Lahontan Reservoir (via Carson River)
E648974
Lahontan Reservoir is a large man-made lake in western Nevada that stores and regulates water from the Carson River for irrigation, recreation, and wildlife habitat.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lahontan Reservoir (via Carson River) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7211982 — 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: Lahontan Reservoir (via Carson River) Context triple: [Carson Sink, receivesWaterFrom, Lahontan Reservoir (via Carson River)]
-
A.
East Fork Carson River
The East Fork Carson River is a major tributary of the Carson River in California and Nevada, known for its scenic alpine headwaters, whitewater recreation, and importance to the hydrology of Carson Valley.
-
B.
Arrow Lakes reservoir
Arrow Lakes reservoir is a large hydroelectric and flood-control reservoir on the Columbia River in British Columbia, Canada, created by dams built under the Columbia River Treaty.
-
C.
West Basin of Ashokan Reservoir
The West Basin of Ashokan Reservoir is the western section of the Ashokan Reservoir in New York’s Catskill Mountains, serving as part of a major water supply system for New York City.
-
D.
Pepacton Reservoir
Pepacton Reservoir is a large man-made lake in the Catskill Mountains of New York that serves as a major component of New York City's drinking water supply system.
-
E.
La Mesa Reservoir
La Mesa Reservoir is a major water storage facility in the Philippines that supplies potable water to Metro Manila and is located within the protected La Mesa Watershed.
- 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: Lahontan Reservoir (via Carson River) Target entity description: Lahontan Reservoir is a large man-made lake in western Nevada that stores and regulates water from the Carson River for irrigation, recreation, and wildlife habitat.
-
A.
East Fork Carson River
The East Fork Carson River is a major tributary of the Carson River in California and Nevada, known for its scenic alpine headwaters, whitewater recreation, and importance to the hydrology of Carson Valley.
-
B.
Arrow Lakes reservoir
Arrow Lakes reservoir is a large hydroelectric and flood-control reservoir on the Columbia River in British Columbia, Canada, created by dams built under the Columbia River Treaty.
-
C.
West Basin of Ashokan Reservoir
The West Basin of Ashokan Reservoir is the western section of the Ashokan Reservoir in New York’s Catskill Mountains, serving as part of a major water supply system for New York City.
-
D.
Pepacton Reservoir
Pepacton Reservoir is a large man-made lake in the Catskill Mountains of New York that serves as a major component of New York City's drinking water supply system.
-
E.
La Mesa Reservoir
La Mesa Reservoir is a major water storage facility in the Philippines that supplies potable water to Metro Manila and is located within the protected La Mesa Watershed.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| adjacentTo | Lahontan State Recreation Area NERFINISHED ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| constructionCompleted | early 20th century ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createdBy | Lahontan Dam NERFINISHED ⓘ |
| ecosystemService |
fish habitat
ⓘ
waterfowl habitat ⓘ |
| hasDam | Lahontan Dam NERFINISHED ⓘ |
| hasProtectedAreaStatus | state recreation area (surrounding lands) ⓘ |
| hasRecreationActivity |
personal watercraft use
ⓘ
picnicking ⓘ swimming ⓘ |
| hasRecreationalDesignation | popular local recreation area ⓘ |
| hasWildlife |
migratory birds
ⓘ
warmwater fish species ⓘ waterfowl ⓘ |
| inflow | Carson River NERFINISHED ⓘ |
| isPartOfProject | Newlands Reclamation Project NERFINISHED ⓘ |
| locatedIn |
Churchill County, Nevada
NERFINISHED
ⓘ
Nevada ⓘ western Nevada NERFINISHED ⓘ |
| locatedNear |
Fallon, Nevada
NERFINISHED
ⓘ
Silver Springs, Nevada NERFINISHED ⓘ |
| locatedOnRiver | Carson River NERFINISHED ⓘ |
| managingOrganization |
Truckee-Carson Irrigation District
NERFINISHED
ⓘ
U.S. Bureau of Reclamation NERFINISHED ⓘ |
| namedAfter | Lake Lahontan NERFINISHED ⓘ |
| outflow | Carson River NERFINISHED ⓘ |
| partOf | Carson River watershed NERFINISHED ⓘ |
| purpose |
irrigation water storage
ⓘ
recreation ⓘ water regulation ⓘ wildlife habitat ⓘ |
| region | Great Basin NERFINISHED ⓘ |
| usedFor |
agricultural irrigation
ⓘ
boating ⓘ camping ⓘ fishing ⓘ wildlife viewing ⓘ |
| waterSource | Carson River NERFINISHED ⓘ |
| waterUse | supports irrigated agriculture in the Carson Desert ⓘ |
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: Lahontan Reservoir (via Carson River) Description of subject: Lahontan Reservoir is a large man-made lake in western Nevada that stores and regulates water from the Carson River for irrigation, recreation, and wildlife habitat.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.