Los Angeles Department of Water and Power

E71553

government agency municipal utility public utility

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.

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All labels observed (6)

Label	Occurrences
Los Angeles Department of Water and Power canonical	24
LADWP	1
Los Angeles Board of Water and Power Commissioners	1
Los Angeles City Water Company	1
Los Angeles Department of Water and Power (project partner)	1
Los Angeles Department of Water and Power system	1

How this entity was disambiguated

This entity first appeared as the object of triple T571030 — 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 Department of Water and Power
Context triple: [Owens Valley, managedBy, Los Angeles Department of Water and Power]

A. Portland Water Bureau
The Portland Water Bureau is the municipal agency responsible for providing and managing the drinking water supply and related water services for the city of Portland, Oregon.
B. Los Angeles Department of Parks and Recreation
The Los Angeles Department of Parks and Recreation is the municipal agency responsible for managing and maintaining the city’s public parks, recreational facilities, and open spaces.
C. California Department of Water Resources
The California Department of Water Resources is a state agency responsible for managing California’s water resources, including planning, conservation, flood control, and operation of major water infrastructure.
D. District of Columbia Water and Sewer Authority
The District of Columbia Water and Sewer Authority is the public utility responsible for providing drinking water and wastewater services to Washington, D.C. and parts of the surrounding region.
E. Los Angeles County Metropolitan Transportation Authority
The Los Angeles County Metropolitan Transportation Authority is the primary public transit agency for Los Angeles County, operating and overseeing the region’s bus and rail systems.
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 Department of Water and Power
Target entity description: 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.

A. Portland Water Bureau
The Portland Water Bureau is the municipal agency responsible for providing and managing the drinking water supply and related water services for the city of Portland, Oregon.
B. Los Angeles Department of Parks and Recreation
The Los Angeles Department of Parks and Recreation is the municipal agency responsible for managing and maintaining the city’s public parks, recreational facilities, and open spaces.
C. California Department of Water Resources
The California Department of Water Resources is a state agency responsible for managing California’s water resources, including planning, conservation, flood control, and operation of major water infrastructure.
D. District of Columbia Water and Sewer Authority
The District of Columbia Water and Sewer Authority is the public utility responsible for providing drinking water and wastewater services to Washington, D.C. and parts of the surrounding region.
E. Los Angeles County Metropolitan Transportation Authority
The Los Angeles County Metropolitan Transportation Authority is the primary public transit agency for Los Angeles County, operating and overseeing the region’s bus and rail systems.
F. None of above. chosen

Statements (50)

Predicate	Object
instanceOf	government agency ⓘ municipal utility ⓘ public utility ⓘ
abbreviation	Los Angeles Department of Water and Power self-linksurface differs ⓘ surface form: LADWP
country	United States of America ⓘ surface form: United States
employs	engineers ⓘ lineworkers ⓘ utility workers ⓘ water system operators ⓘ
foundedBy	Los Angeles ⓘ surface form: City of Los Angeles
governedBy	Los Angeles Department of Water and Power self-linksurface differs ⓘ surface form: Los Angeles Board of Water and Power Commissioners
hasDivision	Power System ⓘ Water System ⓘ
headquartersLocation	111 North Hope Street, Los Angeles ⓘ Downtown Los Angeles ⓘ
implementsPolicy	energy efficiency programs ⓘ renewable energy procurement ⓘ water conservation programs ⓘ
industry	electric power industry ⓘ water supply industry ⓘ
isLargest	largest municipal utility in the United States ⓘ
jurisdiction	Los Angeles ⓘ surface form: City of Los Angeles
locatedIn	California, United States ⓘ surface form: California Los Angeles ⓘ
manages	Los Angeles Aqueduct ⓘ Mono Basin water exports ⓘ Owens Valley water exports ⓘ
memberOf	American Public Power Association ⓘ Association of California Water Agencies ⓘ
operatedBy	Los Angeles ⓘ surface form: City of Los Angeles
oversees	regional water resources ⓘ
ownedBy	Los Angeles ⓘ surface form: City of Los Angeles
ownedInfrastructure	distribution substations ⓘ hydroelectric power plants ⓘ water treatment plants ⓘ
parentOrganization	Government of the City of Los Angeles ⓘ surface form: City of Los Angeles government
predecessor	Los Angeles Department of Water and Power self-linksurface differs ⓘ surface form: Los Angeles City Water Company
providesService	drinking water ⓘ electric power ⓘ power distribution ⓘ water distribution ⓘ
regionServed	Greater Los Angeles Area ⓘ surface form: Los Angeles metropolitan area
regulatedBy	California Energy Commission ⓘ California State Water Resources Control Board ⓘ Federal Energy Regulatory Commission ⓘ
serves	Los Angeles ⓘ surface form: City of Los Angeles
subjectOf	Mono Lake water rights litigation ⓘ environmental controversies in Owens Valley ⓘ
usesResource	Colorado River water ⓘ State Water Project supplies ⓘ

