San Diego Regional Water Quality Control Board
E641481
The San Diego Regional Water Quality Control Board is a regional agency responsible for protecting and regulating water quality in the San Diego area under California’s statewide water governance system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| San Diego Regional Water Quality Control Board canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7053836 — 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: San Diego Regional Water Quality Control Board Context triple: [California State Water Resources Control Board, subdivision, San Diego Regional Water Quality Control Board]
-
A.
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.
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B.
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.
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C.
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.
-
D.
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.
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E.
San Diego River Conservancy
The San Diego River Conservancy is a state-established public agency dedicated to protecting, restoring, and enhancing the San Diego River and its surrounding watershed for environmental, recreational, and community benefits.
- 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: San Diego Regional Water Quality Control Board Target entity description: The San Diego Regional Water Quality Control Board is a regional agency responsible for protecting and regulating water quality in the San Diego area under California’s statewide water governance system.
-
A.
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.
-
B.
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.
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C.
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.
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D.
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.
-
E.
San Diego River Conservancy
The San Diego River Conservancy is a state-established public agency dedicated to protecting, restoring, and enhancing the San Diego River and its surrounding watershed for environmental, recreational, and community benefits.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
California state agency
ⓘ
government agency ⓘ regional water quality control board ⓘ regulatory agency ⓘ |
| appliesRegulation |
Clean Water Act (federal)
NERFINISHED
ⓘ
Porter-Cologne Water Quality Control Act NERFINISHED ⓘ |
| boardMembersAppointedBy | Governor of California ⓘ |
| collaboratesWith |
federal environmental agencies
ⓘ
local governments in the San Diego Region ⓘ non-governmental organizations ⓘ tribal governments ⓘ |
| conducts |
compliance inspections
ⓘ
water quality monitoring ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| enforces |
stormwater permits
ⓘ
waste discharge requirements ⓘ water quality standards ⓘ |
| focusesOn |
protection of bays and estuaries
ⓘ
protection of coastal waters ⓘ protection of groundwater basins ⓘ protection of rivers and streams ⓘ |
| governs |
groundwater quality
ⓘ
surface water quality ⓘ |
| hasBoard | seven-member regional board ⓘ |
| headquartersLocation | San Diego, California NERFINISHED ⓘ |
| holds | public hearings ⓘ |
| issues |
National Pollutant Discharge Elimination System permits
NERFINISHED
ⓘ
waste discharge requirements ⓘ |
| jurisdiction |
San Diego County
NERFINISHED
ⓘ
San Diego Region NERFINISHED ⓘ southern Orange County, California NERFINISHED ⓘ southwestern Riverside County, California NERFINISHED ⓘ |
| mission | to protect and restore the quality of waters in the San Diego Region ⓘ |
| oversees |
cleanup of contaminated sites
ⓘ
cleanup of impaired water bodies ⓘ |
| parentOrganization | State Water Resources Control Board NERFINISHED ⓘ |
| partOf |
California Environmental Protection Agency
NERFINISHED
ⓘ
California Water Boards NERFINISHED ⓘ |
| publishes | basin plans for water quality control ⓘ |
| regulates |
construction stormwater discharges
ⓘ
desalination facility discharges ⓘ industrial stormwater discharges ⓘ land disposal of waste ⓘ municipal stormwater discharges ⓘ recycled water projects ⓘ wastewater treatment plant discharges ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| subjectTo | California open meeting laws ⓘ |
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: San Diego Regional Water Quality Control Board Description of subject: The San Diego Regional Water Quality Control Board is a regional agency responsible for protecting and regulating water quality in the San Diego area under California’s statewide water governance system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
California State Water Resources Control Board
→
subdivision
→
San Diego Regional Water Quality Control Board
ⓘ