Nelson Reservoir No. 1

Nelson Reservoir No. 1 is an earth dam located in Jackson County, Oregon, built in 1957. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNone on file
Last inspection02/02/2012
Height36 ft
Built195769 years ago

Dam profile

NID height · 36 ft
36 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

36 ft tall and 750 ft long, taller than 82% 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 Nelson Reservoir No. 1

The primary purpose of Nelson Reservoir No. 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Charles F. Nelson (private). It impounds the Coal Mine Creek near Gold Hill.

The dam stands 36 feet tall and stretches 750 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 92 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1957, 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 02/02/2012. That was over 14 years ago.

At 36 feet, this dam is taller than 82% of dams nationwide.

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Location

StateOregon
CountyJackson
Nearest CityGold Hill
River/StreamCoal Mine Creek
Coordinates42.37219, -122.80327

Physical Characteristics

Dam TypeEarth
NID Height36 ft
Dam Height34 ft
Dam Length750 ft
Year Completed1957 (69 years old)

Storage & Hydraulics

NID Storage92 acre-ft
Max Storage92 acre-ft
Normal Storage80 acre-ft
Surface Area7 acres
Drainage Area0 sq mi
Max Discharge80 cfs

Ownership & Safety

PurposeIrrigation
OwnerCharles F. Nelson
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Last Inspection02/02/2012
Emergency Action PlanNo

Identifiers

NID IDOR00278
Federal IDOR00278
More InfoState Dam Safety Program