| #Q001 | reporting | reporting | mandatory | Publication of Sole Source Aquifer Determination | drinking water | If the Administrator determines, on his own initiative or upon petition, that an area has an aquifer which is the sole or principal drinking water source for the area and which, if contaminated, would create a significant hazard to public health, he shall publish notice of that determination in the Federal Register. | If the Administrator determines that an area has an aquifer which is the sole or principal drinking water source for the area and which, if contaminated, would create a significant hazard to public health | high |
| #Q002 | prohibition | health | mandatory | Prohibition of Federal Financial Assistance for Contaminating Projects | drinking water | After the publication of any such notice, no commitment for federal financial assistance (through a grant, contract, loan guarantee, or otherwise) may be entered into for any project which the Administrator determines may contaminate such aquifer through a recharge zone so as to create a significant hazard to public health | After the publication of any such notice regarding a sole source aquifer determination | high |
| #Q003 | administrative | unknown | guidance | Exception for Federal Assistance for Project Planning or Design | drinking water | but a commitment for federal assistance may, if authorized under another provision of law, be entered into to plan or design the project to assure that it will not so contaminate the aquifer. | if authorized under another provision of law | high |
| #Q004 | administrative | treatment | mandatory | Permit Incorporation of Effluent Standards | wastewater | The Effluent Guidelines and Standards are incorporated into NPDES permits for direct dischargers, and permits or other control mechanisms for indirect dischargers. | | high |
| #Q005 | administrative | reporting | guidance | Detailed Coverage Definition Reference | wastewater | For precise definitions of coverage, refer to the applicability sections in 40 CFR Part 467. | | high |
| #Q006 | administrative | treatment | mandatory | Surface Treatment Category Exclusion | wastewater | All surface treatment of aluminum is considered to be an integral part of Aluminum Forming whenever it is performed at the same plant site at which aluminum is formed, and such operations are not considered for regulation under the Electroplating (40 CFR Part 413) or Metal Finishing (40 CFR Part 433) categories. | whenever it is performed at the same plant site at which aluminum is formed | high |
| #Q007 | administrative | treatment | mandatory | Casting Applicability for Manufacturing Plants | wastewater | Casting done at a plant which manufactures aluminum and also does aluminum forming is subject to the casting limitations for the aluminum manufacturing subcategories of the Nonferrous Metals Manufacturing Category (40 CFR Part 421), if there is no cooling of the aluminum prior to casting. | if there is no cooling of the aluminum prior to casting | high |
| #Q008 | administrative | treatment | mandatory | Casting Applicability for Remelted Aluminum | wastewater | If the aluminum is a remelted primary aluminum product and is cast at a facility for subsequent forming of aluminum, then the casting of remelted aluminum is subject to the Aluminum Forming Category limitations. | If the aluminum is a remelted primary aluminum product and is cast at a facility for subsequent forming of aluminum | high |
| #Q009 | administrative | treatment | mandatory | General Aluminum Casting Applicability | wastewater | Other aluminum casting operations are subject to the Metal Molding and Casting (Foundries) Category (40 CFR Part 464). | | high |
| #Q010 | administrative | reporting | mandatory | National Contaminant Occurrence Database Maintenance | drinking water | Some of the datasets in this clearinghouse help fulfill the EPA's requirement under the Safe Drinking Water Act to assemble and maintain a National Contaminant Occurrence Database. | Requirement under the Safe Drinking Water Act | high |
| #Q011 | reporting | operational | mandatory | Risk and Resilience Assessment and Emergency Response Plan Certification | drinking water | Users can access community water system compliance data for requirements to certify the Risk and Resilience Assessment (RRA) and Emergency Response Plan (ERP) under section 1433 of the Safe Drinking Water Act (SDWA), which was amended by section 2013 of America's Water Infrastructure Act (AWIA). | Requirements under section 1433 of the Safe Drinking Water Act (SDWA) as amended by America's Water Infrastructure Act (AWIA) | high |
| #Q012 | administrative | reporting | guidance | Latest Infrastructure Needs Results Guidance | drinking water | For the latest DWINSA results, see the seventh DWINSA. | When reviewing results from the fifth or sixth DWINSA | high |
| #Q013 | operational | operational | guidance | Secure Website Information Sharing | other | Share sensitive information only on official, secure websites. | When using .gov websites | high |
| #Q014 | administrative | reporting | mandatory | Mandatory Feedback Form Field Completion | other | A red asterisk (*) indicates a required field. | When submitting feedback on the website | high |