Upper Basin
E709614
The Upper Basin is the portion of the Colorado River Basin encompassing the river’s headwaters and upstream states that are allocated a collective share of the river’s water under U.S. interstate agreements.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Upper Basin canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8067962 — 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: Upper Basin Context triple: [Colorado River Compact, createsDivision, Upper Basin]
-
A.
Main Basin
Main Basin is the central, deep-water portion of Puget Sound that forms the core of its marine ecosystem and shipping waters.
-
B.
Po Basin
The Po Basin is the broad, fertile lowland region of northern Italy drained by the Po River and its tributaries, forming one of the country’s most important agricultural and industrial areas.
-
C.
Mono Basin
Mono Basin is a high-desert watershed in eastern California best known for Mono Lake, its striking tufa formations, and its dramatic Eastern Sierra scenery.
-
D.
Most Basin
The Most Basin is a coal-rich lowland region in northwestern Bohemia, Czech Republic, known for its extensive lignite mining and industrial landscape.
-
E.
Mono River basin
The Mono River basin is a West African watershed spanning parts of Togo and Benin, known for its role in regional agriculture, hydropower, and biodiversity.
- 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: Upper Basin Target entity description: The Upper Basin is the portion of the Colorado River Basin encompassing the river’s headwaters and upstream states that are allocated a collective share of the river’s water under U.S. interstate agreements.
-
A.
Main Basin
Main Basin is the central, deep-water portion of Puget Sound that forms the core of its marine ecosystem and shipping waters.
-
B.
Po Basin
The Po Basin is the broad, fertile lowland region of northern Italy drained by the Po River and its tributaries, forming one of the country’s most important agricultural and industrial areas.
-
C.
Mono Basin
Mono Basin is a high-desert watershed in eastern California best known for Mono Lake, its striking tufa formations, and its dramatic Eastern Sierra scenery.
-
D.
Most Basin
The Most Basin is a coal-rich lowland region in northwestern Bohemia, Czech Republic, known for its extensive lignite mining and industrial landscape.
-
E.
Mono River basin
The Mono River basin is a West African watershed spanning parts of Togo and Benin, known for its role in regional agriculture, hydropower, and biodiversity.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
portion of Colorado River Basin
ⓘ
region ⓘ |
| administeredBy | Upper Colorado River Commission NERFINISHED ⓘ |
| allocatedCollectiveWaterShareUnder |
Colorado River Compact of 1922
NERFINISHED
ⓘ
Upper Colorado River Basin Compact of 1948 NERFINISHED ⓘ |
| borderedByState | Arizona NERFINISHED ⓘ |
| containsMajorReservoir |
Blue Mesa Reservoir
NERFINISHED
ⓘ
Flaming Gorge Reservoir NERFINISHED ⓘ Navajo Reservoir NERFINISHED ⓘ |
| definedByAgreement |
Colorado River Compact of 1922
NERFINISHED
ⓘ
Upper Colorado River Basin Compact of 1948 NERFINISHED ⓘ |
| facesIssue |
climate change impacts
ⓘ
drought ⓘ water scarcity ⓘ |
| governedBy | Law of the River NERFINISHED ⓘ |
| hasClimateCharacteristic |
semi-arid
ⓘ
snowmelt-driven hydrology ⓘ |
| hasHeadwatersOf | Colorado River NERFINISHED ⓘ |
| hasLegalConcept | collective apportionment of Colorado River water ⓘ |
| hasMajorTributary |
Dolores River
NERFINISHED
ⓘ
Green River NERFINISHED ⓘ Gunnison River NERFINISHED ⓘ San Juan River NERFINISHED ⓘ Yampa River NERFINISHED ⓘ |
| hasObligationToDeliverWaterTo | Lower Basin ⓘ |
| includesState |
Colorado
NERFINISHED
ⓘ
New Mexico NERFINISHED ⓘ Utah NERFINISHED ⓘ Wyoming NERFINISHED ⓘ |
| locatedInCountry |
United States of America
ⓘ
surface form:
United States
|
| locatedInRegion |
American West
NERFINISHED
ⓘ
Colorado Plateau NERFINISHED ⓘ Rocky Mountains NERFINISHED ⓘ |
| partOf | Colorado River Basin NERFINISHED ⓘ |
| primarySourceOfFlowFor | Colorado River mainstem ⓘ |
| sharesRiverWith | Lower Basin ⓘ |
| subjectTo |
federal reclamation law
ⓘ
interstate water compacts ⓘ |
| supportsSector |
environmental flows
ⓘ
irrigated agriculture ⓘ municipal water supply ⓘ recreation ⓘ |
| upstreamOf | Lake Powell NERFINISHED ⓘ |
| waterRightsSystem | prior appropriation doctrine ⓘ |
| waterUseDominatedBy | agriculture ⓘ |
| waterUseIncludes |
hydropower generation
ⓘ
industrial use ⓘ municipal supply ⓘ |
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: Upper Basin Description of subject: The Upper Basin is the portion of the Colorado River Basin encompassing the river’s headwaters and upstream states that are allocated a collective share of the river’s water under U.S. interstate agreements.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.