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Document ID us-adeg-2026-03-24 Title Airport Deicing Effluent Guidelines URL https://www.epa.gov/eg/airport-deicing-effluent-guidelines Jurisdiction /us Subdomain(s) none Language Status completed Analyzed at 2026-05-12 04:21:46.479622+00:00 Relevance inventory_targeted_fetch

16 Qualitative 2 Quantitative 24 Definitions

Q Qualitative Requirements (16)

Req ID	Category	Intent	Legal Status	Name	Subdomain(s)	Context	Conditions	Confidence
#Q001	operational	operational	mandatory	Perform Aircraft and Airfield Deicing	other	The Federal Aviation Administration (FAA) requires airlines and airports that operate during icy conditions to perform deicing and anti-icing of aircraft and airfield pavement.	When operating during icy conditions	high
#Q002	administrative	unknown	mandatory	Obtain NPDES Stormwater Discharge Permits	wastewater	Airports are required to obtain stormwater discharge permits under the NPDES program and ensure that wastes from deicing operations are properly collected and treated.		high
#Q003	treatment	treatment	mandatory	Proper Collection and Treatment of Deicing Wastes	wastewater	Airports are required to obtain stormwater discharge permits under the NPDES program and ensure that wastes from deicing operations are properly collected and treated.		high
#Q004	operational	operational	mandatory	Use Non-Urea-Containing Deicers	wastewater	The Effluent Guidelines require existing and new primary airports with 1,000 or more annual jet departures that discharge wastewater associated with airfield pavement deicing to use non-urea-containing deicers, or alternatively, meet a numeric effluent limitation for ammonia.	Existing and new primary airports with 1,000 or more annual jet departures that discharge wastewater associated with airfield pavement deicing	high
#Q005	administrative	reporting	guidance	Verify Regulatory Coverage and Applicability	wastewater	For precise definitions of coverage, see the applicability sections in 40 CFR Part 411.	Facilities manufacturing Portland cement within NAICS group 327310	high
#Q006	administrative	reporting	mandatory	Incorporate Guidelines into NPDES Permits	wastewater	The Coal Mining Effluent Guidelines and Standards are incorporated into NPDES permits.		high
#Q007	administrative	reporting	guidance	Verify Regulatory Coverage and Applicability	wastewater	For precise definitions of coverage, see the applicability sections in 40 CFR Part 434.	Facilities within NAICS code 21211, Coal Mining	high
#Q008	operational	treatment	mandatory	Comply with Subcategory Effluent Guidelines	wastewater	The Coal Mining Effluent Guidelines apply to wastewater discharges from facilities in six subcategories: Coal Preparation Plants and Associated Areas (Subpart B); Acid or Ferruginous Mine Drainage (Subpart C); Alkaline Mine Drainage (Subpart D); Post-Mining Areas (Subpart E); Coal Remining (Subpart G); Western Alkaline Coal Mining (Subpart H).		high
#Q009	administrative	unknown	guidance	Verify Precise Regulatory Coverage and Applicability	wastewater	For precise definitions of coverage, see the applicability sections in 40 CFR Part 434.	Facilities classified under NAICS code 21211	high
#Q010	operational	treatment	mandatory	Comply with Subcategory Specific Effluent Guidelines	wastewater	The Coal Mining Effluent Guidelines apply to wastewater discharges from facilities in six subcategories: Coal Preparation Plants and Associated Areas (Subpart B); Acid or Ferruginous Mine Drainage (Subpart C); Alkaline Mine Drainage (Subpart D); Post-Mining Areas (Subpart E); Coal Remining (Subpart G); Western Alkaline Coal Mining (Subpart H).	Applies to wastewater discharges from facilities within specified subcategories	high
#Q011	administrative	unknown	mandatory	Incorporate CWT Standards into Permits	wastewater	The CWT Effluent Guidelines and Standards are incorporated into NPDES permits for direct dischargers, and permits or other control mechanisms for indirect dischargers (see Pretreatment Program).		high
#Q012	operational	treatment	mandatory	Compliance with CWT Subcategory Guidelines	wastewater	The CWT Effluent Guidelines apply to facilities in four subcategories: Metals Treatment and Recovery (Subpart A); Oils Treatment and Recovery (Subpart B); Organics Treatment and Recovery (Subpart C); Multiple Wastestreams (Subpart D).	Facilities treating metal-bearing, oily, and organic wastes from off-site	high
#Q013	operational	unknown	mandatory	CWT Applicability for Transportation Equipment Cleaning	wastewater	Facilities that treat wastewater that results from cleaning tanker trucks, rail tank cars, or barges may be subject to the CWT effluent guidelines if not subject to the Transportation Equipment Cleaning Effluent Guidelines (40 CFR Part 442).	Wastewater resulting from cleaning tanker trucks, rail tank cars, or barges	high
#Q014	administrative	unknown	guidance	Review Applicability and Definitions in 40 CFR Part 437	wastewater	See the applicability and definitions sections in 40 CFR Part 437 for complete descriptions of coverage and exclusions.		high
#Q015	administrative	treatment	mandatory	Incorporate Effluent Guidelines into Permits	wastewater	The Effluent Guidelines and Standards are incorporated into NPDES permits for direct dischargers, and permits or other control mechanisms for indirect dischargers (see Pretreatment Program).		high
#Q016	administrative	unknown	guidance	Verify Regulatory Coverage and Applicability	wastewater	For precise definitions of coverage, see the applicability sections in 40 CFR Part 405.	Facilities processing dairy products	high

