Klamath River dam removal project
E405782
The Klamath River dam removal project is a large-scale environmental restoration effort to dismantle several hydroelectric dams on the Klamath River to improve fish passage, water quality, and ecosystem health.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Klamath River dam removal project canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4015918 — 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: Klamath River dam removal project Context triple: [Klamath River, subjectOf, Klamath River dam removal project]
-
A.
Klamath Project
The Klamath Project is a major federal water management and irrigation system in southern Oregon and northern California that supplies water to agriculture, wildlife refuges, and communities in the Klamath Basin.
-
B.
San Joaquin River Restoration Program
The San Joaquin River Restoration Program is a long-term environmental initiative aimed at restoring flows, fish populations, and ecosystem health to California’s San Joaquin River while maintaining water supply reliability for agriculture and communities.
-
C.
Columbia Basin Project
The Columbia Basin Project is a large-scale irrigation and hydroelectric development in central Washington State that distributes water and power from the Grand Coulee Dam to support agriculture, industry, and communities across the region.
-
D.
Yakima Project
The Yakima Project is a major federal water management and irrigation system in central Washington State that supplies water for agriculture, municipalities, and fish and wildlife habitat.
-
E.
Oroville Dam
Oroville Dam is a large earthfill embankment dam on the Feather River in Northern California, serving as a key water storage, flood control, and hydroelectric facility.
- 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: Klamath River dam removal project Target entity description: The Klamath River dam removal project is a large-scale environmental restoration effort to dismantle several hydroelectric dams on the Klamath River to improve fish passage, water quality, and ecosystem health.
-
A.
Klamath Project
The Klamath Project is a major federal water management and irrigation system in southern Oregon and northern California that supplies water to agriculture, wildlife refuges, and communities in the Klamath Basin.
-
B.
San Joaquin River Restoration Program
The San Joaquin River Restoration Program is a long-term environmental initiative aimed at restoring flows, fish populations, and ecosystem health to California’s San Joaquin River while maintaining water supply reliability for agriculture and communities.
-
C.
Columbia Basin Project
The Columbia Basin Project is a large-scale irrigation and hydroelectric development in central Washington State that distributes water and power from the Grand Coulee Dam to support agriculture, industry, and communities across the region.
-
D.
Yakima Project
The Yakima Project is a major federal water management and irrigation system in central Washington State that supplies water for agriculture, municipalities, and fish and wildlife habitat.
-
E.
Oroville Dam
Oroville Dam is a large earthfill embankment dam on the Feather River in Northern California, serving as a key water storage, flood control, and hydroelectric facility.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
dam removal project
ⓘ
environmental restoration project ⓘ river restoration project ⓘ |
| affects |
anadromous fish migration
ⓘ
salmon habitat ⓘ tribal fishing rights ⓘ |
| aimsTo |
improve fish passage
ⓘ
improve water quality ⓘ restore ecosystem health ⓘ restore salmon runs ⓘ restore steelhead trout runs ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| environmentalFocus |
native fish recovery
ⓘ
river ecosystem restoration ⓘ water quality improvement ⓘ |
| expectedOutcome |
improved cultural resources for tribes
ⓘ
improved water temperature conditions ⓘ increased access to spawning habitat for salmon ⓘ reconnection of riverine processes ⓘ reduction of toxic algal blooms ⓘ |
| hasComponent |
dam deconstruction
ⓘ
habitat restoration ⓘ reservoir drawdown ⓘ river channel restoration ⓘ sediment management ⓘ |
| includesDam |
Copco No. 1 Dam
NERFINISHED
ⓘ
Copco No. 2 Dam NERFINISHED ⓘ Iron Gate Dam ⓘ J.C. Boyle Dam NERFINISHED ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Klamath River ⓘ Oregon ⓘ |
| primaryPurpose |
ecological restoration
ⓘ
removal of hydroelectric dams ⓘ |
| relatedTo |
Klamath Basin water conflicts
ⓘ
hydropower license surrender ⓘ |
| riverSystem |
Klamath River
ⓘ
surface form:
Klamath River basin
|
| scale | large-scale ⓘ |
| stakeholder |
Karuk people
ⓘ
surface form:
Karuk Tribe
Klamath people ⓘ
surface form:
Klamath River tribes
PacifiCorp ⓘ U.S. federal agencies ⓘ Yurok people ⓘ
surface form:
Yurok Tribe
commercial fishermen ⓘ recreational fishermen ⓘ California, United States ⓘ
surface form:
state of California
Oregon ⓘ
surface form:
state of Oregon
|
| typeOfDamRemoved | hydroelectric dam ⓘ |
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: Klamath River dam removal project Description of subject: The Klamath River dam removal project is a large-scale environmental restoration effort to dismantle several hydroelectric dams on the Klamath River to improve fish passage, water quality, and ecosystem health.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.