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Document ID us-ssadw-2026-05-04 Title Sole Source Aquifers for Drinking Water URL https://www.epa.gov/dwssa Jurisdiction /us Subdomain(s) none Language Status completed Analyzed at 2026-05-12 04:21:08.337230+00:00 Relevance inventory_targeted_fetch

13 Qualitative 2 Quantitative 36 Definitions

Q Qualitative Requirements (13)

Req ID	Category	Intent	Legal Status	Name	Subdomain(s)	Context	Conditions	Confidence
#Q001	administrative	unknown	guidance	Sole Source Aquifer Designation Authority	drinking water	Under the Safe Drinking Water Act, EPA's SSA program enables the Agency to designate an aquifer as a sole source of drinking water and establish a review area.		medium
#Q002	administrative	operational	mandatory	Direct Discharge Permit Incorporation	wastewater	The Effluent Guidelines and Standards are incorporated into NPDES permits for direct dischargers.	Applicable to point sources discharging pollutants to waters of the United States.	high
#Q003	administrative	operational	mandatory	Indirect Discharge Control Mechanism	wastewater	The Effluent Guidelines and Standards are incorporated into... permits or other control mechanisms for indirect dischargers.	Applicable to facilities discharging pollutants to publicly owned treatment works.	high
#Q004	administrative	operational	mandatory	Surface Treatment Categorization	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.	Performed as an integral part of aluminum forming at the same plant site.	high
#Q005	operational	operational	mandatory	Casting Limitations 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.	No cooling of the aluminum occurs prior to casting at a facility performing both manufacturing and forming.	high
#Q006	operational	operational	mandatory	Casting Limitations for Remelted Primary 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.	Aluminum is a remelted primary product cast for subsequent forming.	high
#Q007	administrative	unknown	guidance	Coverage Definition Verification Guidance	wastewater	For precise definitions of coverage, refer to the applicability sections in 40 CFR Part 467.	When assessing whether a specific operation is governed by the Aluminum Forming Category.	high
#Q008	administrative	unknown	mandatory	General Regulatory Applicability	wastewater	all facilities that meet the description of the first paragraph, regardless of their size or how they form the aluminum, are covered by this regulation.	Applicable to all facilities meeting the industry description in 40 CFR 467.01(a).	high
#Q009	administrative	unknown	mandatory	Foundries Category Subjection for Other Casting	wastewater	Other aluminum casting operations are subject to the Metal Molding and Casting (Foundries) Category (40 CFR Part 464).	Applicable when casting operations do not fall under Aluminum Forming or Nonferrous Metals Manufacturing categories.	high
#Q010	monitoring	operational	mandatory	Regulated Pollutant Parameters	wastewater	The regulated parameters vary by subcategory, and include: Chromium, Cyanide, Zinc, Aluminum, Oil and grease, Suspended solids, TTO, and pH (abnormally high or low).	Regulated parameters vary depending on the industry subcategory.	high
#Q011	administrative	unknown	mandatory	Small Facility Coverage Definition	wastewater	Paragraph (c) provides that indirect discharging small extrusion and small drawing with emulsions or soaps facilities... are covered by the rule.	Extrusion facilities that extrude less than 3 million pounds of product per year and draw with emulsions or soaps less than 1 million pounds per year [40 CFR 467.01(c)].	high
#Q012	administrative	reporting	mandatory	National Contaminant Occurrence Database Assembly	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.		high
#Q013	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).	Applicable to community water systems.	high

P Quantitative Requirements (2)

Req ID	Category	Intent	Legal Status	Name	Subdomain(s)	Limit Type	Limit Value	Context	Conditions	Confidence
#R001	operational	operational	mandatory	Small extrusion production threshold	wastewater	requirement	< 3 million pounds of product per year	Definition of small extrusion facilities subject to specific regulatory provisions.	Applicable to extrusion facilities.	high
#R002	operational	operational	mandatory	Small drawing with emulsions or soaps production threshold	wastewater	requirement	< 1 million pounds per year	Definition of small drawing with emulsions or soaps facilities.	Applicable to facilities drawing with emulsions or soaps.	high

D Definitions (36)

Req ID	Name	Context	Confidence
#D001	SDWIS	Safe Drinking Water Information System	high
#D002	RRA	Risk and Resilience Assessment	high
#D003	ERP	Emergency Response Plan	high
#D004	SDWA	Safe Drinking Water Act	high
#D005	AWIA	America's Water Infrastructure Act	high
#D006	UST	underground storage tank	high
#D007	PFAS	Perfluoroalkyl and Polyfluoroalkyl Substances	high
#D008	Water ICAT	an interactive map that helps users identify drinking water and wastewater utilities that may benefit from water infrastructure technical or capacity development assistance	high
#D009	direct	A point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans.	high
#D010	indirect	A facility that discharges pollutants to a publicly owned treatment works (municipal sewage treatment plant).	high
#D011	copper alloys	any alloy in which copper is the major constituent.	high
#D012	Plate	a wide rigid piece of metal usually greater than ¼ inch thick.	high
#D013	Sheet	a wide piece of metal having little rigidity and usually less than ¼ inch thick.	high
#D014	strip	the length is many times the width and the product is commonly handled as coils of metal called coiled strip.	high
#D015	Wire	usually circular in cross section and is flexible.	high
#D016	Rod	similar to wire in that it has a circular cross section but is more rigid.	high
#D017	Tubing	material in the form of long hollow cylinders.	high
#D018	Forgings	formed from copper, usually hot, by individual and intermittent applications of pressure.	high
#D019	beryllium copper alloys	any copper alloy that is alloyed to contain 0.10 percent or greater beryllium	high
#D020	precious metals	any alloy containing 30 or greater percent by weight of precious metals	high
#D021	NAICS	North American Industrial Classification System	high
#D022	publicly owned treatment works	A treatment works, as defined by Section 212 of the CWA, that is owned by the state or municipality. This definition includes any devices and systems used in the storage, treatment, recycling, and reclamation of municipal sewage or industrial wastes of a liquid nature. It also includes sewers, pipes, and other conveyances only if they convey wastewater to a POTW treatment plant [40 CFR 403.3]. Privately-owned treatment works, Federally-owned treatment works, and other treatment plants not owned by municipalities are not considered POTWs.	high
#D023	NPDES	National Pollutant Discharge Elimination System	high
#D024	ICIS	Integrated Compliance Information System	high
#D025	DMR	Discharge Monitoring Report	high
#D026	PCS	Permit Compliance System	high
#D027	direct dischargers	A point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans.	high
#D028	Explosives Load, Assemble, and Pack Plants	plants which blend explosives and market a final product, and plants that fill shells and blasting caps	high
#D029	TNT	trinitrotoluene	high
#D030	HMX	cyclotetramethylene tetranitramine	high
#D031	RDX	cyclotrimethylene trinitramine	high
#D032	COD	chemical oxygen demand	high
#D033	BOD5	biochemical oxygen demand	high
#D034	TSS	total suspended solids	high
#D035	BPT	Best Practicable Pollutant Control Technology Currently Available	high
#D036	OCPSF	Organic Chemicals, Plastics and Synthetic Fibers	high