East Bay Municipal Utility District
E475111
East Bay Municipal Utility District is a public water and wastewater agency serving the San Francisco Bay Area’s East Bay communities.
All labels observed (3)
| Label | Occurrences |
|---|---|
| East Bay Municipal Utility District canonical | 24 |
| East Bay Municipal Utility District water system | 2 |
| East Bay MUD | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4856409 — 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: East Bay Municipal Utility District Context triple: [Mokelumne River area, managedBy, East Bay Municipal Utility 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.
San Francisco Public Utilities Commission
The San Francisco Public Utilities Commission is the city agency responsible for providing and managing essential services such as water, power, and wastewater for San Francisco and surrounding communities.
-
C.
Alameda County Water District
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.
-
D.
Santa Clara Valley Water District
Santa Clara Valley Water District is the public agency responsible for managing water supply, flood protection, and stream stewardship for Santa Clara County in California’s Silicon Valley.
-
E.
Los Angeles Department of Water and Power
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.
- 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: East Bay Municipal Utility District Target entity description: East Bay Municipal Utility District is a public water and wastewater agency serving the San Francisco Bay Area’s East Bay communities.
-
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.
San Francisco Public Utilities Commission
The San Francisco Public Utilities Commission is the city agency responsible for providing and managing essential services such as water, power, and wastewater for San Francisco and surrounding communities.
-
C.
Alameda County Water District
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.
-
D.
Santa Clara Valley Water District
Santa Clara Valley Water District is the public agency responsible for managing water supply, flood protection, and stream stewardship for Santa Clara County in California’s Silicon Valley.
-
E.
Los Angeles Department of Water and Power
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.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
public agency
ⓘ
public utility ⓘ special district ⓘ wastewater utility ⓘ water utility ⓘ |
| alsoKnownAs |
EBMUD
ⓘ
East Bay MUD ⓘ
linked to:
East Bay Municipal Utility District
|
| boardMembersCount | 7 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| focusesOn |
environmental protection
ⓘ
public health protection ⓘ reliable water supply ⓘ |
| founded | 1923 ⓘ |
| governanceType | elected board of directors ⓘ |
| hasService |
customer billing for water and wastewater
ⓘ
environmental stewardship programs ⓘ water quality monitoring ⓘ |
| headquartersLocation |
Oakland, California
ⓘ
linked to:
Oakland
|
| implementsProgram |
drought management measures
ⓘ
water conservation incentives ⓘ |
| industry |
wastewater management
ⓘ
water supply ⓘ |
| jurisdictionIncludes |
Alameda County
ⓘ
Contra Costa County ⓘ |
| legalForm | independent special district ⓘ |
| locatedInMetropolitanArea |
San Francisco–Oakland–Berkeley metropolitan area
ⓘ
linked to:
San Francisco Bay Area
|
| operatesFacility |
Mokelumne Aqueducts
ⓘ
wastewater treatment plant in Oakland ⓘ water treatment plants ⓘ |
| publicOrPrivate | public ⓘ |
| regulates | water use ⓘ |
| servesRegion |
East Bay
ⓘ
San Francisco Bay Area ⓘ |
| serviceAreaCharacteristic |
suburban
ⓘ
urban ⓘ |
| serviceType |
drinking water supply
ⓘ
recycled water supply ⓘ sewer services ⓘ wastewater treatment ⓘ water conservation programs ⓘ water distribution ⓘ water treatment ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
| waterSource |
Mokelumne River
ⓘ
Mokelumne River watershed ⓘ
linked to:
Mokelumne River
|
| website | https://www.ebmud.com/ ⓘ |
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: East Bay Municipal Utility District Description of subject: East Bay Municipal Utility District is a public water and wastewater agency serving the San Francisco Bay Area’s East Bay communities.
Referenced by (27)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: East Bay Municipal Utility District
linked to: East Bay Municipal Utility District
linked to: East Bay Municipal Utility District