Walterville Dam
E445130
Walterville Dam is a hydroelectric diversion dam on Oregon’s McKenzie River that channels water to the Walterville Power Canal and generating station.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Walterville Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3841814 — 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: Walterville Dam Context triple: [McKenzie River, hasHydroelectricDam, Walterville Dam]
-
A.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
-
B.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
-
C.
Wheeler Dam
Wheeler Dam is a hydroelectric dam on the Tennessee River in northern Alabama that forms Wheeler Lake and helps provide power, navigation, and flood control in the region.
-
D.
Goodwin Dam
Goodwin Dam is a concrete gravity diversion dam on California’s Stanislaus River that helps regulate river flow and supplies irrigation water to surrounding agricultural areas.
-
E.
Gillespie Dam
Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
- 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: Walterville Dam Target entity description: Walterville Dam is a hydroelectric diversion dam on Oregon’s McKenzie River that channels water to the Walterville Power Canal and generating station.
-
A.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
-
B.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
-
C.
Wheeler Dam
Wheeler Dam is a hydroelectric dam on the Tennessee River in northern Alabama that forms Wheeler Lake and helps provide power, navigation, and flood control in the region.
-
D.
Goodwin Dam
Goodwin Dam is a concrete gravity diversion dam on California’s Stanislaus River that helps regulate river flow and supplies irrigation water to surrounding agricultural areas.
-
E.
Gillespie Dam
Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
hydroelectric diversion dam ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| category |
Buildings and structures in Lane County, Oregon
ⓘ
Dams in Oregon ⓘ Hydroelectric dams in Oregon ⓘ |
| connectsTo | Walterville Power Canal NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| divertsWaterTo | Walterville Power Canal NERFINISHED ⓘ |
| energySource | hydropower ⓘ |
| feeds | Walterville Power Canal NERFINISHED ⓘ |
| function | river diversion for power generation ⓘ |
| hasNearbySettlement | Walterville, Oregon NERFINISHED ⓘ |
| hasStructureType | diversion dam ⓘ |
| locatedIn |
Lane County, Oregon
NERFINISHED
ⓘ
McKenzie River NERFINISHED ⓘ Oregon ⓘ United States of America ⓘ
surface form:
United States
|
| locatedInWatershed | Willamette River basin NERFINISHED ⓘ |
| near | Eugene, Oregon NERFINISHED ⓘ |
| operator | Eugene Water & Electric Board NERFINISHED ⓘ |
| ownedBy | Eugene Water & Electric Board NERFINISHED ⓘ |
| partOf | Walterville Hydroelectric Project NERFINISHED ⓘ |
| purpose | hydroelectric power generation ⓘ |
| region | Pacific Northwest ⓘ |
| state | Oregon ⓘ |
| uses | run-of-river diversion ⓘ |
| watercourse | McKenzie 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: Walterville Dam Description of subject: Walterville Dam is a hydroelectric diversion dam on Oregon’s McKenzie River that channels water to the Walterville Power Canal and generating station.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.