Haller Dam
Haller Dam is an earth dam located in Clallam County, Washington, built in 1945. It carries a Low hazard potential classification.
About Haller Dam
The primary purpose of Haller Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Garysmith (private). It impounds the Dungeness River-offstream near Sequim.
The dam stands 45 feet tall and stretches 150 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 20 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1945, 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.
At 45 feet, this dam is taller than 91% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Washington |
| County | Clallam |
| Nearest City | Sequim |
| River/Stream | Dungeness River-offstream |
| Coordinates | 48.03803, -123.15320 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Length | 150 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 20 acre-ft |
| Max Storage | 20 acre-ft |
| Normal Storage | 12 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 4 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | GarySmith |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA01504 |
| Federal ID | WA01504 |
| More Info | State Dam Safety Program |