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TITLE 252. DEPARTMENT OF ENVIRONMENTAL QUALITY …

Codification through the 2015 legislative 1, 3, 11, 21, 23, Appendix ABoard adoption - February 20, 2015 Approved by Governor's declaration on June 8, 2015 Effective date - September 15, 2015 TITLE 252. DEPARTMENT OF ENVIRONMENTAL QUALITYCHAPTER 656. WATER POLLUTION CONTROL FACILITY CONSTRUCTION STANDARDSS ubchapter1. Introduction..252:656-1. Permit Procedures.. 252:656-35. Sanitary Sewer ..252:656-57. Pump Station ..252:656-79. General Standards..252:656-911. Lagoon ..252:656-1113. Primary Treatment ..252:656-1315. Biological Treatment Standards [REVOKED]..252:656-1516. Biological Treatment ..252:656-1617. Clarifier Standards..252:656-1719. Sludge Facility ..252:656-1921. Disinfection ..252:656-2123. Supplemental Treatment Standards.

Rule. "DEQ" means the Oklahoma Department of Environmental Quality. "Discharge point" means the point at which wastewater enters Waters of the State or become Waters of the State. "Domestic wastewater" means wastewater from drinking fountains, showers, toilets, lavatories and kitchens. "End-of-pipe" means the terminal points in all reclaimed water users' distribution systems.

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Transcription of TITLE 252. DEPARTMENT OF ENVIRONMENTAL QUALITY …

1 Codification through the 2015 legislative 1, 3, 11, 21, 23, Appendix ABoard adoption - February 20, 2015 Approved by Governor's declaration on June 8, 2015 Effective date - September 15, 2015 TITLE 252. DEPARTMENT OF ENVIRONMENTAL QUALITYCHAPTER 656. WATER POLLUTION CONTROL FACILITY CONSTRUCTION STANDARDSS ubchapter1. Introduction..252:656-1. Permit Procedures.. 252:656-35. Sanitary Sewer ..252:656-57. Pump Station ..252:656-79. General Standards..252:656-911. Lagoon ..252:656-1113. Primary Treatment ..252:656-1315. Biological Treatment Standards [REVOKED]..252:656-1516. Biological Treatment ..252:656-1617. Clarifier Standards..252:656-1719. Sludge Facility ..252:656-1921. Disinfection ..252:656-2123. Supplemental Treatment Standards.

2 252:656-2325. Land Application of Reclaimed Water..252:656-2527. wastewater Reuse..252:656-27 Appendix TablesAppendix and/or Final Clarifier Minimum Design CriteriaAppendix AerationAppendix Land ApplicationAppendix of Rainfall and Evaporation Data by County1 SUBCHAPTER 1. INTRODUCTIONS ection252:656-1-1. Applicability252:656-1-2. Definitions252:656-1-3. Permit requirements252:656-1-1. Applicability(a) This chapter sets the permit and construction standards for wastewater collection systems andtreatment works. It does not apply to innovative technology (see 27A 2-6-401), to smallpublic sewage systems as defined in 27A 2-6-101 (also see OAC 252:641, Individual andSmall Public On-Site Sewage Treatment Systems), nor does it apply to industrial wastewater (seeOAC 252:606, oklahoma Pollutant Discharge Elimination System (OPDES) Standards and OAC252:616, Industrial wastewater Systems).

3 There are other rules that also may govern wastewatersystems, such as OAC 252:621, Non-Industrial Flow-Through and Public Water SupplyImpoundments; OAC 252:619, Operation and Maintenance of Non-Industrial Total RetentionLagoon Systems; OAC 252:627, Operation and Maintenance of Water Reuse Systems; OAC252:515, Management of Solid Waste; and the federal OSHA standards.(b) This chapter applies to any person or entity that constructs or modifies a wastewatercollection system or treatment works that is not:(1) a small public sewage treatment system as defined in 27A 2-6-101, or (2) an industrial wastewater :656-1-2. DefinitionsIn addition to terms defined in TITLE 27A of the oklahoma Statutes, the following words orterms, when used in this Chapter, shall have the following meaning unless the context clearlyindicates otherwise:"25-year flood" means a flood event that has a 4 percent chance of being equaled orexceeded in magnitude in any given year.

