Anderson - Roy Reservoir
Anderson - Roy Reservoir is an earth dam located in Clackamas County, Oregon, built in 1970. It carries a Low hazard potential classification.
About Anderson - Roy Reservoir
The primary purpose of Anderson - Roy Reservoir is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mbk 35803 Llc (private). It impounds the Marquam Creek near Mt. Angel.
The dam stands 26 feet tall and stretches 165 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 32 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1970, 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 10/30/2014. That was over 11 years ago.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Oregon |
| County | Clackamas |
| Nearest City | Mt. Angel |
| River/Stream | Marquam Creek |
| Coordinates | 45.09273, -122.67281 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 25 ft |
| Dam Length | 165 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 32 acre-ft |
| Max Storage | 32 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 950 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | MBK 35803 LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/30/2014 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00710 |
| Federal ID | OR00710 |
| More Info | State Dam Safety Program |