Tioga-Hammond Lakes flood control system
E792940
The Tioga-Hammond Lakes flood control system is a U.S. Army Corps of Engineers project in north-central Pennsylvania that uses two interconnected reservoirs and dams to reduce flooding, provide recreation, and support water management along the Tioga River and surrounding region.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Tioga-Hammond Lakes Project | 1 |
| Tioga-Hammond Lakes flood control system canonical | 1 |
| Tioga-Hammond Lakes project | 1 |
| Tioga–Hammond Lakes project | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9343807 — 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: Tioga-Hammond Lakes flood control system Context triple: [Tioga River, partOf, Tioga-Hammond Lakes flood control system]
-
A.
Carroll Creek flood control project
Carroll Creek flood control project is an urban water management and revitalization initiative in Frederick, Maryland, designed to prevent flooding while supporting public spaces, trails, and downtown redevelopment along Carroll Creek.
-
B.
Green Brook Flood Control Project
The Green Brook Flood Control Project is a comprehensive flood mitigation initiative designed to protect Bound Brook and surrounding New Jersey communities from recurring flooding through levees, floodwalls, channel improvements, and related infrastructure.
-
C.
Chena River Lakes Flood Control Project
The Chena River Lakes Flood Control Project is a U.S. Army Corps of Engineers system of dams, levees, and related structures near Fairbanks, Alaska, designed to reduce flooding along the Chena River and protect surrounding communities.
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D.
Gardiner Dam
Gardiner Dam is one of Canada's largest earth-filled dams, located in Saskatchewan and forming Lake Diefenbaker for hydroelectric power, irrigation, and flood control.
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E.
Howard A. Hanson Dam project
The Howard A. Hanson Dam project is a major flood-control and water management infrastructure initiative on Washington’s Green River that protects downstream communities in the Puget Sound region.
- 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: Tioga-Hammond Lakes flood control system Target entity description: The Tioga-Hammond Lakes flood control system is a U.S. Army Corps of Engineers project in north-central Pennsylvania that uses two interconnected reservoirs and dams to reduce flooding, provide recreation, and support water management along the Tioga River and surrounding region.
-
A.
Carroll Creek flood control project
Carroll Creek flood control project is an urban water management and revitalization initiative in Frederick, Maryland, designed to prevent flooding while supporting public spaces, trails, and downtown redevelopment along Carroll Creek.
-
B.
Green Brook Flood Control Project
The Green Brook Flood Control Project is a comprehensive flood mitigation initiative designed to protect Bound Brook and surrounding New Jersey communities from recurring flooding through levees, floodwalls, channel improvements, and related infrastructure.
-
C.
Chena River Lakes Flood Control Project
The Chena River Lakes Flood Control Project is a U.S. Army Corps of Engineers system of dams, levees, and related structures near Fairbanks, Alaska, designed to reduce flooding along the Chena River and protect surrounding communities.
-
D.
Gardiner Dam
Gardiner Dam is one of Canada's largest earth-filled dams, located in Saskatchewan and forming Lake Diefenbaker for hydroelectric power, irrigation, and flood control.
-
E.
Howard A. Hanson Dam project
The Howard A. Hanson Dam project is a major flood-control and water management infrastructure initiative on Washington’s Green River that protects downstream communities in the Puget Sound region.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. Army Corps of Engineers project
ⓘ
flood control system ⓘ |
| connectedReservoirs |
Hammond Lake
ⓘ
Tioga Lake ⓘ |
| connectedTo |
Hammond Dam
ⓘ
Tioga Dam ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| environmentalRole |
aquatic habitat support
ⓘ
wetland support ⓘ |
| floodControlMethod |
controlled downstream releases
ⓘ
temporary storage of high flows ⓘ use of interconnected reservoirs ⓘ |
| hasInfrastructureType |
earthen dams
ⓘ
reservoirs ⓘ |
| hasPart |
Hammond Dam
ⓘ
Hammond Lake ⓘ Tioga Dam ⓘ Tioga Lake ⓘ |
| jurisdiction |
federal government of the United States
ⓘ
linked to:
United States government
|
| locatedIn |
Tioga County, Pennsylvania
ⓘ
north-central Pennsylvania ⓘ |
| locatedNear |
U.S. Route 15 corridor in Pennsylvania
ⓘ
linked to:
U.S. Route 15 in Pennsylvania
|
| locatedOnWatercourse | Tioga River ⓘ |
| managingOrganization | U.S. Army Corps of Engineers ⓘ |
| operator |
U.S. Army Corps of Engineers Baltimore District
ⓘ
linked to:
U.S. Army Corps of Engineers
|
| partOf | federal flood control system of the United States ⓘ |
| provides |
boating opportunities
ⓘ
camping areas ⓘ fishing opportunities ⓘ picnic areas ⓘ reservoir-based recreation ⓘ wildlife habitat ⓘ |
| purpose |
downstream flood damage reduction
ⓘ
flood control ⓘ flow regulation ⓘ recreation ⓘ water management ⓘ |
| recreationManagement | U.S. Army Corps of Engineers ⓘ |
| regionServed |
Chemung River basin
ⓘ
linked to:
Chemung River
Susquehanna River basin ⓘ Tioga River basin ⓘ
linked to:
Tioga River
north-central Pennsylvania ⓘ |
| waterManagementFunction |
regulated water releases
ⓘ
storage of floodwaters ⓘ support of downstream water quality ⓘ |
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: Tioga-Hammond Lakes flood control system Description of subject: The Tioga-Hammond Lakes flood control system is a U.S. Army Corps of Engineers project in north-central Pennsylvania that uses two interconnected reservoirs and dams to reduce flooding, provide recreation, and support water management along the Tioga River and surrounding region.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Tioga-Hammond Lakes flood control system
linked to: Tioga-Hammond Lakes flood control system
linked to: Tioga-Hammond Lakes flood control system