Alameda County Water District
E328905
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Alameda County Water District canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3135893 — 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: Alameda County Water District Context triple: [South Bay Aqueduct, suppliesWaterTo, Alameda County Water District]
-
A.
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.
-
B.
Valley Water
Valley Water is a picturesque pond located within Brooklyn’s historic Green-Wood Cemetery, known for its tranquil scenery and surrounding monuments.
-
C.
Mojave Water Agency
The Mojave Water Agency is a regional water management and planning agency in Southern California responsible for securing, conserving, and overseeing water resources for communities in the Mojave Desert region.
-
D.
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.
-
E.
Tehama-Colusa Canal Authority
The Tehama-Colusa Canal Authority is a regional water management agency in California responsible for operating and maintaining the Tehama-Colusa Canal to deliver irrigation water to participating districts.
- 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: Alameda County Water District Target entity description: 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.
-
A.
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.
-
B.
Valley Water
Valley Water is a picturesque pond located within Brooklyn’s historic Green-Wood Cemetery, known for its tranquil scenery and surrounding monuments.
-
C.
Mojave Water Agency
The Mojave Water Agency is a regional water management and planning agency in Southern California responsible for securing, conserving, and overseeing water resources for communities in the Mojave Desert region.
-
D.
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.
-
E.
Tehama-Colusa Canal Authority
The Tehama-Colusa Canal Authority is a regional water management agency in California responsible for operating and maintaining the Tehama-Colusa Canal to deliver irrigation water to participating districts.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
public water agency
ⓘ
special district ⓘ water utility ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| county | Alameda County ⓘ |
| fundingSource |
connection fees
ⓘ
service charges ⓘ water rates ⓘ |
| governedBy | board of directors ⓘ |
| hasCustomerType |
commercial customers
ⓘ
industrial customers ⓘ institutional customers ⓘ residential customers ⓘ |
| hasPrimaryProduct | potable water ⓘ |
| hasServiceType | retail water service ⓘ |
| industry |
drinking water supply
ⓘ
water distribution ⓘ water treatment ⓘ |
| jurisdiction |
Fremont, California
ⓘ
linked to:
Fremont
Newark, California ⓘ Union City, California ⓘ |
| locatedIn |
Alameda County, California
ⓘ
linked to:
Alameda County
San Francisco Bay Area ⓘ |
| mission | to provide a safe and reliable water supply to its service area ⓘ |
| provides |
customer water service connections
ⓘ
drinking water ⓘ water distribution services ⓘ water treatment services ⓘ |
| regionServed |
East Bay
ⓘ
San Francisco Bay Area ⓘ |
| regulates | drinking water quality within its service area ⓘ |
| regulatoryEnvironment |
California water law
ⓘ
U.S. Safe Drinking Water Act ⓘ
linked to:
Safe Drinking Water Act
|
| responsibleFor |
ensuring reliable water supply
ⓘ
maintaining water distribution infrastructure ⓘ meeting federal drinking water standards ⓘ meeting state drinking water standards ⓘ |
| sector | public ⓘ |
| serves |
City of Fremont
ⓘ
linked to:
Fremont
City of Newark ⓘ
linked to:
Newark
City of Union City ⓘ
linked to:
Union City
|
| serviceArea | southern Alameda County ⓘ |
| serviceCategory | essential public service ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
| typeOfOrganization | local government agency ⓘ |
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: Alameda County Water District Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.