Los Angeles County Flood Control District
E367083
The Los Angeles County Flood Control District is a public agency responsible for regional flood protection, stormwater management, and water conservation infrastructure throughout Los Angeles County.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Los Angeles County Flood Control District canonical | 6 |
| Los Angeles County flood control system | 4 |
| Los Angeles County Flood Control Act | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3554013 — 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: Los Angeles County Flood Control District Context triple: [Los Angeles River, managedBy, Los Angeles County Flood Control District]
-
A.
City of Los Angeles Bureau of Engineering
The City of Los Angeles Bureau of Engineering is the city’s lead public works and infrastructure design agency, responsible for planning, designing, and managing major streets, bridges, and other civic facilities.
-
B.
Alameda County Water District
Alameda County Water District is a public water agency in California responsible for providing drinking water and related services to communities in southern Alameda County, including Fremont, Newark, and Union City.
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C.
Los Angeles Department of Water and Power
The Los Angeles Department of Water and Power is the largest municipal utility in the United States, providing water and electricity to the City of Los Angeles and overseeing key regional water resources.
-
D.
Contra Costa Water District
Contra Costa Water District is a public water agency in California that supplies drinking and irrigation water to communities in and around Contra Costa County.
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E.
Valley Water
Valley Water is a picturesque pond located within Brooklyn’s historic Green-Wood Cemetery, known for its tranquil scenery and surrounding monuments.
- 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: Los Angeles County Flood Control District Target entity description: The Los Angeles County Flood Control District is a public agency responsible for regional flood protection, stormwater management, and water conservation infrastructure throughout Los Angeles County.
-
A.
City of Los Angeles Bureau of Engineering
The City of Los Angeles Bureau of Engineering is the city’s lead public works and infrastructure design agency, responsible for planning, designing, and managing major streets, bridges, and other civic facilities.
-
B.
Alameda County Water District
Alameda County Water District is a public water agency in California responsible for providing drinking water and related services to communities in southern Alameda County, including Fremont, Newark, and Union City.
-
C.
Los Angeles Department of Water and Power
The Los Angeles Department of Water and Power is the largest municipal utility in the United States, providing water and electricity to the City of Los Angeles and overseeing key regional water resources.
-
D.
Contra Costa Water District
Contra Costa Water District is a public water agency in California that supplies drinking and irrigation water to communities in and around Contra Costa County.
-
E.
Valley Water
Valley Water is a picturesque pond located within Brooklyn’s historic Green-Wood Cemetery, known for its tranquil scenery and surrounding monuments.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
flood control district
ⓘ
public agency ⓘ special district ⓘ |
| collaboratesWith |
cities within Los Angeles County
ⓘ
environmental organizations ⓘ water agencies in Southern California ⓘ |
| country | United States of America ⓘ |
| foundedBy |
California, United States
ⓘ
surface form:
State of California
|
| goal |
conservation of stormwater resources
ⓘ
enhancement of local water supplies ⓘ protection of life and property from flooding ⓘ protection of water quality ⓘ |
| governingBody | Los Angeles County Board of Supervisors ⓘ |
| implements |
multi-benefit stormwater capture projects
ⓘ
regional watershed management programs ⓘ |
| industry |
flood control
ⓘ
stormwater management ⓘ water management ⓘ |
| jurisdiction | Los Angeles County ⓘ |
| legalBasis |
Los Angeles County Flood Control District
self-linksurface differs
ⓘ
surface form:
Los Angeles County Flood Control Act
|
| locatedIn |
California, United States
ⓘ
surface form:
California
Los Angeles County ⓘ Southern California ⓘ |
| operatedBy |
Los Angeles County Department of Public Works
ⓘ
surface form:
Los Angeles County Public Works
|
| regulates | stormwater runoff within its jurisdiction ⓘ |
| responsibleFor |
debris basins
ⓘ
drainage infrastructure planning ⓘ flood control channels ⓘ flood risk reduction ⓘ maintenance of flood control facilities ⓘ regional flood protection ⓘ spreading grounds ⓘ storm drain systems ⓘ stormwater capture projects ⓘ stormwater management ⓘ water conservation infrastructure ⓘ water conservation programs ⓘ water quality improvement projects ⓘ watershed management planning ⓘ |
| sector | public sector ⓘ |
| serviceArea |
incorporated cities in Los Angeles County
ⓘ
unincorporated areas of Los Angeles County ⓘ |
| usesFundingFrom |
assessments
ⓘ
grants ⓘ property taxes ⓘ |
| website | https://dpw.lacounty.gov (via Los Angeles County Public Works) ⓘ |
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: Los Angeles County Flood Control District Description of subject: The Los Angeles County Flood Control District is a public agency responsible for regional flood protection, stormwater management, and water conservation infrastructure throughout Los Angeles County.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Los Angeles County flood control system
this entity surface form:
Los Angeles County flood control system
this entity surface form:
Los Angeles County flood control system
this entity surface form:
Los Angeles County flood control system
Los Angeles County Flood Control District
→
legalBasis
→
Los Angeles County Flood Control District
self-linksurface differs
ⓘ
this entity surface form:
Los Angeles County Flood Control Act