California Regional Water Quality Control Board

E662052

environmental regulatory agency government organization state agency

The California Regional Water Quality Control Board is a state agency responsible for protecting and regulating water quality in specific regions of California through planning, permitting, monitoring, and enforcement actions.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (3)

Label	Occurrences
California Regional Water Quality Control Boards	4
California Regional Water Quality Control Board canonical	3
California Water Boards	1

How this entity was disambiguated

This entity first appeared as the object of triple T7412042 — 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 Regional Water Quality Control Board
Context triple: [New River, regulatesBy, California Regional Water Quality Control Board]

A. California State Water Resources Control Board
The California State Water Resources Control Board is a state agency responsible for safeguarding water quality and managing the allocation and use of California’s water resources.
B. San Francisco Bay Regional Water Quality Control Board
The San Francisco Bay Regional Water Quality Control Board is a regional agency responsible for protecting and regulating water quality in the San Francisco Bay Area under California’s statewide water governance system.
C. Central Valley Regional Water Quality Control Board
The Central Valley Regional Water Quality Control Board is a California state agency responsible for protecting and regulating water quality in the Central Valley region’s surface and groundwater resources.
D. Los Angeles Regional Water Quality Control Board
The Los Angeles Regional Water Quality Control Board is a regional environmental regulatory agency responsible for protecting and improving water quality in the Los Angeles area under California’s statewide water governance system.
E. Santa Ana Regional Water Quality Control Board
The Santa Ana Regional Water Quality Control Board is a regional agency in California responsible for protecting and regulating water quality within the Santa Ana River watershed and surrounding areas.
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 Regional Water Quality Control Board
Target entity description: The California Regional Water Quality Control Board is a state agency responsible for protecting and regulating water quality in specific regions of California through planning, permitting, monitoring, and enforcement actions.

A. California State Water Resources Control Board
The California State Water Resources Control Board is a state agency responsible for safeguarding water quality and managing the allocation and use of California’s water resources.
B. San Francisco Bay Regional Water Quality Control Board
The San Francisco Bay Regional Water Quality Control Board is a regional agency responsible for protecting and regulating water quality in the San Francisco Bay Area under California’s statewide water governance system.
C. Central Valley Regional Water Quality Control Board
The Central Valley Regional Water Quality Control Board is a California state agency responsible for protecting and regulating water quality in the Central Valley region’s surface and groundwater resources.
D. Los Angeles Regional Water Quality Control Board
The Los Angeles Regional Water Quality Control Board is a regional environmental regulatory agency responsible for protecting and improving water quality in the Los Angeles area under California’s statewide water governance system.
E. Santa Ana Regional Water Quality Control Board
The Santa Ana Regional Water Quality Control Board is a regional agency in California responsible for protecting and regulating water quality within the Santa Ana River watershed and surrounding areas.
F. None of above. chosen

Statements (50)

Predicate	Object
instanceOf	environmental regulatory agency ⓘ government organization ⓘ state agency ⓘ
activity	enforcement ⓘ permitting ⓘ water quality monitoring ⓘ water quality planning ⓘ
canImpose	administrative civil liabilities ⓘ cleanup and abatement orders ⓘ
collaboratesWith	California State Water Resources Control Board ⓘ federal environmental agencies ⓘ local governments in California ⓘ
country	United States ⓘ linked to: United States of America
develops	Total Maximum Daily Loads ⓘ basin plans ⓘ
enforces	federal Clean Water Act requirements within California ⓘ state water quality standards ⓘ
goal	protection of beneficial uses of water ⓘ restoration of impaired water bodies ⓘ
hasPart	Central Coast Regional Water Quality Control Board ⓘ Central Valley Regional Water Quality Control Board ⓘ Colorado River Basin Regional Water Quality Control Board ⓘ Lahontan Regional Water Quality Control Board ⓘ Los Angeles Regional Water Quality Control Board ⓘ North Coast Regional Water Quality Control Board ⓘ San Diego Regional Water Quality Control Board ⓘ San Francisco Bay Regional Water Quality Control Board ⓘ Santa Ana Regional Water Quality Control Board ⓘ
issues	National Pollutant Discharge Elimination System permits ⓘ linked to: National Pollutant Discharge Elimination System waste discharge requirements ⓘ
jurisdiction	State of California ⓘ linked to: California, United States
legalAuthority	California Water Code ⓘ Porter-Cologne Water Quality Control Act ⓘ
monitors	groundwater quality ⓘ surface water quality ⓘ
numberOfRegionalBoards	9 ⓘ
parentOrganization	California Environmental Protection Agency ⓘ
partOf	California Water Boards ⓘ linked to: California State Water Resources Control Board California Water Resources Control Board system ⓘ
primaryResponsibility	protection of water quality ⓘ regulation of surface water and groundwater quality ⓘ
regulates	confined animal facility discharges ⓘ discharges of waste to waters of the state ⓘ industrial wastewater discharges ⓘ municipal wastewater discharges ⓘ nonpoint source pollution ⓘ point source discharges ⓘ stormwater discharges ⓘ
sector	environmental protection ⓘ water resources management ⓘ

How these facts were elicited

Referenced by (8)

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

New River → regulatesBy → California Regional Water Quality Control Board ⓘ

California water quality standards → regulatedBy → California Regional Water Quality Control Boards ⓘ