Cole and Forrester is an earth dam located in Yamhill County, Oregon, built in 1951. It carries a Low hazard potential classification.
Dam profile
NID height · 37 ft37 ft tall and 325 ft long, taller than 83% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Cole and Forrester
The primary purpose of Cole and Forrester is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Stonebridge, Ltd. (private). It impounds the Unnamed near Dayton.
The dam stands 37 feet tall and stretches 325 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 122 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1951, 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 02/10/2009. That was over 17 years ago.
At 37 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Oregon |
| County | Yamhill |
| Nearest City | Dayton |
| River/Stream | Unnamed |
| Coordinates | 45.23366, -123.09238 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 35 ft |
| Dam Length | 325 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 122 acre-ft |
| Max Storage | 122 acre-ft |
| Normal Storage | 122 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 106 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Stonebridge, Ltd. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 02/10/2009 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OR00229 |
| Federal ID | OR00229 |
| More Info | State Dam Safety Program |