Case Creek Dam 1
Case Creek Dam 1 is an earth dam located in Marion County, Oregon, built in 1971. It carries a Low hazard potential classification.
About Case Creek Dam 1
The primary purpose of Case Creek Dam 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Douglas & Patricia Krahmer (private). It impounds the Case Creek near Butteville.
The dam stands 25 feet tall and stretches 270 feet across, creates a reservoir covering 26 acres, has a maximum storage capacity of 352 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1971, 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 08/05/2020.
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Location
| State | Oregon |
| County | Marion |
| Nearest City | Butteville |
| River/Stream | Case Creek |
| Coordinates | 45.20475, -122.88526 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 23 ft |
| Dam Length | 270 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 352 acre-ft |
| Max Storage | 352 acre-ft |
| Normal Storage | 255 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 581 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | DOUGLAS & PATRICIA KRAHMER |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 08/05/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00504 |
| Federal ID | OR00504 |
| More Info | State Dam Safety Program |