EPA Office of Water
E453378
The EPA Office of Water is the division of the U.S. Environmental Protection Agency responsible for developing and enforcing national policies and regulations to protect the country’s water resources, including drinking water, surface waters, and aquatic ecosystems.
All labels observed (4)
How this entity was disambiguated
This entity first appeared as the object of triple T4560600 — 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: EPA Office of Water Context triple: [Federal Water Quality Administration, followedBy, EPA Office of Water]
-
A.
Federal Water Quality Administration
The Federal Water Quality Administration was a former U.S. federal agency responsible for enforcing water pollution control and improving the quality of the nation’s waterways before its functions were absorbed into the Environmental Protection Agency.
-
B.
Office of Water Policy
The Office of Water Policy is a division within Florida’s environmental regulatory framework that develops and coordinates statewide policies for managing and protecting water resources.
-
C.
United States Environmental Protection Agency
The United States Environmental Protection Agency is a federal government agency responsible for protecting human health and the environment through regulation, enforcement, and environmental research in the United States.
-
D.
Washington State Water Pollution Control Commission
The Washington State Water Pollution Control Commission was a former state agency responsible for regulating and reducing water pollution in Washington prior to the creation of the Department of Ecology.
-
E.
National Pollutant Discharge Elimination System
The National Pollutant Discharge Elimination System is a U.S. regulatory permitting program that controls water pollution by regulating point-source discharges of pollutants into waters of the United States.
- 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: EPA Office of Water Target entity description: The EPA Office of Water is the division of the U.S. Environmental Protection Agency responsible for developing and enforcing national policies and regulations to protect the country’s water resources, including drinking water, surface waters, and aquatic ecosystems.
-
A.
Federal Water Quality Administration
The Federal Water Quality Administration was a former U.S. federal agency responsible for enforcing water pollution control and improving the quality of the nation’s waterways before its functions were absorbed into the Environmental Protection Agency.
-
B.
Office of Water Policy
The Office of Water Policy is a division within Florida’s environmental regulatory framework that develops and coordinates statewide policies for managing and protecting water resources.
-
C.
United States Environmental Protection Agency
The United States Environmental Protection Agency is a federal government agency responsible for protecting human health and the environment through regulation, enforcement, and environmental research in the United States.
-
D.
Washington State Water Pollution Control Commission
The Washington State Water Pollution Control Commission was a former state agency responsible for regulating and reducing water pollution in Washington prior to the creation of the Department of Ecology.
-
E.
National Pollutant Discharge Elimination System
The National Pollutant Discharge Elimination System is a U.S. regulatory permitting program that controls water pollution by regulating point-source discharges of pollutants into waters of the United States.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
division of the United States Environmental Protection Agency
ⓘ
office of a government agency ⓘ |
| collaboratesWith |
local governments
ⓘ
other federal agencies ⓘ state environmental agencies ⓘ tribal governments ⓘ water utilities ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| develops |
drinking water health-based standards
ⓘ
effluent limitation guidelines ⓘ national water quality criteria ⓘ stormwater regulations ⓘ |
| focusesOn |
coastal and ocean water quality
ⓘ
drinking water safety ⓘ water pollution prevention ⓘ watershed management ⓘ wetlands protection ⓘ |
| hasDivision |
Office of Ground Water and Drinking Water
ⓘ
linked to:
EPA Office of Water
Office of Science and Technology ⓘ Office of Wastewater Management ⓘ Office of Wetlands, Oceans, and Watersheds ⓘ |
| headquartersLocation | Washington, D.C. ⓘ |
| jurisdiction |
federal government of the United States
ⓘ
linked to:
United States government
|
| mission |
to ensure safe drinking water
ⓘ
to protect and restore the nation’s waters ⓘ to safeguard aquatic ecosystems ⓘ |
| overseesProgram |
Beaches Environmental Assessment and Coastal Health Program
ⓘ
Clean Water State Revolving Fund program ⓘ
linked to:
Clean Water State Revolving Fund Program
Drinking Water State Revolving Fund program ⓘ
linked to:
Drinking Water State Revolving Fund Program
National Estuary Program ⓘ National Pollutant Discharge Elimination System ⓘ Section 319 Nonpoint Source Management Program ⓘ WaterSense program ⓘ |
| parentOrganization | United States Environmental Protection Agency ⓘ |
| provides |
grants and financial assistance for water infrastructure
ⓘ
guidance to states and tribes on water regulations ⓘ technical assistance on water programs ⓘ |
| responsibleFor |
drinking water regulations
ⓘ
effluent guidelines and standards ⓘ implementation of the Beaches Environmental Assessment and Coastal Health Act ⓘ implementation of the Clean Water Act ⓘ implementation of the Marine Protection, Research, and Sanctuaries Act (ocean dumping provisions) ⓘ implementation of the Safe Drinking Water Act ⓘ implementation of water quality standards ⓘ national water policy ⓘ protection of aquatic ecosystems ⓘ protection of groundwater resources ⓘ protection of surface waters ⓘ protection of wetlands ⓘ water infrastructure financing policy ⓘ water pollution control programs ⓘ water quality monitoring and assessment programs ⓘ |
| shortName | OW ⓘ |
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: EPA Office of Water Description of subject: The EPA Office of Water is the division of the U.S. Environmental Protection Agency responsible for developing and enforcing national policies and regulations to protect the country’s water resources, including drinking water, surface waters, and aquatic ecosystems.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
National Estuary Program
→
parentAgency
→
United States Environmental Protection Agency Office of Water
ⓘ
linked to: EPA Office of Water
linked to: EPA Office of Water