| Req ID | Category | Intent | Legal Status | Name | Subdomain(s) | Context | Conditions | Confidence |
|---|---|---|---|---|---|---|---|---|
| #Q001 | monitoring | operational | mandatory | PFAS Initial and Ongoing Monitoring | drinking water | Public water systems must monitor for these PFAS and have three years to complete initial monitoring (by 2027), followed by ongoing compliance monitoring. | Three years to complete initial monitoring (by 2027) | high |
| #Q002 | reporting | reporting | mandatory | Public Information on PFAS Levels | drinking water | Water systems must also provide the public with information on the levels of these PFAS in their drinking water beginning in 2027. | Beginning in 2027 | high |
| #Q003 | treatment | treatment | mandatory | PFAS Reduction Solutions Implementation | drinking water | Public water systems have five years (by 2029) to implement solutions that reduce these PFAS if monitoring shows that drinking water levels exceed these MCLs. | If monitoring shows that drinking water levels exceed these MCLs | high |
| #Q004 | corrective_action | treatment | mandatory | Action to Reduce PFAS Exceedances | drinking water | Beginning in five years (2029), public water systems that have PFAS in drinking water which violates one or more of these MCLs must take action to reduce levels of these PFAS in their drinking water and must provide notification to the public of the violation. | If PFAS in drinking water violates one or more of these MCLs | high |
| #Q005 | reporting | reporting | mandatory | Public Notification of PFAS Violation | drinking water | Beginning in five years (2029), public water systems that have PFAS in drinking water which violates one or more of these MCLs must take action to reduce levels of these PFAS in their drinking water and must provide notification to the public of the violation. | If PFAS in drinking water violates one or more of these MCLs | high |
| #Q006 | administrative | reporting | mandatory | NPDES Permit Application Requirement | other | You must apply for an NPDES permit from your state NPDES permitting authority or EPA Region. | When not eligible for coverage under EPA's 2021 NPDES Pesticide General Permit (PGP) | high |
| #Q007 | administrative | reporting | mandatory | Notice of Intent Submission | other | You must submit an NOI to be covered under the PGP. | When eligible for coverage and specific thresholds or conditions are met | high |
| #Q008 | administrative | reporting | mandatory | Standard NOI Submission Timeline (30-day) | other | Submit NOI at least 30 days prior to first discharge. | General requirement for applicable decision-makers | high |
| #Q009 | administrative | reporting | mandatory | Standard NOI Submission Timeline (10-day) | other | Submit NOI at least 10 days prior to first discharge. | Applies to specific small entities or use patterns as defined in Part 1.2.2 | high |
| #Q010 | administrative | reporting | mandatory | Emergency NOI Submission Timeline (15-day) | other | For applications that are for Declared Pest Emergencies, submit NOI within 15 days after first discharge. | Applicable to specific decision-makers during declared pest emergencies | high |
| #Q011 | administrative | reporting | mandatory | Emergency NOI Submission Timeline (30-day) | other | For applications that are for Declared Pest Emergencies, submit NOI within 30 days after first discharge. | Specific to certain decision-maker categories under Part 1.2.2 | high |
| #Q012 | operational | operational | mandatory | Pesticide Discharge Management Plan Obligation | other | Pesticide Discharge Management Plan, Part 5 (not required for applications made in response to Declared Pest Emergencies) | Required for specific decision-makers under PGP coverage | high |
| Req ID | Category | Intent | Legal Status | Name | Subdomain(s) | Limit Type | Limit Value | Context | Conditions | Confidence |
|---|---|---|---|---|---|---|---|---|---|---|
| #P001 | chemical | health | guidance | PFOA | drinking water | treatment_goal | 0 ppt | Final Maximum Contaminant Level Goal (MCLG). Non-enforceable health-based goal. | high | |
