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Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 13 - Residuals and Decant Water Management › Section 252:626-13-1 - General

Current through Vol. 41, No. 20, July 1, 2024
(a) Provide for proper disposal of WTP waste
				such as sanitary, laboratory, clarification residuals, softening residuals,
				iron residuals, filter backwash water, and brines.
(b) Do not discharge wastewater to waters of
				the state without first obtaining an OPDES permit from the DEQ.
(c) Discharge sanitary waste from water
				treatment plants, pumping stations, etc., directly to a sanitary sewer system
				or to an on-site waste treatment facility constructed and approved in
				accordance with OAC 252:641 or OAC 252:656.
Added at 18 Ok Reg 1612,
				  eff 6-1-01; Amended at 25 Ok Reg 2304, eff 7-11-08; Amended at 29 Ok Reg 1035,
				  eff 7-1-12
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 13 - Residuals and Decant Water Management › Section 252:626-13-2 - Residuals management plan

Current through Vol. 41, No. 20, July 1, 2024
(a) An
				approved Residuals Management Plan is required for storage, disposal or reuse
				of WTP residuals, including residuals from iron and manganese removal plants.
				When a permit is required, a residuals management plan shall be filed with the
				DEQ and shall include the following:
(1)
				estimate the volume of residuals produced using Appendix F,
(2) method of residuals management and
				storage,
(3) method for drying
				residuals,
(4) characterization of
				residuals, and
(5) method of
				ultimate disposal or reuse.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 13 - Residuals and Decant Water Management › Section 252:626-13-3 - Drying beds

Current through Vol. 41, No. 20, July 1, 2024
Drying beds shall be designed based on the amount of
				  residuals produced and other site specific criteria including climatic
				  conditions, quantity of residuals products, the method and frequency of solids
				  removal, and land requirements. The design shall include the following:
(1) a minimum total filter area, regardless
				of the volume of water to be handled, of 100
				ft2,
(2)
				protection from flooding by surface runoff or floodwaters, in accordance with
				OAC
				252:626-5-3,
(3) drying beds to facilitate maintenance,
				mechanical cleaning, and removal of surface sand and residuals,
(4) drying bed media consisting of a minimum
				of 12 inches of sand, 3 inches of supporting gravel or torpedo sand, and 9
				inches of gravel in graded layers. Wash all sand and gravel to remove
				fines,
(5) drying bed sand with an
				effective size of 0.8 to 1.2 mm and a uniformity coefficient not to exceed 1.7.
				Alternate bed material will be considered on a case-by-case basis,
(6) an adequate under-drainage collection
				system to permit satisfactory discharge of the filtrate to the backwash
				lagoons, and
(7) surface area
				designed so that during any one filtration cycle, no more than 2 feet of
				wastewater will accumulate over the sand surface.
Added at 18 Ok Reg 1612,
				  eff 6-1-01; Amended at 25 Ok Reg 2304, eff 7-11-08; Amended at 29 Ok Reg 1035,
				  eff 7-1-12
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 13 - Residuals and Decant Water Management › Section 252:626-13-4 - Lagoons

Current through Vol. 41, No. 20, July 1, 2024
(a)
General.
Lagoons used for
				the treatment of WTP waste shall be designed, permitted and constructed in
				accordance with OAC 252:656-11. In addition, lagoon designs shall include the
				following:
(1) two or more lagoon cells that
				provide for a minimum residual storage time of six (6) months per lagoon
				cell,
(2) design lagoons for the
				periodic removal of residuals as required in OAC
				252:631-3-19,
(3) a minimum of 3 feet of
				freeboard,
(4) adjustable decanting
				device,
(5) effluent sampling point
				(if lagoon is permitted to discharge),
(6) a pond gauge, to measure the level of
				residuals in the lagoon.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 13 - Residuals and Decant Water Management › Section 252:626-13-5 - Land application of decant water or residuals

