Rock Lake is an earth dam located in Baker County, Oregon, built in 1928. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 160 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 Rock Lake
The primary purpose of Rock Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Gerald Maxwell (private). It impounds the Unnamed near Haines.
The dam stands 28 feet tall and stretches 160 feet across, creates a reservoir covering 23 acres, has a maximum storage capacity of 500 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1928, 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. The most recent inspection on record was 09/27/2018.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Oregon |
| County | Baker |
| Nearest City | Haines |
| River/Stream | Unnamed |
| Coordinates | 44.82289, -118.11159 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 160 ft |
| Year Completed | 1928 (98 years old) |
Storage & Hydraulics
| NID Storage | 500 acre-ft |
| Max Storage | 500 acre-ft |
| Normal Storage | 452 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 108 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Gerald Maxwell |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/27/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00088 |
| Federal ID | OR00088 |
| More Info | State Dam Safety Program |