| #P002 | chemical | health | mandatory | PFOA | drinking water | MAC | 4.0 ppt | Final MCL (enforceable level). Also expressed as ng/L. | Compliance with MCLs is determined by running annual averages at the sampling point. | high |
| #P003 | chemical | health | guidance | PFOS | drinking water | treatment_goal | 0 ppt | Final Maximum Contaminant Level Goal (MCLG). Non-enforceable health-based goal. | high | |
| #P004 | chemical | health | mandatory | PFOS | drinking water | MAC | 4.0 ppt | Final MCL (enforceable level). | Compliance with MCLs is determined by running annual averages at the sampling point. | high |
| #P005 | chemical | health | guidance | PFHxS | drinking water | treatment_goal | 10 ppt | Final Maximum Contaminant Level Goal (MCLG). Non-enforceable health-based goal. | high | |
| #P006 | chemical | health | mandatory | PFHxS | drinking water | MAC | 10 ppt | Final MCL (enforceable level). | Compliance with MCLs is determined by running annual averages at the sampling point. | high |
| #P007 | chemical | health | guidance | PFNA | drinking water | treatment_goal | 10 ppt | Final Maximum Contaminant Level Goal (MCLG). Non-enforceable health-based goal. | high | |
| #P008 | chemical | health | mandatory | PFNA | drinking water | MAC | 10 ppt | Final MCL (enforceable level). | Compliance with MCLs is determined by running annual averages at the sampling point. | high |
| #P009 | chemical | health | guidance | HFPO-DA (commonly known as GenX Chemicals) | drinking water | treatment_goal | 10 ppt | Final Maximum Contaminant Level Goal (MCLG). Non-enforceable health-based goal. | high | |
| #P010 | chemical | health | mandatory | HFPO-DA (commonly known as GenX Chemicals) | drinking water | MAC | 10 ppt | Final MCL (enforceable level). | Compliance with MCLs is determined by running annual averages at the sampling point. | high |
| #P011 | chemical | health | guidance | Mixtures containing two or more of PFHxS, PFNA, HFPO-DA, and PFBS | drinking water | treatment_goal | 1 Hazard Index | Final Maximum Contaminant Level Goal (MCLG). Non-enforceable health-based goal. | high | |
| #P012 | chemical | health | mandatory | Mixtures containing two or more of PFHxS, PFNA, HFPO-DA, and PFBS | drinking water | MAC | 1 Hazard Index | Final MCL (enforceable level). Unitless. | Compliance with MCLs is determined by running annual averages at the sampling point. | high |
| #P013 | design | treatment | mandatory | Treatment works design flow (Category Nine) | wastewater | requirement | >= 1 million gallons a day | Criteria for treatment works treating domestic sewage to be regulated under industrial stormwater NPDES permits. | Applies to facilities treating domestic sewage. | high |
| #P014 | design | operational | mandatory | Construction site disturbance area (Category Ten) | other | requirement | >= 5 acres | Threshold for construction sites to be regulated as industrial activity, though typically permitted separately. | Runoff from rainfall or snowmelt that comes in contact with these activities. | high |
| Req ID | Category | Name | Context | Confidence |
|---|---|---|---|---|
| #D001 | NPDES | National Pollutant Discharge Elimination System | high | |
| #D002 | WET | Whole Effluent Toxicity | high | |
| #D003 | CWA | Clean Water Act | high | |
| #D004 | EFDC | Environment Fluid Dynamics Code | high | |
| #D005 | SWMM | Storm Water Management Model | high | |
| #D006 | SWMM-CAT | Storm Water Management Model Adjustment Tool | high | |
| #D007 | HAWQS | Hydrologic and Water Quality System | high | |
| #D008 | publicly owned treatment works | A treatment works (as defined by CWA section 212) that is owned by a state or municipality [as defined by CWA section 502(4)]. This definition includes any devices or systems used in the storage, treatment, recycling, and reclamation of municipal sewage or industrial wastes of a liquid nature. It also includes sewers, pipes, or other conveyances only if they convey wastewater to a POTW treatment plant. The term also means the municipality [as defined in CWA section 502(4)] that has jurisdiction over the indirect discharges to and the discharges from such a treatment works. [40 CFR 403.3(q)] | high | |
| #D009 | POTWs | publicly owned treatment works | high |