Current through Vol. 41, No. 20, July 1, 2024
A permit is required if WTP decant water or WTP residuals are
				  to be land applied from a water treatment plant.Refer to OAC 252:621, 252:627
				  and 252:656 for permit and operations criteria.
Added at 25 Ok Reg 2304,
				  eff 7-11-08; Amended at 29 Ok Reg 1035, eff
				  7-1-12
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 15 - Pumping Facilities › Section 252:626-15-1 - General

Current through Vol. 41, No. 20, July 1, 2024
(a)
Pumping facilities.
(1) Pumping facilities must deliver the
				required pressure and volume of water without impairment of its sanitary
				quality.
(2) Design pumping
				stations to provide the required pressure and volume of water under expected
				suction and discharge head based on a hydraulic analysis of the affected
				area.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 15 - Pumping Facilities › Section 252:626-15-2 - Pumping station building

Current through Vol. 41, No. 20, July 1, 2024
(a)
General construction of building.
(1) Locate pump station buildings on a
				concrete floor at least 6 inches above the surrounding surface and graded to
				prevent the entrance of water.
(2)
				Slope the floor at least 2.5% to a suitable drain.
(3) Construction materials shall be fire and
				weather resistant.
(4) Provide
				openings in the floors, roofs or other locations as needed for removal of
				large, heavy and/or bulky equipment.
(5) Doors must open outward.
(6) Size the building to house all pumping
				equipment and accessories including future units for expected growth with ample
				space around all moving mechanical parts and electrical equipment to ensure
				safety of personnel and permit ready removal or servicing of
				equipment.
(7) Construct all
				portions of the structure below the ground surface of waterproofed concrete or
				other impervious material.
(8)
				Design all floors, dry wells, meter pits, or other compartments not intended to
				contain water to be self-draining to a point where all drippage, condensation,
				cleanup water or spillage will flow away by gravity without possibility of
				backflow under maximum ground water levels or other adverse conditions or
				provide a suitable sump and sump pump to remove water without impairing the
				quality of the water handled by the station.
(9) All construction must be in accordance
				with state and local safety, building, electrical, plumbing, and sanitary
				codes.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 15 - Pumping Facilities › Section 252:626-15-3 - Pumps

Current through Vol. 41, No. 20, July 1, 2024
(a)
General requirements.
(1) All pumping stations shall have a minimum
				of two (2) pumping units. With any pump out of service, the remaining pump(s)
				shall be capable of providing the maximum pumping demand of the
				system.
(2) All pumping stations
				shall have ample capacity to supply the peak demand against the required
				distribution system pressure without dangerous overloading.
(3) All pumping stations shall be driven by
				prime movers able to meet the maximum horsepower condition of the
				pumps.
(4) All pumping stations
				shall be provided with readily available spare parts and tools.
(5) All pumping stations shall be served by
				control equipment that has proper heater and overload protection for air
				temperature encountered.
(6) All
				pumping stations shall provide standby power to ensure the continuous service
				when the primary power has been interrupted. Such a standby power supply shall
				be provided from at least two (2) independent sources or a standby or an
				auxiliary source shall be provided.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 15 - Pumping Facilities › Section 252:626-15-4 - Automatic and remote controlled stations

Current through Vol. 41, No. 20, July 1, 2024
Electrically operate and control all remote controlled
				  stations and install a signaling apparatus. Installation of electrical
				  equipment must meet the applicable state and local electrical
				  codes.
Added at 18 Ok Reg 1612,
				  eff 6-1-01; Amended at 25 Ok Reg 2304, eff
				  7-11-08
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 15 - Pumping Facilities › Section 252:626-15-5 - Appurtenances

Current through Vol. 41, No. 20, July 1, 2024
(a)
Valves.
(1) All pumps must have a non-slam type check
				valve located at each pump casing and a positive closing valve installed on the
				discharge line after the check valve. The check valve must work in conjunction
				with a surge suppressor, wherever conditions warrant.
(2) Provide shut-off valves on suction lines
				to all pumps except vertical turbine pumps. Design and locate valves so that
				disturbance is minimized.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 17 - Finished Water Storage › Section 252:626-17-1 - General

