Eastern Snake River Plain Aquifer
E734614
The Eastern Snake River Plain Aquifer is a vast, basalt-rock groundwater system in southern Idaho that serves as one of the largest and most important sources of irrigation and drinking water in the region.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Snake River Aquifer | 2 |
| Eastern Snake River Plain Aquifer canonical | 1 |
| Eastern Snake River Plain aquifer | 1 |
| Snake River Aquifer system | 1 |
| Snake River Plain Aquifer | 1 |
| Snake River Plain aquifer | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8444842 — 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: Eastern Snake River Plain Aquifer Context triple: [Snake River Plain, hasAquifer, Eastern Snake River Plain Aquifer]
-
A.
Ogallala Aquifer
The Ogallala Aquifer is one of the world’s largest underground freshwater reservoirs, supplying crucial irrigation and drinking water across much of the central United States.
-
B.
Springfield Plateau aquifer
The Springfield Plateau aquifer is a groundwater-bearing geologic formation in the Ozark region that supplies water to springs, wells, and streams across parts of Missouri and neighboring states.
-
C.
Snake River Plain
The Snake River Plain is a broad, arc-shaped volcanic and sedimentary lowland in southern Idaho, formed by the movement of the North American Plate over the Yellowstone hotspot and now a major agricultural and geological region.
-
D.
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.
-
E.
Murray Irrigation Area
The Murray Irrigation Area is a major agricultural irrigation district in the Riverina region of New South Wales, Australia, known for its extensive network of channels supplying water to broadacre farms.
- 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: Eastern Snake River Plain Aquifer Target entity description: The Eastern Snake River Plain Aquifer is a vast, basalt-rock groundwater system in southern Idaho that serves as one of the largest and most important sources of irrigation and drinking water in the region.
-
A.
Ogallala Aquifer
The Ogallala Aquifer is one of the world’s largest underground freshwater reservoirs, supplying crucial irrigation and drinking water across much of the central United States.
-
B.
Springfield Plateau aquifer
The Springfield Plateau aquifer is a groundwater-bearing geologic formation in the Ozark region that supplies water to springs, wells, and streams across parts of Missouri and neighboring states.
-
C.
Snake River Plain
The Snake River Plain is a broad, arc-shaped volcanic and sedimentary lowland in southern Idaho, formed by the movement of the North American Plate over the Yellowstone hotspot and now a major agricultural and geological region.
-
D.
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.
-
E.
Murray Irrigation Area
The Murray Irrigation Area is a major agricultural irrigation district in the Riverina region of New South Wales, Australia, known for its extensive network of channels supplying water to broadacre farms.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | aquifer ⓘ |
| aquiferMaterial |
fractured basalt flows
ⓘ
interbedded sediments ⓘ |
| associatedRiver | Snake River ⓘ |
| associatedWithFacility |
Idaho National Laboratory site
ⓘ
linked to:
Idaho National Engineering Laboratory
|
| continent | North America ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| dischargeTo |
Snake River
ⓘ
springs along Snake River Canyon ⓘ |
| flowCharacteristic | highly transmissive due to fractured basalt ⓘ |
| geologicSetting | basaltic plain aquifer ⓘ |
| governingBody | Idaho Department of Water Resources ⓘ |
| hasUseConflict | surface water users on Snake River ⓘ |
| hydrogeologicType |
confined aquifer (locally)
ⓘ
unconfined aquifer ⓘ |
| importance |
one of the largest aquifers in the United States by volume of water
ⓘ
primary groundwater source for eastern and south‑central Idaho ⓘ |
| locatedIn |
Eastern Snake River Plain
ⓘ
linked to:
Snake River Plain
Snake River Plain ⓘ southern Idaho ⓘ |
| monitoredBy | groundwater monitoring wells network ⓘ |
| notableSpringArea |
American Falls reach of Snake River
ⓘ
linked to:
American Falls, Idaho
Thousand Springs area ⓘ |
| primaryRockType | basalt ⓘ |
| rechargeSource |
Snake River
ⓘ
canal seepage ⓘ irrigation return flow ⓘ precipitation and snowmelt ⓘ tributary streams ⓘ |
| region | Intermountain West ⓘ |
| relatedIssue |
groundwater level declines in some areas
ⓘ
groundwater–surface water interaction management ⓘ |
| servesRegion |
eastern Idaho
ⓘ
south‑central Idaho ⓘ
linked to:
south-central Idaho
|
| studiedBy |
Idaho National Laboratory
ⓘ
linked to:
Idaho National Engineering Laboratory
United States Geological Survey ⓘ |
| supportsActivity |
agriculture
ⓘ
dairy industry ⓘ municipal water supply ⓘ |
| supportsEcosystem | spring‑fed aquatic habitats along Snake River Canyon ⓘ |
| vulnerability | vulnerable to contamination from surface activities ⓘ |
| waterQualityConcern |
legacy industrial and research contaminants near Idaho National Laboratory
ⓘ
nitrate contamination in some areas ⓘ |
| waterUse |
drinking water supply
ⓘ
industrial water supply ⓘ irrigation ⓘ |
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: Eastern Snake River Plain Aquifer Description of subject: The Eastern Snake River Plain Aquifer is a vast, basalt-rock groundwater system in southern Idaho that serves as one of the largest and most important sources of irrigation and drinking water in the region.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Big Lost River (part)
linked to: Eastern Snake River Plain Aquifer
subject linked to:
Big Lost River (part)
linked to: Eastern Snake River Plain Aquifer
subject linked to:
Big Lost River (part)
linked to: Eastern Snake River Plain Aquifer
linked to: Eastern Snake River Plain Aquifer
linked to: Eastern Snake River Plain Aquifer
linked to: Eastern Snake River Plain Aquifer