Owens Lake
E71549
Owens Lake is a largely dry, saline lake in California’s Eastern Sierra region, known for its dust pollution issues and ongoing environmental restoration efforts.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Owens Lake canonical | 10 |
| Owens Lake basin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T571006 — 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: Owens Lake Context triple: [Owens Valley, contains, Owens Lake]
-
A.
Soda Dry Lake
Soda Dry Lake is a dry lake bed in California’s Mojave Desert, known for its stark salt flats and proximity to the former health resort site of Zzyzx.
-
B.
Ivanpah Dry Lake
Ivanpah Dry Lake is a large, flat, dry lakebed in the Mojave Desert of southeastern California, known for land sailing, off-highway recreation, and its proximity to the Ivanpah Solar Electric Generating System.
-
C.
Salton Sea
The Salton Sea is a large, saline, endorheic lake in the Colorado Desert of Southern California, known for its fluctuating water levels, high salinity, and significant environmental and ecological challenges.
-
D.
Lake Mohave
Lake Mohave is a large reservoir on the Colorado River along the Arizona–Nevada border, popular for boating, fishing, and other water recreation within the Lake Mead National Recreation Area.
-
E.
El Mirage Dry Lake
El Mirage Dry Lake is a dry lakebed in California known for its vast, flat playa used for land-speed racing, off-highway recreation, and film production within the Mojave Desert.
- 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: Owens Lake Target entity description: Owens Lake is a largely dry, saline lake in California’s Eastern Sierra region, known for its dust pollution issues and ongoing environmental restoration efforts.
-
A.
Soda Dry Lake
Soda Dry Lake is a dry lake bed in California’s Mojave Desert, known for its stark salt flats and proximity to the former health resort site of Zzyzx.
-
B.
Ivanpah Dry Lake
Ivanpah Dry Lake is a large, flat, dry lakebed in the Mojave Desert of southeastern California, known for land sailing, off-highway recreation, and its proximity to the Ivanpah Solar Electric Generating System.
-
C.
Salton Sea
The Salton Sea is a large, saline, endorheic lake in the Colorado Desert of Southern California, known for its fluctuating water levels, high salinity, and significant environmental and ecological challenges.
-
D.
Lake Mohave
Lake Mohave is a large reservoir on the Colorado River along the Arizona–Nevada border, popular for boating, fishing, and other water recreation within the Lake Mead National Recreation Area.
-
E.
El Mirage Dry Lake
El Mirage Dry Lake is a dry lakebed in California known for its vast, flat playa used for land-speed racing, off-highway recreation, and film production within the Mojave Desert.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
dry lake
ⓘ
endorheic lake ⓘ saline lake ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| causeOfProblem | severe windblown dust storms ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| elevation |
approximately 1,086 meters above sea level
ⓘ
approximately 3,560 feet above sea level ⓘ |
| environmentalIssue |
loss of aquatic and wetland habitat
ⓘ
violation of federal air quality standards ⓘ |
| geologicalSetting | Basin and Range Province ⓘ |
| historicalEvent | desiccation following completion of the Los Angeles Aqueduct in the early 20th century ⓘ |
| historicalMaximumDepth |
approximately 15 meters
ⓘ
approximately 50 feet ⓘ |
| historicalUse |
site of soda ash and salt extraction
ⓘ
transport of minerals by the Carson and Colorado Railway ⓘ |
| knownFor |
air quality problems
ⓘ
dust pollution ⓘ environmental restoration efforts ⓘ historic desiccation due to water diversions ⓘ large-scale dust mitigation projects ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Inyo County, California ⓘ |
| locatedInDesert | Owens Valley ⓘ |
| locatedInRegion |
Eastern Sierra Nevada
ⓘ
linked to:
Eastern Sierra
|
| locatedNear |
Inyo Mountains
ⓘ
Sierra Nevada ⓘ Town of Lone Pine, California ⓘ
linked to:
Lone Pine, California
Town of Olancha, California ⓘ |
| majorPollutant | particulate matter (PM10) ⓘ |
| managedBy | Los Angeles Department of Water and Power ⓘ |
| nearbyProtectedArea |
Inyo National Forest
ⓘ
Manzanar National Historic Site ⓘ |
| outflow | endorheic (no natural surface outflow) ⓘ |
| partOf |
Los Angeles Aqueduct system watershed
ⓘ
linked to:
Los Angeles Aqueduct
|
| primaryInflow | Owens River ⓘ |
| recognizedAs | important bird habitat in the Pacific Flyway ⓘ |
| regulatedBy |
California Air Resources Board
ⓘ
Great Basin Unified Air Pollution Control District ⓘ |
| restorationGoal |
reduce PM10 emissions
ⓘ
restore wildlife habitat ⓘ |
| restorationMeasure |
gravel and brine coverage for dust control
ⓘ
managed vegetation plantings ⓘ shallow flooding of lakebed areas ⓘ |
| salinity | highly saline ⓘ |
| status | largely dry lakebed ⓘ |
| supports | migratory bird populations ⓘ |
| surfaceCondition | playa with brine pools and shallow ponds ⓘ |
| waterBodyType | saline soda lake ⓘ |
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: Owens Lake Description of subject: Owens Lake is a largely dry, saline lake in California’s Eastern Sierra region, known for its dust pollution issues and ongoing environmental restoration efforts.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Owens Lake
subject linked to:
Town of Olancha, California
subject linked to:
Owens River valley