4 "100-year flood" means a flood event that has a 1 percent chance of being equaled orexceeded in magnitude in any given year."208 Plan" means an area wide wastewater treatment management plan that states arerequired to submit to EPA for approval pursuant to section 208 of the Clean Water Act, 1288."ASTM" means the American Standard Testing Method and Material."Biosolids" means organically treated wastewater materials from municipal wastewatertreatment plants that are suitable for recycling as a soil amendment. This term is within themeaning of "sludge" as defined in 27A 2-6-101(11). Biosolids are divided into thefollowing classes:(A) Class A Biosolids meets the pathogen reduction requirements of 40 CFR (a);(B) Class B Biosolids meets the pathogen reduction requirements of 40 CFR (b).

5 "BOD" means total 5-day biochemical oxygen demand."Bypass" means the intentional or unintentional diversion of a waste stream from anyportion of a wastewater treatment system."CBOD" means 5-day carbonaceous biochemical oxygen demand."Cell" means an individual basin of a lagoon system."cfm" means cubic feet per minute."Collection system" means pipelines or conduits, pumping stations, force mains and allother facilities used to collect or conduct wastewater to a treatment works."CT" means the product of residual disinfectant concentration, (C) in (mg/l), and thecorresponding disinfectant contact time (T) in minutes, , C x T. CT requirements for a varietyof disinfectants and conditions are in the EPA Guidance Manual to the Surface Water Treatment2 Rule.

6 "DEQ" means the oklahoma DEPARTMENT of ENVIRONMENTAL QUALITY ."Discharge point" means the point at which wastewater enters Waters of the State orbecome Waters of the State."Domestic wastewater " means wastewater from drinking fountains, showers, toilets,lavatories and kitchens."End-of-pipe" means the terminal points in all reclaimed water users' distribution systems."Engineer" means a person licensed to practice engineering in oklahoma ."fps" means feet per second."Freeboard" means the vertical distance from the surface water level to the overflowelevation in a treatment unit."GPM" means gallons per minute."Land application" means the controlled application of treated wastewater onto the landsurface for beneficial use."MGD" or "mgd" means million gallons per day.

7 "MLSS" means mixed liquor suspended solids."MLVSS" means mixed liquor volatile suspended solids."New technology" means any method, process or equipment which is used to treat orconvey sewage which is not addressed in this Chapter. This does not refer to innovativetechnology as defined by 40 CFR Part 35."NPDES" means the National Pollution Discharge Elimination System."OAC" means oklahoma Administrative Code."OSHA" means the Occupational Health and Safety Administration."Open storage basin" means an uncovered basin, below or above ground level, that isdesigned, maintained and operated to store Category 2 or 3 reclaimed water."Person" means any individual, company, corporation, government agency, municipality, orany other entity."Population equivalent" and "PE" mean the calculated population which would normallycontribute the same amount of biochemical oxygen demand (BOD) per day of wastewater .

8 It iscomputed on the basis of lb. of 5-day BOD per capita per day."PSRP" means process to significantly reduce pathogens."PVC" means polyvinyl chloride."Reclaimed water" means wastewater that has gone through various treatment processes tomeet specific water QUALITY criteria with the intent of being used in a beneficial manner."Retention time" means the theoretical time required to displace the contents of a tank ortreatment unit at a given rate of flow (volume divided by rate of flow)."Riprap" means a permanent, erosion resistant ground cover that consists of hard, sounddurable stones that average in weight between thirty to fifty pounds (30-50 lbs), with no morethan twenty percent (20%) weighing less than twenty pounds (20 lbs).

9 "Service line" means a wastewater line that connects an individual home, building orbusiness to a permitted collection system."Total Kjeldahl nitrogen (TKN)" means the total of the organic and ammonia nitrogen."Treatment works" means any plant, disposal field, lagoon, incinerator or other facilityused to treat, stabilize, hold or reclaim non-industrial wastewater ."UL" means Underwriters Laboratories Inc." " means United States Code."Variation" means change from the adopted or current standards for equipment, material orprocess." wastewater system" means a collection system and treatment works."Water reuse system" means a treatment and distribution system designed to treat andsupply reclaimed :656-1-3. Permit requirements(a)Permit to construct.

10 No one shall construct, modify or put into operation a wastewater3system or a water reuse system without first obtaining a permit to construct from DEQ. Permitsto construct will not be issued for new Category 4 restricted golf course irrigation systemspending further research and evaluation of performance data collected from existing systems.(b)Permit to supply. No one shall supply reclaimed water without first obtaining a permit tosupply from DEQ, except when using reclaimed water within the wastewater treatment plantboundaries pursuant to Category 3. PERMIT PROCEDURESS ection252:656-3-1. Permitting process252:656-3-2. Applications252:656-3-3. Municipal exemptions252:656-3-4. Engineering report252:656-3-5. Plans and specifications252:656-3-6.


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