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Jackson County, Oregon: records in the National Inventory of Dams

Jackson County, Oregon had 56 records in the inventory, 21 of them high hazard, as of October 30, 2026, according to the National Inventory of Dams.

The NID prints the county as Jackson. A count is of records, which include the separate structures recorded with a dam.

Jackson County, Oregon, October 2026

21
High-hazard records
October 2026
1st of 36 counties the NID names in Oregon; 37.5% of the county’s 56 records. A hazard class is not a risk.
11
High hazard, condition published
October 2026
5 rated Poor or Unsatisfactory.
10
High hazard, condition not published
October 2026
10 not provided to the NID, 0 with no condition assessment in its file.

Records by hazard class

1 more column on a wider screen

The 56 records the NID places in Jackson County, Oregon, by the hazard class the responsible agency assigned, October 2026. A class is the consequence of a failure, not its likelihood.
Hazard classRecords
High21
Significant20
Low15
Undetermined0

Every record in Jackson County

High hazard first, then by Federal ID. Each opens the record’s own page, with every field the NID publishes for it. Names are the NID’s, as printed.

2 more columns on a wider screen

The 56 records the National Inventory of Dams lists in Jackson County, Oregon, with the hazard class and the condition assessment of each, as of October 30, 2026
Federal IDDam nameHazard class
OR00021Fish Lake DamHigh
OR00031Keene Creek DamHigh
OR00110Hosler (Reeder GulchHigh
OR00212Willow CreekHigh
OR00222YankeeHigh
OR00246Walch DamHigh
OR00357Woodrat KnobHigh
OR00379WadeHigh
OR00395Lake CreekHigh
OR00400Sams ValleyHigh
OR00401Osborne CreekHigh
OR00422Agate DamHigh
OR00475DugganHigh
OR00560North Fork Diversion DamHigh
OR00580Howard Prairie DamHigh
OR00581Emigrant DamHigh
OR00581S001Emigrant Coaxial DikeHigh
OR00581S002Emigrant Highway DikeHigh
OR00591Hyatt DamHigh
OR00612William L. Jess DamHigh
OR00624Applegate DamHigh
OR00204Gardener ReservoirSignificant
OR00286Skou ReservoirSignificant
OR00295Woolfolk ReservoirSignificant
OR00304Hammel No. 2Significant
OR00346Lester James Reservoir 3Significant
OR00429Bradshaw 2Significant
OR00442BradshawSignificant
OR00459Frog Pond #1Significant
OR00460HarrisonSignificant
OR00523Lester James #1Significant
OR00528Hoover Pond 3Significant
OR00529Hoover Pond 2Significant
OR00530Hoover Pond 1Significant
OR00538Squaw Lake DamSignificant
OR00612S001William L. Jess Dam - Lost Creek Lake Fish StructureSignificant
OR00702Bounds ReservoirSignificant
OR00715North Fork Diversion DamSignificant
OR02172Lester James Reservoir 2Significant
OR02356Mccormick ReservoirSignificant
OR04092Prospect No. 2 Forebay DamSignificant
OR00139Pierce ReservoirLow
OR00148Dailey Reservoir Log PondLow
OR00218Grizzley Creek Reservoir No. 2Low
OR00247Stanley, Charles W. ReservoirLow
OR00278Nelson Reservoir No. 1Low
OR00387Star LakeLow
OR00439Simpson Reservoir (Jackson)Low
OR00581S003Emigrant Spillway DikeLow
OR00635Medford Forest NurseryLow
OR00636OwenLow
OR00716South Fork Diversion DamLow
OR01363Charley Horse ReservoirLow
OR02196Little Hyatt DamLow
OR03864Ditch Creek ReservoirLow
OR04001Ra Murphy DamLow

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Sources

Compiled automatically from National Inventory of Dams — national CSV by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved