Detroit Dam
E631973
Detroit Dam is a large concrete storage and flood-control dam in western Oregon that forms Detroit Lake and helps regulate the flow of the North Santiam River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Detroit Dam canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T6710356 — 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: Detroit Dam Context triple: [Santiam River, hasDam, Detroit Dam]
-
A.
La Grange Dam
La Grange Dam is a historic diversion dam on California’s Tuolumne River that supplies irrigation water to agricultural lands in the San Joaquin Valley.
-
B.
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.
-
C.
Wilson Dam
Wilson Dam is a large hydroelectric and navigation dam in northern Alabama that forms part of the Tennessee Valley Authority system on the Tennessee River.
-
D.
Rock Island Dam
Rock Island Dam is a hydroelectric dam on the Columbia River in Washington State, notable as one of the first major dams built on the river for power generation and river control.
-
E.
Monticello Dam
Monticello Dam is a large concrete arch dam in Napa County, California, that creates Lake Berryessa and provides water storage, flood control, and hydroelectric power.
- 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: Detroit Dam Target entity description: Detroit Dam is a large concrete storage and flood-control dam in western Oregon that forms Detroit Lake and helps regulate the flow of the North Santiam River.
-
A.
La Grange Dam
La Grange Dam is a historic diversion dam on California’s Tuolumne River that supplies irrigation water to agricultural lands in the San Joaquin Valley.
-
B.
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.
-
C.
Wilson Dam
Wilson Dam is a large hydroelectric and navigation dam in northern Alabama that forms part of the Tennessee Valley Authority system on the Tennessee River.
-
D.
Rock Island Dam
Rock Island Dam is a hydroelectric dam on the Columbia River in Washington State, notable as one of the first major dams built on the river for power generation and river control.
-
E.
Monticello Dam
Monticello Dam is a large concrete arch dam in Napa County, California, that creates Lake Berryessa and provides water storage, flood control, and hydroelectric power.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
concrete gravity dam
ⓘ
flood control dam ⓘ storage dam ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| constructionBegan | 1949 ⓘ |
| constructionMaterial | concrete ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| county | Marion County, Oregon ⓘ |
| distanceToSalem | about 45 miles east ⓘ |
| elevationAtCrest | about 1,569 ft above sea level ⓘ |
| formsReservoir | Detroit Lake ⓘ |
| hasSpillwayGates | radial gates ⓘ |
| height |
141 m
ⓘ
463 ft ⓘ |
| length |
1566 ft
ⓘ
477 m ⓘ |
| locatedIn |
Oregon
ⓘ
United States ⓘ
linked to:
United States of America
|
| locatedNear |
City of Detroit, Oregon
ⓘ
linked to:
Detroit, Oregon
|
| locatedOnRiver |
North Santiam River
ⓘ
linked to:
Santiam River
|
| manages | seasonal runoff from western Cascades ⓘ |
| managesFlowOf |
North Santiam River
ⓘ
linked to:
Santiam River
|
| nearbyCity | Salem, Oregon ⓘ |
| numberOfTurbines | 2 ⓘ |
| openingDate | 1953 ⓘ |
| operator |
United States Army Corps of Engineers
ⓘ
linked to:
U.S. Army Corps of Engineers
|
| ownedBy | United States government ⓘ |
| partOf |
Willamette Valley Project
ⓘ
linked to:
Willamette Valley Project dams
|
| partOfRiverSystem |
Willamette River basin
ⓘ
linked to:
Willamette River
|
| plantCapacity | 100 MW ⓘ |
| provides |
downstream flood protection
ⓘ
flow regulation for irrigation ⓘ flow regulation for municipal water supply ⓘ recreational opportunities at Detroit Lake ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ recreation support ⓘ water storage ⓘ |
| region | western Oregon ⓘ |
| reservoirCapacity |
455000 acre-feet
ⓘ
561,000,000 m3 ⓘ |
| reservoirName | Detroit Lake ⓘ |
| reservoirSurfaceArea | about 3,500 acres ⓘ |
| spillwayType | gated overflow spillway ⓘ |
| state | Oregon ⓘ |
| structureType | gravity dam ⓘ |
| turbineType | Francis turbine ⓘ |
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: Detroit Dam Description of subject: Detroit Dam is a large concrete storage and flood-control dam in western Oregon that forms Detroit Lake and helps regulate the flow of the North Santiam River.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.