Fairfax Water
E580594
Fairfax Water is a major public water utility in Northern Virginia that supplies drinking water to residents and businesses in Fairfax County and surrounding areas.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fairfax Water canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T6257906 — 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: Fairfax Water Context triple: [Occoquan River, waterManagedBy, Fairfax Water]
-
A.
District of Columbia Water and Sewer Authority
The District of Columbia Water and Sewer Authority is the public utility responsible for providing drinking water and wastewater services to Washington, D.C. and parts of the surrounding region.
-
B.
Eastpoint Water and Sewer District
Eastpoint Water and Sewer District is a local special district in Franklin County, Florida, responsible for providing water and sewer services to the Eastpoint community.
-
C.
Massachusetts Water Resources Authority
The Massachusetts Water Resources Authority is a public agency responsible for providing wholesale water and sewer services, including drinking water supply and wastewater treatment, to communities in the Greater Boston area.
-
D.
Valley Water
Valley Water is a picturesque pond located within Brooklyn’s historic Green-Wood Cemetery, known for its tranquil scenery and surrounding monuments.
-
E.
Clean Water Services
Clean Water Services is a public utility in Oregon that provides wastewater treatment, water resource management, and environmental services for the Tualatin River watershed and surrounding communities.
- 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: Fairfax Water Target entity description: Fairfax Water is a major public water utility in Northern Virginia that supplies drinking water to residents and businesses in Fairfax County and surrounding areas.
-
A.
District of Columbia Water and Sewer Authority
The District of Columbia Water and Sewer Authority is the public utility responsible for providing drinking water and wastewater services to Washington, D.C. and parts of the surrounding region.
-
B.
Eastpoint Water and Sewer District
Eastpoint Water and Sewer District is a local special district in Franklin County, Florida, responsible for providing water and sewer services to the Eastpoint community.
-
C.
Massachusetts Water Resources Authority
The Massachusetts Water Resources Authority is a public agency responsible for providing wholesale water and sewer services, including drinking water supply and wastewater treatment, to communities in the Greater Boston area.
-
D.
Valley Water
Valley Water is a picturesque pond located within Brooklyn’s historic Green-Wood Cemetery, known for its tranquil scenery and surrounding monuments.
-
E.
Clean Water Services
Clean Water Services is a public utility in Oregon that provides wastewater treatment, water resource management, and environmental services for the Tualatin River watershed and surrounding communities.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
public water utility
ⓘ
water supplier ⓘ |
| collaboratesWith | regional water utilities in the Washington, D.C. metropolitan area ⓘ |
| compliesWith |
Safe Drinking Water Act
ⓘ
Virginia Department of Health drinking water regulations ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| customerType |
commercial customers
ⓘ
industrial customers ⓘ residential customers ⓘ wholesale customers ⓘ |
| governance |
board of directors
ⓘ
public authority ⓘ |
| headquartersLocation |
Fairfax County, Virginia
ⓘ
Northern Virginia ⓘ |
| industry | drinking water supply ⓘ |
| infrastructureType |
water distribution mains
ⓘ
water storage tanks ⓘ water transmission mains ⓘ water treatment plants ⓘ |
| jurisdiction | Fairfax County, Virginia and surrounding areas ⓘ |
| locatedIn |
Fairfax County, Virginia
ⓘ
Northern Virginia ⓘ |
| monitors | water quality ⓘ |
| nonProfitStatus | not-for-profit public utility ⓘ |
| operatesFacility |
Corbalis Water Treatment Plant
ⓘ
Griffith Water Treatment Plant ⓘ |
| ownedBy | public sector ⓘ |
| provides |
drinking water to businesses in Fairfax County
ⓘ
drinking water to residents in Fairfax County ⓘ |
| publishes | annual water quality reports ⓘ |
| purpose | to provide safe and reliable drinking water ⓘ |
| regionServed |
City of Alexandria, Virginia
ⓘ
City of Fairfax, Virginia ⓘ
linked to:
City of Fairfax
Fairfax County, Virginia ⓘ parts of Loudoun County, Virginia ⓘ parts of Prince William County, Virginia ⓘ |
| regulates | drinking water quality within its service area ⓘ |
| serviceType |
potable water
ⓘ
retail water service ⓘ wholesale water supply ⓘ |
| state | Virginia ⓘ |
| waterSource |
Occoquan Reservoir
ⓘ
Occoquan River ⓘ Potomac River ⓘ |
| website | https://www.fairfaxwater.org/ ⓘ |
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: Fairfax Water Description of subject: Fairfax Water is a major public water utility in Northern Virginia that supplies drinking water to residents and businesses in Fairfax County and surrounding areas.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.