Mount Elbert Forebay

E402379

artificial lake reservoir

Mount Elbert Forebay is a high-altitude reservoir in Colorado used primarily for hydroelectric power generation and water storage near Mount Elbert in the Sawatch Range.

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All labels observed (3)

Label	Occurrences
Mount Elbert Powerplant	2
Mount Elbert Forebay canonical	1
Mt. Elbert Pumped-Storage Powerplant	1

How this entity was disambiguated

This entity first appeared as the object of triple T3943958 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Mount Elbert Forebay
Context triple: [Sawatch Range, contains, Mount Elbert Forebay]

A. Blue Mesa
Blue Mesa is a striking badlands area in Arizona known for its colorful, banded rock formations and petrified wood within Petrified Forest National Park.
B. Blue Mesa Reservoir
Blue Mesa Reservoir is the largest body of water entirely in Colorado, a major storage and recreation reservoir on the Gunnison River within Curecanti National Recreation Area.
C. Bear Gulch Reservoir
Bear Gulch Reservoir is a small man-made lake in Pinnacles National Park, California, known for its scenic setting amid volcanic rock formations and proximity to popular hiking and cave trails.
D. Palisade Reservoir
Palisade Reservoir is a man-made lake in central Utah used primarily for irrigation, recreation, and local water storage.
E. Grand Lake, Colorado
Grand Lake, Colorado is a small mountain town at the western gateway to Rocky Mountain National Park, known for its scenic alpine lake and outdoor recreation.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Mount Elbert Forebay
Target entity description: Mount Elbert Forebay is a high-altitude reservoir in Colorado used primarily for hydroelectric power generation and water storage near Mount Elbert in the Sawatch Range.

A. Blue Mesa
Blue Mesa is a striking badlands area in Arizona known for its colorful, banded rock formations and petrified wood within Petrified Forest National Park.
B. Blue Mesa Reservoir
Blue Mesa Reservoir is the largest body of water entirely in Colorado, a major storage and recreation reservoir on the Gunnison River within Curecanti National Recreation Area.
C. Bear Gulch Reservoir
Bear Gulch Reservoir is a small man-made lake in Pinnacles National Park, California, known for its scenic setting amid volcanic rock formations and proximity to popular hiking and cave trails.
D. Palisade Reservoir
Palisade Reservoir is a man-made lake in central Utah used primarily for irrigation, recreation, and local water storage.
E. Grand Lake, Colorado
Grand Lake, Colorado is a small mountain town at the western gateway to Rocky Mountain National Park, known for its scenic alpine lake and outdoor recreation.
F. None of above. chosen

Statements (41)

Predicate	Object
instanceOf	artificial lake ⓘ reservoir ⓘ
access	via local forest roads from U.S. Highway 24 ⓘ
basinCountry	United States of America ⓘ surface form: United States
climateZone	alpine ⓘ
connectedTo	Mount Elbert Pumped-Storage Hydroelectric Project ⓘ surface form: Mount Elbert Powerplant Twin Lakes Reservoir ⓘ
constructionMethod	earthen dam impoundment ⓘ
continent	North America ⓘ
country	United States of America ⓘ surface form: United States
elevation	approximately 3000 meters above sea level ⓘ approximately 9800 feet above sea level ⓘ
energyInfrastructureRole	supports peak-load electricity generation ⓘ supports pumped-storage cycling between forebay and Twin Lakes Reservoir ⓘ
function	regulating reservoir for powerplant operations ⓘ upper reservoir for pumped-storage system ⓘ
locatedIn	Colorado ⓘ Lake County, Colorado NERFINISHED ⓘ
locatedInMountainRange	Sawatch Range ⓘ
locatedInProtectedArea	San Isabel National Forest NERFINISHED ⓘ
locatedInWatershed	Arkansas River basin ⓘ
locatedNear	Mount Elbert ⓘ Twin Lakes, Colorado ⓘ
locatedOn	a plateau above Twin Lakes ⓘ
nearCity	Leadville, Colorado ⓘ
nearFeature	North Mount Elbert Trailhead ⓘ surface form: Mount Elbert Trailheads Twin Lakes Reservoir ⓘ
operator	Bureau of Reclamation ⓘ surface form: Bureau of Reclamation Eastern Colorado Area Office Bureau of Reclamation ⓘ surface form: U.S. Bureau of Reclamation
outflow	Lake Creek ⓘ
ownedBy	United States government ⓘ
partOf	Colorado-Big Thompson Project ⓘ Mount Elbert Pumped-Storage Hydroelectric Project ⓘ
recreationActivity	boating (non-motorized, where permitted) ⓘ fishing ⓘ
region	central Colorado Rocky Mountains ⓘ
use	hydroelectric power generation ⓘ recreation ⓘ water storage ⓘ
watercourse	Lake Creek ⓘ
waterManagementRole	part of transbasin diversion system in Colorado ⓘ

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Sawatch Range → contains → Mount Elbert Forebay ⓘ

Fryingpan–Arkansas Project → majorComponent → Mount Elbert Forebay ⓘ

this entity surface form: Mount Elbert Powerplant

Fryingpan–Arkansas Project → hydropowerFacility → Mount Elbert Forebay ⓘ