How these facts were elicited

Referenced by (29)

Full triples — surface form annotated when it differs from this entity's canonical label.

Owens Valley → managedBy → Los Angeles Department of Water and Power ⓘ

Hollywood Reservoir → managedBy → Los Angeles Department of Water and Power ⓘ

Government of the City of Los Angeles → hasAgency → Los Angeles Department of Water and Power ⓘ

Owens River → divertedBy → Los Angeles Department of Water and Power ⓘ

Owens Lake → managedBy → Los Angeles Department of Water and Power ⓘ

Owens Valley water wars → mainParticipant → Los Angeles Department of Water and Power ⓘ

Los Angeles Department of Water and Power → abbreviation → Los Angeles Department of Water and Power self-linksurface differs ⓘ

this entity surface form: LADWP

Los Angeles Department of Water and Power → governedBy → Los Angeles Department of Water and Power self-linksurface differs ⓘ

this entity surface form: Los Angeles Board of Water and Power Commissioners

Los Angeles Department of Water and Power → predecessor → Los Angeles Department of Water and Power self-linksurface differs ⓘ

this entity surface form: Los Angeles City Water Company

Los Angeles Aqueduct → owner → Los Angeles Department of Water and Power ⓘ

Los Angeles Aqueduct → operator → Los Angeles Department of Water and Power ⓘ

Hollywood Dam → ownedBy → Los Angeles Department of Water and Power ⓘ

Hollywood Dam → maintainedBy → Los Angeles Department of Water and Power ⓘ

Silver Lake Reservoir → partOf → Los Angeles Department of Water and Power ⓘ

this entity surface form: Los Angeles Department of Water and Power system

Silver Lake Reservoir → operator → Los Angeles Department of Water and Power ⓘ

Crowley Lake → operator → Los Angeles Department of Water and Power ⓘ

California electrical grid → majorUtility → Los Angeles Department of Water and Power ⓘ

Lower Owens River → managedBy → Los Angeles Department of Water and Power ⓘ

William Mulholland → employer → Los Angeles Department of Water and Power ⓘ

Lower Owens River Project → relatedTo → Los Angeles Department of Water and Power ⓘ

Lower Owens River Project → managingEntity → Los Angeles Department of Water and Power ⓘ

this entity surface form: Los Angeles Department of Water and Power (project partner)

Lee Vining Creek → waterManagementAuthority → Los Angeles Department of Water and Power ⓘ

City of Los Angeles Bureau of Engineering → collaboratesWith → Los Angeles Department of Water and Power ⓘ

Mono Lake water rights litigation → involvesParty → Los Angeles Department of Water and Power ⓘ

Mono Lake water rights litigation → opposingParty → Los Angeles Department of Water and Power ⓘ

Rush Creek → associatedWith → Los Angeles Department of Water and Power ⓘ

Greater Los Angeles hydrologic system → operatedBy → Los Angeles Department of Water and Power ⓘ

Los Angeles Department of Water and Power Building → occupant → Los Angeles Department of Water and Power ⓘ

Los Angeles Department of Water and Power Building → ownedBy → Los Angeles Department of Water and Power ⓘ

All labels observed (6)

How this entity was disambiguated Show

Statements (50)

How these facts were elicited Show

Referenced by (29)

How this entity was disambiguated

How these facts were elicited