Heater Reservoir #2 is an earth dam located in Marion County, Oregon, built in 1981. It carries a Significant hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 290 ft long, taller than 62% 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 Heater Reservoir #2
The primary purpose of Heater Reservoir #2 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by James M. Heater (private). It impounds the Center Fork Drift Creek near No Downstream Settlement.
The dam stands 28 feet tall and stretches 290 feet across, creates a reservoir covering 4 acres, has a storage capacity of 42 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1981, the structure is 45 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. The most recent inspection on record was 03/04/2020.
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Location
| State | Oregon |
| County | Marion |
| Nearest City | No Downstream Settlement |
| River/Stream | Center Fork Drift Creek |
| Coordinates | 44.88401, -122.70945 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 290 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 42 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 82 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | James M. Heater |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 03/04/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OR00729 |
| Federal ID | OR00729 |
| More Info | State Dam Safety Program |