 45.88741, -122.51783 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Length | 500 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 210 acre-ft |
| Max Storage | 210 acre-ft |
| Normal Storage | 125 acre-ft |
| Surface Area | 125 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 102 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Navarro, Adrian |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 07/12/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | WA00102 |
| Federal ID | WA00102 |
| More Info | State Dam Safety Program |