Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 606 - Oklahoma Pollutant Discharge Elimination System (OPDES) Standards › Subchapter 1 - Introduction › Section 252:606-1-1 - Purpose

Current through Vol. 41, No. 20, July 1, 2024
(a)
Intent.
This Chapter sets the point source, biosolids (sewage
				sludge), and stormwater permitting standards for discharges to the waters of
				the State of Oklahoma from those facilities within the jurisdiction of the
				Oklahoma Department of Environmental Quality as specified in Title 27A O.S.
				§
									1-3-101. This Chapter implements
				the Oklahoma Pollutant Discharge Elimination System Act, which begins at Title
				27A O.S. §
									2-6-201 of the Oklahoma Statutes.
				This Chapter applies to any person or entity that land applies biosolids or
				prepares it for firing in a biosolids (sewage sludge) incinerator, in addition
				to those facilities that discharge wastewater to waters of the state.
(b)
Other rules apply.
This
				Chapter applies in addition to other rules. This Chapter governs the effluent
				discharged from municipal wastewater treatment systems (constructed under OAC
				252:656) and industrial wastewater treatment systems (constructed under OAC
				252:616), and current DEQ Laboratory Accreditation rules. The discharges
				regulated by this Chapter must not cause a violation of the Oklahoma Water
				Quality Standards (OAC 252:730).
(c)
Exclusion.
This Chapter does
				not apply to:
(1) discharges from marine
				toilets, as prohibited by Title 63 O.S. §
										4213;
(2) discharges of dredge and fill material
				under the jurisdiction of the United States Corps. of Engineers under Section
				404 of the Federal Clean Water Act. Water in a treatment system is OPDES Permit
				Schedule Violation not waters of the State of Oklahoma;
(3) Septage. See OAC 252:645;
(4) Biosolids pilot studies that are
				conducted by a qualified research institute familiar with the crops and soils
				of this state for the beneficial use of biosolids through land application.
				Such studies are subject to conditions imposed by the DEQ, including:
(A) the limitation of the total amount of
				biosolids used must be no more than 25 dry tons for any one project or 50 dry
				tons for all pilot studies approved by the DEQ for the same institute in the
				same year;
(B) compliance with:
(i) The metal ceilings established in Table 1
				of 40 CFR §
													503.13(b);
(ii) One of the vector attraction reduction
				alternatives; and
(iii) The
				pathogen reduction requirements of
				40 CFR §
													503.32(a);
(C) written approval from the DEQ Executive
				Director or his designee prior to the commencement of operations;
(D) the period during which biosolids may be
				applied to the land is eighteen 18 months or less, unless extended by the
				DEQ;
(E) notification to the DEQ of
				the cessation of land application at the site; and
(F) periodic reporting.
(5) Biosolids co-fired in an incinerator with
				other wastes or for the incinerator in which biosolids and other wastes are
				co-fired are regulated under the appropriate Air Quality Rules. Other wastes do
				not include auxiliary fuel, as defined in
				40 CFR §
											503.41(b), fired in a sewage
				sludge incinerator.
(6) Sludge
				generated at an industrial facility during the treatment of industrial
				wastewater, including sludge generated during the treatment of industrial
				wastewater combined with domestic sewage.
(7) Use of biosolids determined to be
				hazardous in accordance with 40 CFR Part 261 which must be disposed of in a
				manner in accordance with the Oklahoma Hazardous Waste Management Act and rules
				promulgated thereunder;
(8) Ash
				generated during the firing of biosolids in a sewage sludge
				incinerator;
(9) Grit (e.g., sand,
				gravel, cinders, or other materials with a high specific gravity) or screenings
				(e.g., relatively large materials such as rags) generated during preliminary
				treatment of domestic sewage in a treatment works.
(10) Biosolids with a concentration of
				Polychlorinated Biphenyl (PCB) equal to or greater than 10 milligrams per
				kilogram (10.0 mg\kg) of total solids (dry weight basis) may not be land
				applied under this Chapter. Disposal must be in accordance with OAC 252:515
				("Management of Solid Waste" rules) and applicable federal requirements under
				the Toxic Substances Control Act,
				15 U.S.C. §
											2601
et
				seq.