Johnson Log Sorting Pond is an earth dam located in Coos County, Oregon, built in 1951. It carries a Low hazard potential classification.
Dam profile
NID height · 13 ft13 ft tall and 7,480 ft long. 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 Johnson Log Sorting Pond
Johnson Log Sorting Pond is a dam in Coos, Oregon. The dam is owned by Coos County Parks Department (state). It impounds the Coquille River near Coquille.
The dam stands 13 feet tall and stretches 7,480 feet across, creates a reservoir covering 82 acres, and has a maximum storage capacity of 491 acre-feet. 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 08/13/2018.
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Location
| State | Oregon |
| County | Coos |
| Nearest City | Coquille |
| River/Stream | Coquille River |
| Coordinates | 43.13165, -124.19047 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 11 ft |
| Dam Length | 7,480 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 491 acre-ft |
| Max Storage | 491 acre-ft |
| Normal Storage | 491 acre-ft |
| Surface Area | 82 acres |
Ownership & Safety
| Purpose | Other |
| Owner | Coos County Parks Department |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/13/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00202 |
| Federal ID | OR00202 |
| More Info | State Dam Safety Program |