Dworshak Dam
E439362
Dworshak Dam is a large concrete gravity dam on the North Fork Clearwater River in Idaho, primarily used for hydroelectric power generation, flood control, and recreation.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Dworshak Dam canonical | 6 |
| Dworshak Powerplant | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3695874 — 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: Dworshak Dam Context triple: [Columbia River hydropower system, includesFacility, Dworshak Dam]
-
A.
Wanapum Dam
Wanapum Dam is a hydroelectric dam on the Columbia River in Washington State that generates power, supports irrigation, and helps regulate river flow.
-
B.
Minidoka Dam
Minidoka Dam is an early 20th-century Bureau of Reclamation irrigation and hydroelectric dam on the Snake River in southern Idaho.
-
C.
McNary Dam
McNary Dam is a large hydroelectric dam and navigation lock complex on the Columbia River in the Pacific Northwest of the United States.
-
D.
O'Shaughnessy Dam
O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
-
E.
Libby Dam
Libby Dam is a large hydroelectric and flood-control dam on the Kootenai River in Montana that contributes significant power and water management capacity to the Columbia River Basin.
- 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: Dworshak Dam Target entity description: Dworshak Dam is a large concrete gravity dam on the North Fork Clearwater River in Idaho, primarily used for hydroelectric power generation, flood control, and recreation.
-
A.
Wanapum Dam
Wanapum Dam is a hydroelectric dam on the Columbia River in Washington State that generates power, supports irrigation, and helps regulate river flow.
-
B.
Minidoka Dam
Minidoka Dam is an early 20th-century Bureau of Reclamation irrigation and hydroelectric dam on the Snake River in southern Idaho.
-
C.
McNary Dam
McNary Dam is a large hydroelectric dam and navigation lock complex on the Columbia River in the Pacific Northwest of the United States.
-
D.
O'Shaughnessy Dam
O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
-
E.
Libby Dam
Libby Dam is a large hydroelectric and flood-control dam on the Kootenai River in Montana that contributes significant power and water management capacity to the Columbia River Basin.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
concrete gravity dam
ⓘ
hydroelectric dam ⓘ |
| completionDate | 1973 ⓘ |
| constructionStartDate | 1966 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| elevationAtCrest | 1,613 feet above sea level ⓘ |
| governingLaw | Flood Control Act of 1962 ⓘ |
| hasFacility | Dworshak National Fish Hatchery ⓘ |
| hasPowerPlant |
Dworshak Powerplant
ⓘ
linked to:
Dworshak Dam
|
| hasRecreationArea | Dworshak Reservoir recreation sites ⓘ |
| hasReservoir | Dworshak Reservoir ⓘ |
| hasSpillway | yes ⓘ |
| height |
219 meters
ⓘ
717 feet ⓘ |
| impact | blocks anadromous fish migration on North Fork Clearwater River ⓘ |
| installedCapacity | 400 megawatts ⓘ |
| length |
1,260 feet
ⓘ
384 meters ⓘ |
| locatedIn |
Clearwater County, Idaho
ⓘ
Idaho ⓘ |
| locatedInTimeZone | Pacific Time Zone ⓘ |
| locatedOn | North Fork Clearwater River ⓘ |
| managingAgency | U.S. Army Corps of Engineers Walla Walla District ⓘ |
| material | concrete ⓘ |
| maximumDischarge | approximately 150,000 cubic feet per second ⓘ |
| namedAfter | Henry C. Dworshak ⓘ |
| nearCity | Orofino, Idaho ⓘ |
| numberOfTurbines | 3 ⓘ |
| openingDate | 1973 ⓘ |
| operatedBy |
United States Army Corps of Engineers
ⓘ
linked to:
U.S. Army Corps of Engineers
|
| ownedBy |
United States Army Corps of Engineers
ⓘ
linked to:
U.S. Army Corps of Engineers
|
| partOf |
Columbia River Basin hydropower system
ⓘ
linked to:
Columbia River hydropower system
|
| partOfProgram | U.S. federal flood control projects ⓘ |
| providesService |
downstream flood protection
ⓘ
recreational boating ⓘ sport fishing ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ recreation ⓘ |
| region | Pacific Northwest ⓘ |
| reservoirAlternateName |
Dworshak Lake
ⓘ
linked to:
Dworshak Reservoir
|
| reservoirCapacity | 3,468,000 acre-feet ⓘ |
| reservoirName | Dworshak Reservoir ⓘ |
| riverBasin |
Clearwater River basin
ⓘ
linked to:
Clearwater River
|
| status | operational ⓘ |
| turbineType | Francis turbine ⓘ |
| typeOfDam | straight-axis concrete gravity dam ⓘ |
| watercourseDam | North Fork Clearwater River ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Dworshak Dam Description of subject: Dworshak Dam is a large concrete gravity dam on the North Fork Clearwater River in Idaho, primarily used for hydroelectric power generation, flood control, and recreation.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Dworshak Dam