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Document ID us-ogeeg-2025-06-20 Title Oil and Gas Extraction Effluent Guidelines URL https://www.epa.gov/eg/oil-and-gas-extraction-effluent-guidelines Jurisdiction /us Subdomain(s) none Language Status completed Analyzed at 2026-05-12 04:26:34.931534+00:00 Relevance inventory_targeted_fetch

3 Qualitative 2 Quantitative 33 Definitions

Q Qualitative Requirements (3)

Req ID	Category	Intent	Legal Status	Name	Subdomain(s)	Context	Conditions	Confidence
#Q001	administrative	operational	mandatory	Subpart E Discharge Allowance	wastewater, agricultural water, other	The regulations at 40 CFR 435 Subpart E allow for discharge of produced water from onshore facilities into navigable waters west of the 98th meridian if the produced water has a use in agriculture or wildlife propagation.	Applies to onshore facilities discharging into navigable waters west of the 98th meridian; produced water must have a use in agriculture or wildlife propagation.	high
#Q002	operational	operational	mandatory	Beneficial Use Discharge Condition	wastewater, agricultural water, other	The regulations in Subpart E allow for discharge of produced water west of the 98th meridian, if the produced water is of good enough quality to be used for wildlife or livestock watering or other agricultural uses and the produced water is actually put to such use during periods of discharge.	Produced water must be of sufficient quality for wildlife, livestock, or agricultural use and must actually be put to such use during periods of discharge west of the 98th meridian.	high
#Q003	prohibition	treatment	mandatory	Unconventional Oil and Gas Discharge Prohibition	wastewater	These standards prohibit discharges of wastewater pollutants from onshore unconventional oil and gas (UOG) extraction facilities to publicly owned treatment works.	Applies to onshore unconventional oil and gas (UOG) extraction facilities.	high

P Quantitative Requirements (2)

Req ID	Category	Intent	Legal Status	Name	Subdomain(s)	Limit Type	Limit Value	Context	Conditions	Confidence
#R001	physical	operational	mandatory	Geographic limit for produced water discharge	agricultural water, aquatic life	requirement	98 meridian	Discharge of produced water from onshore facilities into navigable waters	Produced water must have a use in agriculture or wildlife propagation; applicable west of the 98th meridian	high
#R002	operational	treatment	mandatory	Unconventional Oil and Gas discharge limit to POTWs	wastewater	requirement	0 discharge	Prohibition of discharges of wastewater pollutants from onshore unconventional oil and gas (UOG) extraction facilities to publicly owned treatment works (POTWs)		high

D Definitions (33)

Req ID	Name	Context	Confidence
#D001	Produced water	The fluid brought up from the hydrocarbon-bearing strata during the extraction of oil and gas, and includes, where present, formation water, injection water, and any chemicals added downhole or during the oil/water separation process. [40 CFR 435.11(bb); 435.33(a)(2)(v); 435.41(bb)]	high
#D002	Produced sand	The slurried particles used in hydraulic fracturing, the accumulated formation sands and scales particles generated during production. Produced sand also includes desander discharge from the produced water waste stream, and blowdown of the water phase from the produced water treating system. [[40 CFR 435.11(aa); 435.33(a)(2)(iv); 435.41(aa)]	high
#D003	NPDES	National Pollutant Discharge Elimination System	high
#D004	NAICS	North American Industrial Classification System	high
#D005	BAT	Best Available Technology	high
#D006	BCT	Best Conventional Technology	high
#D007	NSPS	New Source Performance Standards	high
#D008	PSES	Pretreatment Standards for Existing Sources	high
#D009	PSNS	Pretreatment Standards for New Sources	high
#D010	BPT	Best Practicable Technology	high
#D011	Ores	metal-bearing rock	high
#D012	Dressing	picking, sorting, washing of ores	high
#D013	Milling	crushing, grinding, etc.	high
#D014	Beneficiation	processing to improve purity/quality	high
#D015	Smelting	heating the ore mixtures to separate liquid metal and impurities	high
#D016	BPT	Best Practicable Technology Currently Available	high
#D017	BAT	Best Available Technology Economically Achievable	high
#D018	NSPS	New Source Performance Standards	high
#D019	NPDES	National Pollutant Discharge Elimination System	high
#D020	NAICS	North American Industrial Classification System	high
#D021	direct	A point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans.	high
#D022	indirect	A facility that discharges pollutants to a publicly owned treatment works (municipal sewage treatment plant).	high
#D023	Asphalt emulsion plants	produce blown asphalt (forcing hot air through crude asphalt and mixing with water and chemicals) for use in roofing or paving materials.	high
#D024	Asphalt concrete plants	manufacture paving materials such as black top (asphalt mixed with crushed rock or gravel).	high
#D025	Asphalt roofing plants	manufacture asphalt felts, shingles, and other products, such as impregnated asphalt siding, expansion joints, canal liners, roofing cements, tars and pitches, and tar paper.	high
#D026	Floor covering plants	manufacture linoleum floor coverings and printed asphalt felt floor coverings. The coverings are made by saturating organic felt with asphalt and then painting or embedding a design on one side of the felt.	high
#D027	NAICS	North American Industry Classification System	high
#D028	TSS	total suspended solids	high
#D029	PSNS	Pretreatment Standards for New Sources	high
#D030	new source	facilities that commenced operation after February 26, 1975	high
#D031	Photographic processing	the development or printing of paper prints, slides, negatives, enlargements, movie film, and other sensitized materials.	high
#D032	process wastewater	typically includes film and paper wash water, solution make-up water and area and equipment wash water.	high
#D033	direct discharging	A point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans.	high