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

Malheur County, Oregon had 71 records in the inventory, 10 of them high hazard, as of October 30, 2026, according to the National Inventory of Dams.

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

Malheur County, Oregon, October 2026

10
High-hazard records
October 2026
4th of 36 counties the NID names in Oregon; 14.1% of the county’s 71 records. A hazard class is not a risk.
6
High hazard, condition published
October 2026
4 rated Poor or Unsatisfactory.
4
High hazard, condition not published
October 2026
4 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 71 records the NID places in Malheur 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
High10
Significant4
Low57
Undetermined0

Every record in Malheur 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 71 records the National Inventory of Dams lists in Malheur County, Oregon, with the hazard class and the condition assessment of each, as of October 30, 2026
Federal IDDam nameHazard class
OR00082Warm Springs DamHigh
OR00122AntelopeHigh
OR00132CrowleyHigh
OR00239Pole CreekHigh
OR00390Willow Creek 3 (Malheur)High
OR00578Bully Creek DamHigh
OR00582Owyhee DamHigh
OR00589Agency Valley DamHigh
OR00623Rock Creek DamHigh
OR03792Lonesome LakeHigh
OR00361Star Mountain ReservoirSignificant
OR00404Moores HollowSignificant
OR00625Parsnip Creek DiversionSignificant
OR03733Love Reservoir (Malheur)Significant
OR00019Somerville, The ReservoirLow
OR00036Scott DamLow
OR00048ButteLow
OR00051Arritola ReservoirLow
OR00052CorlissLow
OR00053Anderson-Lower (Malheur)Low
OR00054Beer S ReservoirLow
OR00068Fred Scott ReservoirLow
OR00073Lower Clark ReservoirLow
OR00074Shumway ReservoirLow
OR00081Stimmel ReservoirLow
OR00085Greely DamLow
OR00086Deary ReservoirLow
OR00089Salt Lick ReservoirLow
OR00090BeckerLow
OR00092Box Springs ReservoirLow
OR00094Upper Clark ReservoirLow
OR00118Maher DamLow
OR00164Echave Reservoir (Malheur)Low
OR00172Easterday ReservoirLow
OR00176Chapman UpperLow
OR00178Dickson ReservoirLow
OR00188Vane Ranch ReservoirLow
OR00193N. Fk. Indian Creek ReservoirLow
OR00194Murphy DamLow
OR00227Star CreekLow
OR00253Blevin DamLow
OR00254Rock House Reservoir (Malheur)Low
OR00256Odell, BenLow
OR00269Wheaton Creek ReservoirLow
OR00310Mud Flat ReservoirLow
OR00322Vaughn Reservoir (Malheur)Low
OR00338Parsnip Creek ReservoirLow
OR00383Cob Creek DamLow
OR00570Morrison DamLow
OR00571S. Fork Squaw Creek DamLow
OR00626Albertson S Reservoir (Malheur) (Lagoon)Low
OR00664Chevally ReservoirLow
OR00679Turnbull Peak ReservoirLow
OR00703South Cottonwood Creek ReservoirLow
OR00723Lockett ReservoirLow
OR00753Amalgamated SugarLow
OR00758Steer Canyon DamLow
OR00760Riley Horn DamLow
OR00761Mud Creek #1 ReservoirLow
OR00763Copeland ReservoirLow
OR01477Crows Nest ReservoirLow
OR01889Hawks Nest ReservoirLow
OR02374Mc Nulty DamLow
OR03336Twin Springs DamLow
OR03698Hicks Canyon DamLow
OR03704Mud Creek DamLow
OR03734Castro ReservoirLow
OR03739Jaca DamLow
OR03757Dowell ReservoirLow
OR03758Hope ReservoirLow
OR03888Arock Diversion 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