Thomas-cavender is an earth dam located in Grant County, Oregon, built in 1985. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 240 ft long, taller than 74% 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 Thomas-cavender
The primary purpose of Thomas-cavender is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by J & L Orchards LLC (private). It impounds the Pine Hollow Creek (offstream) near Monument.
The dam stands 32 feet tall and stretches 240 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 175 acre-feet, and collects water from a drainage area of 167 square miles. Completed in 1985, the structure is 41 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 01/21/2014. That was over 12 years ago.
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Location
| State | Oregon |
| County | Grant |
| Nearest City | Monument |
| River/Stream | Pine Hollow Creek (offstream) |
| Coordinates | 44.82432, -119.43140 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 240 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 175 acre-ft |
| Max Storage | 175 acre-ft |
| Normal Storage | 175 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 167 sq mi |
| Max Discharge | 40 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | J & L Orchards LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 01/21/2014 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00739 |
| Federal ID | OR00739 |
| More Info | State Dam Safety Program |