Hillsborough River Reservoir
E341386
Hillsborough River Reservoir is a man-made lake in Tampa, Florida, that serves as a primary source of drinking water and recreation for the surrounding region.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Hillsborough River Reservoir canonical | 1 |
| Hillsborough River water supply system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3268062 — 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: Hillsborough River Reservoir Context triple: [Hillsborough River, hasPart, Hillsborough River Reservoir]
-
A.
Croton Reservoir
Croton Reservoir is a large man-made lake in Westchester County, New York, that serves as a key component of New York City's water supply system.
-
B.
East Branch Reservoir
East Branch Reservoir is a man-made water supply reservoir in New York’s Croton Watershed that helps provide drinking water to New York City.
-
C.
Boyds Corner Reservoir
Boyds Corner Reservoir is a small New York City water supply reservoir in Putnam County, New York, that forms part of the city’s Croton watershed system.
-
D.
Union Reservoir
Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
-
E.
Middle Branch Reservoir
Middle Branch Reservoir is a man-made lake in New York’s Croton Watershed that serves as part of the New York City water supply system.
- 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: Hillsborough River Reservoir Target entity description: Hillsborough River Reservoir is a man-made lake in Tampa, Florida, that serves as a primary source of drinking water and recreation for the surrounding region.
-
A.
Croton Reservoir
Croton Reservoir is a large man-made lake in Westchester County, New York, that serves as a key component of New York City's water supply system.
-
B.
East Branch Reservoir
East Branch Reservoir is a man-made water supply reservoir in New York’s Croton Watershed that helps provide drinking water to New York City.
-
C.
Boyds Corner Reservoir
Boyds Corner Reservoir is a small New York City water supply reservoir in Putnam County, New York, that forms part of the city’s Croton watershed system.
-
D.
Union Reservoir
Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
-
E.
Middle Branch Reservoir
Middle Branch Reservoir is a man-made lake in New York’s Croton Watershed that serves as part of the New York City water supply system.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
drinking water reservoir
ⓘ
man-made lake ⓘ reservoir ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| connectedTo | Hillsborough River Dam ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| formedBy | dam on the Hillsborough River ⓘ |
| hasEnvironmentalRole |
aquatic habitat
ⓘ
supports riparian ecosystems ⓘ |
| hasFunction |
regulates river flow
ⓘ
stores raw water for treatment ⓘ supports recreational activities ⓘ |
| hasInfrastructure |
earthen embankments
ⓘ
intake structures for water treatment ⓘ spillway ⓘ |
| hasRecreationalActivity |
boating
ⓘ
fishing ⓘ kayaking ⓘ wildlife viewing ⓘ |
| hasWaterType | freshwater ⓘ |
| isArtificial | true ⓘ |
| locatedIn |
Florida
ⓘ
Hillsborough County, Florida ⓘ Tampa, Florida ⓘ United States ⓘ
linked to:
United States of America
|
| locatedInProtectedArea |
Hillsborough River watershed
ⓘ
linked to:
Hillsborough River
|
| locatedNear | Tampa city center ⓘ |
| locatedOnRiver | Hillsborough River ⓘ |
| managedBy | City of Tampa Water Department ⓘ |
| near | Hillsborough River State Park ⓘ |
| operator |
City of Tampa
ⓘ
linked to:
Tampa, Florida
|
| partOf |
Hillsborough River water supply system
ⓘ
linked to:
Hillsborough River Reservoir
Tampa drinking water system ⓘ |
| primaryPurpose | public water supply ⓘ |
| region | Tampa Bay area ⓘ |
| secondaryPurpose |
flood mitigation
ⓘ
recreation ⓘ |
| subjectTo |
water quality monitoring
ⓘ
withdrawal permits and regulations ⓘ |
| use |
drinking water source
ⓘ
flood control ⓘ municipal water supply ⓘ recreation ⓘ |
| watercourse | Hillsborough River ⓘ |
| waterSourceFor |
Tampa
ⓘ
linked to:
Tampa, Florida
surrounding communities in Hillsborough County ⓘ |
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: Hillsborough River Reservoir Description of subject: Hillsborough River Reservoir is a man-made lake in Tampa, Florida, that serves as a primary source of drinking water and recreation for the surrounding region.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Hillsborough River Reservoir