Filtration Avoidance Determination system
E498578
The Filtration Avoidance Determination system is a U.S. regulatory framework that allows certain high-quality surface water supplies, such as New York City’s Catskill-Delaware system, to be delivered without filtration if strict watershed protection and water quality standards are met.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Filtration Avoidance Determination system canonical | 1 |
| Filtration Avoidance Determination under U.S. EPA rules | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5153006 — 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: Filtration Avoidance Determination system Context triple: [Catskill-Delaware Watershed, regulatoryStatus, Filtration Avoidance Determination system]
-
A.
Jura water correction system
The Jura water correction system is a large-scale Swiss hydraulic engineering project that regulates the water levels and flow of the Jura lakes and surrounding rivers to prevent flooding and improve land use in the region.
-
B.
Slingshot water purification system
The Slingshot water purification system is a low-cost, portable device invented by Dean Kamen to provide clean drinking water in remote and underserved regions by efficiently purifying contaminated sources.
-
C.
Continuous Flow Electrophoresis System
The Continuous Flow Electrophoresis System is a space-based apparatus designed to separate biological and chemical materials in microgravity using continuous-flow electrophoresis for high-purity sample processing.
-
D.
Minitrack system
The Minitrack system was an early ground-based satellite tracking network developed in the 1950s to detect and follow the radio signals of Earth-orbiting spacecraft.
-
E.
Hazard Avoidance Cameras
Hazard Avoidance Cameras are stereo imaging systems on Mars rovers that provide 3D views of the terrain to help the rover autonomously detect and avoid obstacles while navigating the Martian surface.
- 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: Filtration Avoidance Determination system Target entity description: The Filtration Avoidance Determination system is a U.S. regulatory framework that allows certain high-quality surface water supplies, such as New York City’s Catskill-Delaware system, to be delivered without filtration if strict watershed protection and water quality standards are met.
-
A.
Jura water correction system
The Jura water correction system is a large-scale Swiss hydraulic engineering project that regulates the water levels and flow of the Jura lakes and surrounding rivers to prevent flooding and improve land use in the region.
-
B.
Slingshot water purification system
The Slingshot water purification system is a low-cost, portable device invented by Dean Kamen to provide clean drinking water in remote and underserved regions by efficiently purifying contaminated sources.
-
C.
Continuous Flow Electrophoresis System
The Continuous Flow Electrophoresis System is a space-based apparatus designed to separate biological and chemical materials in microgravity using continuous-flow electrophoresis for high-purity sample processing.
-
D.
Minitrack system
The Minitrack system was an early ground-based satellite tracking network developed in the 1950s to detect and follow the radio signals of Earth-orbiting spacecraft.
-
E.
Hazard Avoidance Cameras
Hazard Avoidance Cameras are stereo imaging systems on Mars rovers that provide 3D views of the terrain to help the rover autonomously detect and avoid obstacles while navigating the Martian surface.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. regulatory framework
ⓘ
drinking water regulatory program ⓘ |
| administeredBy | U.S. Environmental Protection Agency ⓘ |
| aimsTo | maintain compliance with federal drinking water standards without filtration ⓘ |
| allowsExemptionFrom | filtration requirements for eligible surface water supplies ⓘ |
| appliesTo |
New York City’s Catskill-Delaware water supply system
ⓘ
surface water supplies ⓘ |
| basedOn |
public health protection criteria
ⓘ
source water quality monitoring ⓘ watershed protection measures ⓘ |
| benefit |
cost savings from avoiding construction of filtration plants
ⓘ
protection of upstream ecosystems and watersheds ⓘ |
| condition |
specified water quality standards must be met
ⓘ
strict watershed protection requirements must be met ⓘ |
| consequenceOfNonCompliance |
requirement to construct and operate filtration facilities
ⓘ
revocation of filtration avoidance status ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| evaluationBy | U.S. Environmental Protection Agency ⓘ |
| evaluationFrequency | periodic review of compliance with conditions ⓘ |
| exampleOf | filtration avoidance for New York City’s Catskill-Delaware system ⓘ |
| focusesOn | source water protection rather than treatment ⓘ |
| goal |
to preserve high-quality source waters through watershed protection
ⓘ
to protect public health while avoiding unnecessary filtration costs ⓘ |
| purpose | to allow certain high-quality surface water supplies to be delivered without filtration ⓘ |
| regulates | public drinking water systems ⓘ |
| relatedTo |
Long Term 2 Enhanced Surface Water Treatment Rule
ⓘ
linked to:
Surface Water Treatment Rule
Safe Drinking Water Act ⓘ Surface Water Treatment Rule ⓘ |
| requires |
comprehensive watershed control program
ⓘ
contingency plans for water quality problems ⓘ control of agricultural runoff in the watershed ⓘ control of point and nonpoint pollution sources in the watershed ⓘ control of stormwater impacts in the watershed ⓘ disinfection of drinking water ⓘ land use controls in the watershed ⓘ management of septic systems in the watershed ⓘ monitoring for disinfection by-products ⓘ monitoring for microbial contaminants ⓘ monitoring for turbidity ⓘ multi-barrier approach to drinking water protection ⓘ ongoing water quality monitoring ⓘ protection of critical watershed lands ⓘ public notification and reporting of water quality ⓘ regulation of wastewater discharges in the watershed ⓘ sanitary surveys of the watershed ⓘ |
| scope | large surface water systems that can demonstrate high source water quality ⓘ |
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: Filtration Avoidance Determination system Description of subject: The Filtration Avoidance Determination system is a U.S. regulatory framework that allows certain high-quality surface water supplies, such as New York City’s Catskill-Delaware system, to be delivered without filtration if strict watershed protection and water quality standards are met.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
Catskill–Delaware water supply system
→
regulatoryStatus
→
Filtration Avoidance Determination under U.S. EPA rules
ⓘ
linked to: Filtration Avoidance Determination system