John Day Dam

concrete gravity run-of-the-river dam on the Columbia River in Oregon and Washington, United States
Place dam Q689531
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John Day Dam

Summary

John Day Dam is a dam[1]. It ranks in the top 4% of dam entities by monthly Wikipedia readership (58 views/month).[2]

Key Facts

  • John Day Dam is located in Washington[3].
  • John Day Dam is located in Oregon[4].
  • John Day Dam is located in Klickitat County[5].
  • John Day Dam is in the country of United States[6].
  • John Day Dam's image is recorded as JhnDyDam1.jpg[7].
  • John Day Dam's instance of is recorded as dam[8].
  • John Day Dam's instance of is recorded as lock[9].
  • John Day Dam's instance of is recorded as hydroelectric power station[10].
  • John Day Dam's Commons category is recorded as John Day Dam[11].
  • John Day Dam's Structurae structure ID is recorded as 20031309[12].
  • +1959-00-00T00:00:00Z marks the founding of John Day Dam[13].
  • John Day Dam's GNIS Feature ID is recorded as 1505826[14].
  • John Day Dam's coordinate location is recorded as {'lat': 45.715555555556, 'lon': -120.69277777778}[15].
  • John Day Dam's Freebase ID is recorded as /m/0371hv[16].
  • John Day Dam's located in/on physical feature is recorded as Columbia River[17].
  • John Day Dam's GeoNames ID is recorded as 5733777[18].
  • John Day Dam's GeoNames ID is recorded as 5798796[19].
  • John Day Dam's length is recorded as {'unit': 'Q11573', 'amount': '+1719'}[20].
  • John Day Dam's nominal power output is recorded as {'unit': 'Q6982035', 'amount': '+2160'}[21].
  • John Day Dam's drainage basin is recorded as Columbia Basin[22].
  • John Day Dam's reservoir created is recorded as Lake Umatilla[23].
  • John Day Dam's National Inventory of Dams ID is recorded as WA00456[24].
  • John Day Dam's EIA plant ID is recorded as 3082[25].

Body

Geography

John Day Dam is in the country of United States[6]. Located in include Washington[3], an U.S. state[26], in United States[27], founded in 1889[28]; Oregon[4], an U.S. state[29], in United States[30], founded in 1859[31], headquartered in Salem[32]; and Klickitat County[5], a county of Washington[33], in United States[34], founded in 1859[35].

Physical Characteristics

John Day Dam's length is recorded as {'unit': 'Q11573', 'amount': '+1719'}[20].

Designation and Status

Recorded instance of include dam[8], lock[9], and hydroelectric power station[10].

History and Context

+1959-00-00T00:00:00Z marks the founding of John Day Dam[13].

Why It Matters

John Day Dam ranks in the top 4% of dam entities by monthly Wikipedia readership (58 views/month).[2] It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[36] It is known by 6 alternative names across languages and contexts.[37]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [6] . Geographic Names Information System. wikidata.org.
  2. [7] . wikidata.org.
  3. [8] . National Inventory of Dams. wikidata.org.
  4. [9] . National Inventory of Dams. wikidata.org.
  5. [10] . Form EIA-860M. Retrieved . wikidata.org.
  6. [3] . wikidata.org.
  7. [4] . wikidata.org.
  8. [5] . Geographic Names Information System. wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . Geographic Names Information System. wikidata.org.
  14. [16] . Freebase Data Dumps. wikidata.org.
  15. [17] . National Inventory of Dams. wikidata.org.
  16. [18] . GeoNames. wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . Form EIA-860. Retrieved . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . Form EIA-860. wikidata.org.

Inline context (facts about related entities)

  1. [26] . Wikidata. wikidata.org. → on this site
  2. [27] . Wikidata. wikidata.org. → on this site
  3. [28] . Wikidata. wikidata.org. → on this site
  4. [29] . Wikidata. wikidata.org. → on this site
  5. [30] . Wikidata. wikidata.org. → on this site
  6. [31] . Wikidata. wikidata.org. → on this site
  7. [32] . Wikidata. wikidata.org. → on this site
  8. [33] . Wikidata. wikidata.org. → on this site
  9. [34] . Wikidata. wikidata.org. → on this site
  10. [35] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [36] . Wikidata sitelinks. wikidata.org.
  3. [37] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). John Day Dam. Retrieved May 3, 2026, from https://4ort.xyz/entity/john-day-dam
MLA “John Day Dam.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/john-day-dam.
BibTeX @misc{4ortxyz_john-day-dam_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{John Day Dam}}, year = {2026}, url = {https://4ort.xyz/entity/john-day-dam}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): John Day Dam — https://4ort.xyz/entity/john-day-dam (retrieved 2026-05-03)

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