CWA
E31156
CWA is a major U.S. environmental law that regulates the discharge of pollutants into the nation’s waters and sets water quality standards.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CWA canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T240960 — 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: CWA Context triple: [Clean Water Act, shortName, CWA]
-
A.
WECA
WECA is the former name of the Wi‑Fi Alliance, the global industry consortium that develops and certifies Wi‑Fi standards and interoperability.
-
B.
CAC
The Central American Cup (CAC) is a regional football tournament featuring national teams from Central America competing for the championship title.
-
C.
CCC
The CCC, or Civilian Conservation Corps, was a New Deal work relief program in the United States during the 1930s and early 1940s that employed young men in conservation and public works projects such as reforestation, park development, and soil erosion control.
-
D.
WAS
WAS is the standard three-letter abbreviation used for the Washington Commanders NFL franchise.
-
E.
WAS
WAS is the station code for Washington, D.C.’s main intercity and commuter rail hub, Union Station.
- 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: CWA Target entity description: CWA is a major U.S. environmental law that regulates the discharge of pollutants into the nation’s waters and sets water quality standards.
-
A.
WECA
WECA is the former name of the Wi‑Fi Alliance, the global industry consortium that develops and certifies Wi‑Fi standards and interoperability.
-
B.
CAC
The Central American Cup (CAC) is a regional football tournament featuring national teams from Central America competing for the championship title.
-
C.
CCC
The CCC, or Civilian Conservation Corps, was a New Deal work relief program in the United States during the 1930s and early 1940s that employed young men in conservation and public works projects such as reforestation, park development, and soil erosion control.
-
D.
WAS
WAS is the standard three-letter abbreviation used for the Washington Commanders NFL franchise.
-
E.
WAS
WAS is the station code for Washington, D.C.’s main intercity and commuter rail hub, Union Station.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | United States federal environmental law ⓘ |
| abbreviation |
CAFO
ⓘ
CWA ⓘ NPDES ⓘ POTW ⓘ TMDL ⓘ |
| aimsTo |
achieve water quality that protects fish, shellfish, and wildlife
ⓘ
eliminate the discharge of pollutants into navigable waters ⓘ provide recreation in and on the water ⓘ |
| appliesTo |
certain wetlands
ⓘ
interstate waters ⓘ territorial seas ⓘ |
| authorizes |
Section 404 dredge and fill permitting program
ⓘ
nonpoint source management programs ⓘ total maximum daily loads program ⓘ water quality standards program ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| definesTerm |
navigable waters
ⓘ
point source ⓘ waters of the United States ⓘ |
| enforcedBy |
U.S. Army Corps of Engineers
ⓘ
United States Environmental Protection Agency ⓘ |
| establishesProgram | National Pollutant Discharge Elimination System ⓘ |
| excludes | most groundwater regulation ⓘ |
| focusesOn | surface waters ⓘ |
| legalBasisFor |
effluent limitations
ⓘ
technology-based standards ⓘ water-quality-based effluent limits ⓘ |
| primaryGoal |
restore and maintain the biological integrity of the Nation’s waters
ⓘ
restore and maintain the chemical integrity of the Nation’s waters ⓘ restore and maintain the physical integrity of the Nation’s waters ⓘ |
| promotes | construction of publicly owned treatment works ⓘ |
| providesFor | citizen suit enforcement ⓘ |
| regulates |
discharge of pollutants into waters of the United States
ⓘ
water quality standards ⓘ |
| requires |
permits for point source discharges to navigable waters
ⓘ
state certification for federal permits affecting water quality ⓘ state water quality standards for surface waters ⓘ |
| section |
Section 303
ⓘ
Section 401 ⓘ Section 402 ⓘ Section 404 ⓘ |
| subjectOf | United States Supreme Court decisions on waters of the United States ⓘ |
| targets |
concentrated animal feeding operations
ⓘ
industrial dischargers ⓘ municipal wastewater treatment plants ⓘ |
| typeOf | pollution control law ⓘ |
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: CWA Description of subject: CWA is a major U.S. environmental law that regulates the discharge of pollutants into the nation’s waters and sets water quality standards.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
CWA