P Quantitative Requirements (2)

Req ID	Category	Intent	Legal Status	Name	Subdomain(s)	Limit Type	Limit Value	Context	Conditions	Confidence
#P001	operational	operational	mandatory	Collection of aircraft deicing fluid	wastewater	requirement	60 %	New airports with 10,000 annual departures located in certain cold climate zones are required to collect 60 percent of aircraft deicing fluid after deicing.	Applies to new airports with 10,000 annual departures located in certain cold climate zones.	high
#P002	operational	treatment	mandatory	Zero discharge requirement	wastewater	requirement	0 discharge	Some subcategories within the Battery Manufacturing category include zero discharge requirements.	Applies to specific subcategories as defined in 40 CFR Part 461.	high

D Definitions (24)

Req ID	Name	Context	Confidence
#D001	direct	A point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans.	high
#D002	indirect	A facility that discharges pollutants to a publicly owned treatment works (municipal sewage treatment plant).	high
#D003	NPDES	National Pollutant Discharge Elimination System	high
#D004	NAICS	North American Industrial Classification System	high
#D005	BOD5	biochemical oxygen demand	high
#D006	TSS	total suspended solids	high
#D007	PSES	Pretreatment Standards for Existing Sources	high
#D008	BPT	Best Practicable Pollutant Control Technology Currently Available	high
#D009	BAT	Best Available Technology Economically Achievable	high
#D010	NSPS	New Source Performance Standards	high
#D011	PSNS	Pretreatment Standards for New Sources	high
#D012	Electroplating	Electroplating applies a surface coating (typically by electrodeposition) to provide corrosion protection, wear or erosion resistance, anti-frictional characteristics or for decorative purposes.	high
#D013	chrome finishing facilities	chromium operations, hereafter referred to as “chrome finishing facilities,” including chromium plating, chromium anodizing, chromic acid etching, and chromate conversion coating operations	high
#D014	indirect dischargers	A facility that discharges pollutants to a publicly owned treatment works (municipal sewage treatment plant).	high
#D015	direct discharging	A point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans.	high
#D016	total metal discharge	the sum of the individual concentrations of copper, nickel, chromium and zinc.	high
#D017	POTWs	publicly owned treatment works	high
#D018	PSES	Pretreatment Standards for Existing Sources	high
#D019	NPDES	National Pollutant Discharge Elimination System	high
#D020	Regulated facilities	Regulated facilities have NPDES permits and are designed to withdraw at least 2 million gallons per day from waters of the U.S.	high
#D021	.gov website	belongs to an official government organization in the United States.	high
#D022	Regulated facilities	Regulated facilities have NPDES permits and are designed to withdraw at least 2 million gallons per day from waters of the U.S.	high
#D023	lock or https://	means you’ve safely connected to the .gov website.	high
#D024	*	required	high