Tujunga Wash
E439349
Tujunga Wash is a major flood control channel and seasonal stream in Los Angeles County that drains the San Gabriel Mountains into the Los Angeles River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tujunga Wash canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3554008 — 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: Tujunga Wash Context triple: [Los Angeles River, hasTributary, Tujunga Wash]
-
A.
Tujunga
Tujunga is a neighborhood in the northeastern San Fernando Valley region of Los Angeles, California, known for its foothill setting near the San Gabriel Mountains.
-
B.
Agua Fria River
The Agua Fria River is a seasonal waterway in central Arizona that flows south through desert and riparian habitats before joining the Gila River near Phoenix.
-
C.
Coyote Creek
Coyote Creek is a major stream in Northern California that flows through Santa Clara County, including the city of San Jose, and serves as an important natural waterway and habitat corridor in the region.
-
D.
Coyote Creek
Coyote Creek is a themed western-style area within the Six Flags America amusement park featuring rides, attractions, and frontier-inspired decor.
-
E.
Meadow Valley Wash
Meadow Valley Wash is an intermittent stream and drainage system in southeastern Nevada that channels runoff through arid Lincoln County toward the Muddy River.
- 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: Tujunga Wash Target entity description: Tujunga Wash is a major flood control channel and seasonal stream in Los Angeles County that drains the San Gabriel Mountains into the Los Angeles River.
-
A.
Tujunga
Tujunga is a neighborhood in the northeastern San Fernando Valley region of Los Angeles, California, known for its foothill setting near the San Gabriel Mountains.
-
B.
Agua Fria River
The Agua Fria River is a seasonal waterway in central Arizona that flows south through desert and riparian habitats before joining the Gila River near Phoenix.
-
C.
Coyote Creek
Coyote Creek is a themed western-style area within the Six Flags America amusement park featuring rides, attractions, and frontier-inspired decor.
-
D.
Coyote Creek
Coyote Creek is a major stream in Northern California that flows through Santa Clara County, including the city of San Jose, and serves as an important natural waterway and habitat corridor in the region.
-
E.
Meadow Valley Wash
Meadow Valley Wash is an intermittent stream and drainage system in southeastern Nevada that channels runoff through arid Lincoln County toward the Muddy River.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
flood control channel
ⓘ
river ⓘ seasonal stream ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | San Fernando Valley NERFINISHED ⓘ |
| drainsFrom | San Gabriel Mountains NERFINISHED ⓘ |
| flowsNear |
North Hollywood
NERFINISHED
ⓘ
Pacoima NERFINISHED ⓘ Valley Glen NERFINISHED ⓘ |
| flowsThrough |
Studio City
NERFINISHED
ⓘ
Sun Valley NERFINISHED ⓘ Valley Village NERFINISHED ⓘ |
| flowsUnder |
Interstate 5
NERFINISHED
ⓘ
State Route 170 NERFINISHED ⓘ US Route 101 NERFINISHED ⓘ |
| function |
flood control
ⓘ
recreation corridor (selected segments) ⓘ stormwater conveyance ⓘ |
| hasBridge |
Laurel Canyon Boulevard bridge
NERFINISHED
ⓘ
Riverside Drive bridge NERFINISHED ⓘ Ventura Freeway bridge NERFINISHED ⓘ |
| hasEcosystemRestoration | Tujunga Wash Greenway and Stream Restoration Project NERFINISHED ⓘ |
| hasStructure |
Tujunga Wash Greenway
NERFINISHED
ⓘ
Tujunga Wash Greenway and Stream Restoration Project NERFINISHED ⓘ |
| hasTributary |
Big Tujunga Creek
NERFINISHED
ⓘ
Little Tujunga Creek NERFINISHED ⓘ |
| hydrologicSystem | Mediterranean climate seasonal flow ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
City of Los Angeles NERFINISHED ⓘ Los Angeles County NERFINISHED ⓘ San Fernando Valley NERFINISHED ⓘ |
| managedBy | Los Angeles County Flood Control District NERFINISHED ⓘ |
| managesFloodControlFor | San Fernando Valley NERFINISHED ⓘ |
| mouthLocation |
Los Angeles River
NERFINISHED
ⓘ
Studio City NERFINISHED ⓘ |
| namedAfter | Tujunga NERFINISHED ⓘ |
| partOf |
Los Angeles County flood control system
NERFINISHED
ⓘ
Los Angeles River watershed NERFINISHED ⓘ |
| sourceRegion |
Angeles National Forest
NERFINISHED
ⓘ
San Gabriel Mountains NERFINISHED ⓘ |
| tributaryOf | Los Angeles River NERFINISHED ⓘ |
| typicalCondition |
carries stormwater during winter rains
ⓘ
mostly dry in summer ⓘ |
| watercourseType |
concrete-lined channel (lower reaches)
ⓘ
natural stream (upper reaches) ⓘ |
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: Tujunga Wash Description of subject: Tujunga Wash is a major flood control channel and seasonal stream in Los Angeles County that drains the San Gabriel Mountains into the Los Angeles River.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.