Central Valley Project Improvement Act
E652462
The Central Valley Project Improvement Act is a landmark 1992 U.S. federal law that reformed California’s Central Valley Project to prioritize environmental restoration, fish and wildlife protection, and more balanced water allocation among users.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Central Valley Project Improvement Act canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T7263612 — 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: Central Valley Project Improvement Act Context triple: [Public Law 102-575, majorComponent, Central Valley Project Improvement Act]
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A.
Sacramento–San Joaquin Delta Reform Act of 2009
The Sacramento–San Joaquin Delta Reform Act of 2009 is a California state law that overhauled management of the Sacramento–San Joaquin Delta to improve water supply reliability and protect, restore, and enhance the Delta ecosystem.
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B.
San Joaquin River Restoration Program
The San Joaquin River Restoration Program is a long-term environmental initiative aimed at restoring flows, fish populations, and ecosystem health to California’s San Joaquin River while maintaining water supply reliability for agriculture and communities.
-
C.
Colorado River Basin Project Act
The Colorado River Basin Project Act is a 1968 U.S. federal law that authorized major water development projects in the Colorado River Basin, including the Central Arizona Project, to support water supply, irrigation, and regional growth in the American Southwest.
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D.
Central Valley Project
The Central Valley Project is a large-scale federal water management system in California that stores and delivers water for agriculture, cities, and environmental uses across the Central Valley.
-
E.
Feather River Project
The Feather River Project is a major California water development and hydroelectric initiative centered on the Feather River watershed, providing water storage, power generation, and flood control for the state.
- 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: Central Valley Project Improvement Act Target entity description: The Central Valley Project Improvement Act is a landmark 1992 U.S. federal law that reformed California’s Central Valley Project to prioritize environmental restoration, fish and wildlife protection, and more balanced water allocation among users.
-
A.
Sacramento–San Joaquin Delta Reform Act of 2009
The Sacramento–San Joaquin Delta Reform Act of 2009 is a California state law that overhauled management of the Sacramento–San Joaquin Delta to improve water supply reliability and protect, restore, and enhance the Delta ecosystem.
-
B.
San Joaquin River Restoration Program
The San Joaquin River Restoration Program is a long-term environmental initiative aimed at restoring flows, fish populations, and ecosystem health to California’s San Joaquin River while maintaining water supply reliability for agriculture and communities.
-
C.
Colorado River Basin Project Act
The Colorado River Basin Project Act is a 1968 U.S. federal law that authorized major water development projects in the Colorado River Basin, including the Central Arizona Project, to support water supply, irrigation, and regional growth in the American Southwest.
-
D.
Central Valley Project
The Central Valley Project is a large-scale federal water management system in California that stores and delivers water for agriculture, cities, and environmental uses across the Central Valley.
-
E.
Feather River Project
The Feather River Project is a major California water development and hydroelectric initiative centered on the Feather River watershed, providing water storage, power generation, and flood control for the state.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
United States federal law
ⓘ
environmental law ⓘ |
| administeredBy |
U.S. Department of the Interior
ⓘ
linked to:
United States Department of the Interior
United States Bureau of Reclamation ⓘ
linked to:
Bureau of Reclamation
|
| affects |
agricultural water users
ⓘ
environmental organizations ⓘ fish and wildlife agencies ⓘ urban water users ⓘ |
| aimsTo |
enhance wetland and wildlife habitat
ⓘ
improve reliability of water supplies for agricultural users ⓘ improve reliability of water supplies for urban users ⓘ mitigate impacts of the Central Valley Project on fish and wildlife ⓘ |
| appliesTo |
California
ⓘ
linked to:
California, United States
Central Valley Project ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| dateEnacted | 1992-10-30 ⓘ |
| environmentalGoal | restoration of anadromous fish populations to levels of the 1960s and 1970s ⓘ |
| establishes | Central Valley Project Restoration Fund ⓘ |
| focusesOn |
Central Valley of California
ⓘ
linked to:
Central Valley
Sacramento-San Joaquin River system ⓘ
linked to:
Sacramento River and San Joaquin River
|
| jurisdiction |
federal government of the United States
ⓘ
linked to:
United States government
|
| language | English ⓘ |
| legalStatus | in force ⓘ |
| legislativeBody | United States Congress ⓘ |
| mandates | long-term water supply contracts to include environmental conditions ⓘ |
| partOf | Reclamation Projects Authorization and Adjustment Act of 1992 ⓘ |
| policyChange | elevated fish and wildlife protection to a project purpose coequal with irrigation and power ⓘ |
| primaryPurpose |
environmental restoration
ⓘ
fish and wildlife protection ⓘ improve water allocation balance among users ⓘ reform of Central Valley Project operations ⓘ |
| regionServed |
California Central Valley
ⓘ
linked to:
Central Valley
|
| relatedTo |
California water policy
ⓘ
Central Valley Project ⓘ Endangered Species Act of 1973 ⓘ
linked to:
U.S. Endangered Species Act
Reclamation Act of 1902 ⓘ |
| requires |
dedication of water to fish and wildlife purposes
ⓘ
development of a program to restore anadromous fish populations ⓘ water conservation measures by Central Valley Project contractors ⓘ |
| sector |
environmental protection
ⓘ
water resources management ⓘ |
| shortName | CVPIA ⓘ |
| signedBy | George H. W. Bush ⓘ |
| timePeriod | late 20th century ⓘ |
| title | Central Valley Project Improvement Act ⓘ |
| typeOfLaw | public law ⓘ |
| yearEnacted | 1992 ⓘ |
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: Central Valley Project Improvement Act Description of subject: The Central Valley Project Improvement Act is a landmark 1992 U.S. federal law that reformed California’s Central Valley Project to prioritize environmental restoration, fish and wildlife protection, and more balanced water allocation among users.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
Title XXXIV – Central Valley Project Improvement Act
→
longTitleIncludes
→
Central Valley Project Improvement Act
ⓘ