Yuba River watershed
E1029949
The Yuba River watershed is the drainage basin in Northern California that collects and channels water from the Sierra Nevada into the Yuba River system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Yuba River watershed canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13080918 — 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: Yuba River watershed Context triple: [Yuba River, partOf, Yuba River watershed]
-
A.
Kings River watershed
The Kings River watershed is the drainage basin in California’s southern Sierra Nevada that collects and channels water from mountain headwaters through the Kings River system to downstream reservoirs, farms, and communities.
-
B.
Yuba River
The Yuba River is a major tributary of the Feather River in Northern California, known for its clear waters, historic gold-mining sites, and popular recreation areas in the Sierra Nevada foothills.
-
C.
San Joaquin River Basin
The San Joaquin River Basin is a major watershed in California’s Central Valley that drains the San Joaquin River and its tributaries, supporting extensive agriculture, ecosystems, and communities.
-
D.
Kern River watershed
The Kern River watershed is the entire land area in California’s southern Sierra Nevada whose surface water drains into the Kern River system, encompassing its tributaries, headwaters, and surrounding catchment.
-
E.
Kaweah River watershed
The Kaweah River watershed is a mountainous drainage basin in California’s southern Sierra Nevada that channels snowmelt and rainfall through steep canyons and forests before flowing into the San Joaquin Valley.
- 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: Yuba River watershed Target entity description: The Yuba River watershed is the drainage basin in Northern California that collects and channels water from the Sierra Nevada into the Yuba River system.
-
A.
Kings River watershed
The Kings River watershed is the drainage basin in California’s southern Sierra Nevada that collects and channels water from mountain headwaters through the Kings River system to downstream reservoirs, farms, and communities.
-
B.
Yuba River
The Yuba River is a major tributary of the Feather River in Northern California, known for its clear waters, historic gold-mining sites, and popular recreation areas in the Sierra Nevada foothills.
-
C.
San Joaquin River Basin
The San Joaquin River Basin is a major watershed in California’s Central Valley that drains the San Joaquin River and its tributaries, supporting extensive agriculture, ecosystems, and communities.
-
D.
Kern River watershed
The Kern River watershed is the entire land area in California’s southern Sierra Nevada whose surface water drains into the Kern River system, encompassing its tributaries, headwaters, and surrounding catchment.
-
E.
Kaweah River watershed
The Kaweah River watershed is a mountainous drainage basin in California’s southern Sierra Nevada that channels snowmelt and rainfall through steep canyons and forests before flowing into the San Joaquin Valley.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
drainage basin
ⓘ
river watershed ⓘ |
| contains |
Camp Far West Reservoir
NERFINISHED
ⓘ
Englebright Lake NERFINISHED ⓘ Jackson Meadows Reservoir NERFINISHED ⓘ Lake Spaulding NERFINISHED ⓘ New Bullards Bar Reservoir NERFINISHED ⓘ Rollins Reservoir NERFINISHED ⓘ Scotts Flat Reservoir NERFINISHED ⓘ South Yuba River State Park NERFINISHED ⓘ Tahoe National Forest NERFINISHED ⓘ Yuba Goldfields NERFINISHED ⓘ parts of Nevada County, California ⓘ parts of Placer County, California ⓘ parts of Sierra County, California ⓘ parts of Sutter County, California ⓘ parts of Yuba County, California ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| drainsInto | Yuba River NERFINISHED ⓘ |
| flowsInto | Feather River NERFINISHED ⓘ |
| hasEcosystem |
Sierra Nevada mixed conifer forest
NERFINISHED
ⓘ
oak woodland ⓘ riparian habitat ⓘ |
| hasIssue |
mercury contamination from historic mining
ⓘ
sediment deposition in lower Yuba River ⓘ |
| hasLandUse |
agriculture
ⓘ
forestry ⓘ mining ⓘ urban development ⓘ |
| hasMajorRiver |
Middle Yuba River
NERFINISHED
ⓘ
North Yuba River NERFINISHED ⓘ South Yuba River NERFINISHED ⓘ |
| hasTributary |
Canyon Creek
NERFINISHED
ⓘ
Deer Creek (Nevada County) NERFINISHED ⓘ Dry Creek (Yuba County) NERFINISHED ⓘ Oregon Creek NERFINISHED ⓘ |
| historicalActivity | California Gold Rush hydraulic mining ⓘ |
| locatedIn |
Northern California
ⓘ
Sierra Nevada NERFINISHED ⓘ |
| managingAgency |
U.S. Army Corps of Engineers
NERFINISHED
ⓘ
U.S. Bureau of Reclamation NERFINISHED ⓘ Yuba Water Agency NERFINISHED ⓘ |
| partOf | Sacramento River watershed NERFINISHED ⓘ |
| primaryOutflow | Yuba River NERFINISHED ⓘ |
| region | Sacramento Valley hydrologic region NERFINISHED ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| supportsActivity |
flood control
ⓘ
hydropower generation ⓘ irrigation supply ⓘ municipal water supply ⓘ recreation ⓘ |
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: Yuba River watershed Description of subject: The Yuba River watershed is the drainage basin in Northern California that collects and channels water from the Sierra Nevada into the Yuba River system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.