Grand Coulee Dam

concrete hydroelectric gravity dam on the Columbia River in Washington, United States
Place gravity_dam Q930391
Grand Coulee Dam
U.S. Bureau of Reclamation · Public Domain · Wikimedia
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Summary

Grand Coulee Dam is a gravity dam[1]. It ranks in the top 2% of gravity dam entities by monthly Wikipedia readership (3,186 views/month).[2]

Key Facts

  • Located in the administrative territorial entity: Okanogan County[3], Grant County[4]
  • Country: United States[5]
  • Instance of: hydroelectric power station[6], pumped-storage power station[7]
  • Commons category: Grand Coulee Dam[8]
  • Inception: January 1, 1941[9]
  • Coordinate location: 47.95611, -118.98181[10]
  • Located in/on physical feature: Columbia River[11]
  • Official website: http://www.usbr.gov/pn/grandcoulee/[12], https://www.usbr.gov/pn/grandcoulee/[13]
  • Heritage designation: Historic Civil Engineering Landmark[14]
  • Native label: Grand Coulee Dam[15]
  • Length: 1592[16]
  • Nominal power output: 6809[17]
  • Capital cost: 1,860,000,000[18]
  • Next crossing upstream: Keller Ferry[19]
  • Next crossing downstream: Grand Coulee Bridge[20]
  • Hydraulic head: 380[21]
  • Drainage basin: Columbia Basin[22]
  • Reservoir created: Franklin D. Roosevelt Lake[23]

Why It Matters

Grand Coulee Dam has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[24] It is known by 29 alternative names across languages and contexts.[25]

References

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

Direct Wikidata claims

  1. [5] ↑ . wikidata.org.
  2. [6] ↑ . wikidata.org.
  3. [7] ↑ . wikidata.org.
  4. [3] ↑ . wikidata.org.
  5. [4] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [24] ↑ . Wikidata sitelinks. wikidata.org.
  3. [25] ↑ . 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). Grand Coulee Dam. Retrieved October 11, 2026, from https://4ort.xyz/entity/grand-coulee-dam
MLA “Grand Coulee Dam.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Oct. 2026, https://4ort.xyz/entity/grand-coulee-dam.
BibTeX @misc{4ortxyz_grand-coulee-dam_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Grand Coulee Dam}}, year = {2026}, url = {https://4ort.xyz/entity/grand-coulee-dam}, note = {Accessed: 2026-10-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Grand Coulee Dam — https://4ort.xyz/entity/grand-coulee-dam (retrieved 2026-10-11)

Canonical URL: https://4ort.xyz/entity/grand-coulee-dam · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 4w ago · IdeasMagnet · 2026-09-08 view diff on Wikidata ↗
    Next crossing upstream → Keller Ferry
    Openstreetmap relation id → 898986
    "/* wbsetclaim-create:2||1 */ Openstreetmap relation id: 898986, Adding OSM relation id claim from wikidata tag on relation/898986 in United States"
  2. 15w ago · DontCallMeLateForDinner · 2026-06-24 view diff on Wikidata ↗
    Website → —
    Length → {'amount': '+1592'}
    Aliases → —
    Country → —
    + 20 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ Next crossing downstream: Grand Coulee Bridge"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.