Chatfield Reservoir
E598636
Chatfield Reservoir is a large multipurpose lake in Colorado known for flood control, water storage, and outdoor recreation such as boating, fishing, and camping.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Chatfield Reservoir canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6248986 — 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: Chatfield Reservoir Context triple: [South Platte River, hasReservoir, Chatfield Reservoir]
-
A.
Clinton Reservoir
Clinton Reservoir is a man-made lake in West Milford, New Jersey, that serves as a water supply source and recreational area in the region.
-
B.
Patterson Reservoir
Patterson Reservoir is a water storage facility in California that forms part of the State Water Project’s South Bay Aqueduct system.
-
C.
Wilson Reservoir
Wilson Reservoir is a man-made lake on the Tennessee River in Alabama, created by Wilson Dam, that serves as a key resource for hydroelectric power, navigation, and recreation.
-
D.
W. Kerr Scott Reservoir
W. Kerr Scott Reservoir is a man-made lake in North Carolina known for recreation such as boating, fishing, and camping, as well as flood control and water supply functions.
-
E.
Fengman Reservoir
Fengman Reservoir is a major artificial lake and hydroelectric reservoir on the upper Songhua River in Jilin Province, China, known for its role in power generation, flood control, and regional water supply.
- 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: Chatfield Reservoir Target entity description: Chatfield Reservoir is a large multipurpose lake in Colorado known for flood control, water storage, and outdoor recreation such as boating, fishing, and camping.
-
A.
Clinton Reservoir
Clinton Reservoir is a man-made lake in West Milford, New Jersey, that serves as a water supply source and recreational area in the region.
-
B.
Patterson Reservoir
Patterson Reservoir is a water storage facility in California that forms part of the State Water Project’s South Bay Aqueduct system.
-
C.
Wilson Reservoir
Wilson Reservoir is a man-made lake on the Tennessee River in Alabama, created by Wilson Dam, that serves as a key resource for hydroelectric power, navigation, and recreation.
-
D.
W. Kerr Scott Reservoir
W. Kerr Scott Reservoir is a man-made lake in North Carolina known for recreation such as boating, fishing, and camping, as well as flood control and water supply functions.
-
E.
Fengman Reservoir
Fengman Reservoir is a major artificial lake and hydroelectric reservoir on the upper Songhua River in Jilin Province, China, known for its role in power generation, flood control, and regional water supply.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| formedByDamOn | South Platte River NERFINISHED ⓘ |
| hasFacility |
boat ramps
ⓘ
campgrounds ⓘ marina ⓘ picnic areas ⓘ swim beach ⓘ trails ⓘ |
| hasFishSpecies |
bass
ⓘ
catfish ⓘ sunfish ⓘ trout ⓘ walleye ⓘ |
| hasNameOrigin | named after the nearby community of Chatfield, Colorado ⓘ |
| hasWildlife |
shorebirds
ⓘ
waterfowl ⓘ |
| locatedIn |
Arapahoe County, Colorado
NERFINISHED
ⓘ
Colorado ⓘ Douglas County, Colorado NERFINISHED ⓘ Jefferson County, Colorado NERFINISHED ⓘ South Platte River basin NERFINISHED ⓘ |
| locatedNear | Littleton, Colorado NERFINISHED ⓘ |
| managedBy | United States Army Corps of Engineers NERFINISHED ⓘ |
| nearCity | Denver, Colorado NERFINISHED ⓘ |
| operator | United States Army Corps of Engineers NERFINISHED ⓘ |
| partOf | Chatfield State Park NERFINISHED ⓘ |
| primaryFunction | flood control ⓘ |
| purpose |
industrial water supply
ⓘ
municipal water supply ⓘ wildlife habitat ⓘ |
| recreationalActivity |
birdwatching
ⓘ
boating ⓘ camping ⓘ fishing ⓘ hiking ⓘ sailing ⓘ swimming ⓘ water skiing ⓘ |
| region | Front Range Urban Corridor NERFINISHED ⓘ |
| statePark | Chatfield State Park NERFINISHED ⓘ |
| use |
recreation
ⓘ
water storage ⓘ |
| usedFor | flood mitigation on the South Platte River ⓘ |
| waterSource |
Plum Creek
NERFINISHED
ⓘ
South Platte River NERFINISHED ⓘ |
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: Chatfield Reservoir Description of subject: Chatfield Reservoir is a large multipurpose lake in Colorado known for flood control, water storage, and outdoor recreation such as boating, fishing, and camping.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.