California Environmental Protection Agency

E39329

environmental protection agency state government agency

The California Environmental Protection Agency is a state government agency responsible for coordinating and enforcing California’s environmental protection, pollution control, and public health regulations.

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All labels observed (5)

Label	Occurrences
California Environmental Protection Agency canonical	37
CalEPA	2
California Environmental Affairs Agency	2
California environmental protection agencies	1
Department of Toxic Substances Control	1

How this entity was disambiguated

This entity first appeared as the object of triple T298898 — 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: California Environmental Protection Agency
Context triple: [California Ocean Protection Council, worksWith, California Environmental Protection Agency]

A. California Natural Resources Agency
The California Natural Resources Agency is a state government entity responsible for conserving, managing, and enhancing California’s natural, historical, and cultural resources through oversight of multiple departments and commissions.
B. California Ocean Protection Council
The California Ocean Protection Council is a state government body that coordinates and guides policy, science, and funding to protect and sustainably manage California’s ocean and coastal resources.
C. California Department of Parks and Recreation
The California Department of Parks and Recreation is the state agency responsible for managing and preserving California’s extensive system of state parks, historic sites, and natural and recreational resources.
D. Government of California
The Government of California is the state’s governing authority, comprising executive, legislative, and judicial branches that administer laws and public policy for the state of California.
E. California Department of General Services
The California Department of General Services is a state agency that provides centralized business, facility, and administrative support services to California’s government departments and agencies.
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: California Environmental Protection Agency
Target entity description: The California Environmental Protection Agency is a state government agency responsible for coordinating and enforcing California’s environmental protection, pollution control, and public health regulations.

A. California Natural Resources Agency
The California Natural Resources Agency is a state government entity responsible for conserving, managing, and enhancing California’s natural, historical, and cultural resources through oversight of multiple departments and commissions.
B. California Ocean Protection Council
The California Ocean Protection Council is a state government body that coordinates and guides policy, science, and funding to protect and sustainably manage California’s ocean and coastal resources.
C. California Department of Parks and Recreation
The California Department of Parks and Recreation is the state agency responsible for managing and preserving California’s extensive system of state parks, historic sites, and natural and recreational resources.
D. Government of California
The Government of California is the state’s governing authority, comprising executive, legislative, and judicial branches that administer laws and public policy for the state of California.
E. California Department of General Services
The California Department of General Services is a state agency that provides centralized business, facility, and administrative support services to California’s government departments and agencies.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	environmental protection agency ⓘ state government agency ⓘ
abbreviation	CalEPA ⓘ linked to: California Environmental Protection Agency
appliesRegulation	California air quality standards ⓘ California environmental laws ⓘ California water quality standards ⓘ hazardous waste regulations in California ⓘ pesticide use regulations in California ⓘ
appliesToJurisdiction	California ⓘ linked to: California, United States
coordinatesWith	United States Environmental Protection Agency ⓘ local air districts in California ⓘ regional water quality control boards in California ⓘ
country	United States ⓘ linked to: United States of America
executiveBody	Governor of California ⓘ
fieldOfWork	air quality management ⓘ environmental health ⓘ environmental protection ⓘ hazardous waste management ⓘ pesticide regulation ⓘ solid waste management ⓘ toxic substances control ⓘ water quality management ⓘ
follows	California Environmental Affairs Agency ⓘ linked to: California Environmental Protection Agency
foundedBy	California State Legislature ⓘ
hasPart	California Air Resources Board ⓘ California Integrated Waste Management Board ⓘ Department of Pesticide Regulation ⓘ Department of Toxic Substances Control ⓘ linked to: California Environmental Protection Agency Office of Environmental Health Hazard Assessment ⓘ State Water Resources Control Board ⓘ linked to: California State Water Resources Control Board
hasRole	coordination of state environmental policy ⓘ enforcement of environmental laws ⓘ environmental regulation ⓘ pollution control ⓘ public health protection ⓘ
headquartersLocation	Sacramento, California ⓘ linked to: Sacramento
inception	1991 ⓘ
jurisdiction	California ⓘ linked to: California, United States State of California ⓘ linked to: California, United States
legislativeBody	California State Legislature ⓘ
locatedInTheAdministrativeTerritorialEntity	Sacramento, California ⓘ linked to: Sacramento
locatedInTimeZone	Pacific Time Zone ⓘ
namedAfter	California ⓘ linked to: California, United States
officialLanguage	English ⓘ
parentOrganization	State of California ⓘ linked to: California, United States
replaces	California Environmental Affairs Agency ⓘ linked to: California Environmental Protection Agency
shortName	CalEPA ⓘ linked to: California Environmental Protection Agency
subdivisionOf	Government of California ⓘ
website	https://calepa.ca.gov ⓘ

How these facts were elicited

Referenced by (43)

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

California Ocean Protection Council → worksWith → California Environmental Protection Agency ⓘ

California State Agencies → include → California Environmental Protection Agency ⓘ

California Environmental Protection Agency → hasPart → Department of Toxic Substances Control ⓘ