Hawn Creek Reservoir
Hawn Creek Reservoir is an earth dam located in Yamhill County, Oregon, built in 1961. It carries a Low hazard potential classification.
About Hawn Creek Reservoir
The primary purpose of Hawn Creek Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Hawn Creek District Improvement Company (local government). It impounds the Hawn Creek near Lafayette.
The dam stands 25 feet tall and stretches 268 feet across, creates a reservoir covering 26 acres, has a maximum storage capacity of 250 acre-feet, and collects water from a drainage area of 11 square miles. Completed in 1961, the structure is well into its service life at over 50 years old.
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. The most recent inspection on record was 03/25/2014. That was over 12 years ago.
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Location
| State | Oregon |
| County | Yamhill |
| Nearest City | Lafayette |
| River/Stream | Hawn Creek |
| Coordinates | 45.24309, -123.14234 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 23 ft |
| Dam Length | 268 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 250 acre-ft |
| Max Storage | 250 acre-ft |
| Normal Storage | 153 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 1,430 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | HAWN CREEK DISTRICT IMPROVEMENT COMPANY |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 03/25/2014 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00367 |
| Federal ID | OR00367 |
| More Info | State Dam Safety Program |