Current through Vol. 41, No. 20, July 1, 2024
(a) Construct tanks of reinforced concrete or
				steel in accordance with AWWA standard specifications. Adequately protect steel
				tanks against corrosion.
(b)
				Provide all tanks with a bypass.
(c) Provide safety equipment in accordance
				with OSHA standards.
(d) Maintain
				sufficient storage capacity to meet domestic demands and fire flow demands,
				where fire protection is provided.
(1)
				Satisfy fire flow requirements pursuant to the
International Fire
				Code,
published by the International Code Council, Inc., 2003 Edition,
Distribution System Requirements for Fire Protection, M
				31,
published by the AWWA, 3rd Edition where
				fire protection is provided.
(2)
				Systems not providing fire protection are required to maintain a minimum
				storage capacity of 24 hours capable of delivering 25 psi throughout the
				distribution system.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 17 - Finished Water Storage › Section 252:626-17-2 - Plant storage

Current through Vol. 41, No. 20, July 1, 2024
(a)
Backwash
				water.
Provide adequate backwash water storage tanks, pump units, or
				finished water storage, to adequately backwash filters.
(b)
Clearwell.
In addition to
				the requirements of OAC
				252:626-17-1(a)
				- (c) and (f) - (r), the following requirements shall apply to clearwells:
(1) Construct the top of the clearwell at
				least 5 feet above the 100-year flood plain.
(2) Size clear wells to provide adequate
				reserves of treated water for filter washing, pumping to distribution, and for
				emergencies.
(3) Do not locate the
				clear well under any part of a building where contamination is
				probable.
(4) Do not allow a common
				wall with any basin holding untreated water.
(5) Construct clearwells to prevent external
				leakage or seepage.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 17 - Finished Water Storage › Section 252:626-17-3 - Pressure tanks

Current through Vol. 41, No. 20, July 1, 2024
Hydropneumatic (pressure) tanks, provided as the only storage
				  facility, are acceptable only in small water systems serving not more than 30
				  homes. Pressure tank storage is not adequate for fire protection purposes.
				  Pressure tanks must meet American Society of Mechanical Engineers Code
				  requirements or an equivalent requirement of state and local laws and
				  regulations for the construction and installation of unfired pressure
				  vessels.
(1) Provide at least 2
				pressure tanks.
(2) Locate the
				tanks above normal ground surface.
(3) Pressure tanks must be completely
				housed.
(4) Design the capacity of
				the wells and pumps in a hydropneumatic system to be at least 10 times the
				average daily consumption rate. The gross volume of the hydropneumatic tank, in
				gallons, must be at least 10 times the capacity of the largest pump, rated in
				gal/min.
(5) Provide diversion
				piping for each tank to permit operating the system while it is being repaired
				or serviced.
(6) Provide each tank
				with:
(A) an access manhole,
(B) a drain, and
(C) control equipment including:
(i) pressure gauge,
(ii) manual air blow-off,
(iii) addition of air, and
(iv) pressure operated start-stop controls
				for the pumps.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 17 - Finished Water Storage › Section 252:626-17-4 - Distribution storage

Current through Vol. 41, No. 20, July 1, 2024
The maximum design variation between high and low levels in
				  storage structures providing pressure to distribution system is 30 feet.
(1)
Drainage.
Design storage
				structures that provide pressure directly to the distribution system so they
				can be isolated from the distribution system and drained for cleaning or
				maintenance without losing pressure in the distribution system. Pipe the drain
				to the ground surface with no direct connection to a sewer or storm
				drain.
(2)
Level
				controls.
Provide adequate controls to maintain levels in distribution
				system storage structures.
(A) Control pumps
				by sensing tank water levels and transmitting the signal by telemetering
				equipment when any appreciable head loss occurs in the distribution system
				between the pump and the storage structure.
(B) Provide altitude valves or equivalent
				controls for a second and subsequent structures on the system based on the
				hydraulic profile.
(C) Provide
				overflow and low-level warnings or alarms.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 19 - Distribution System › Section 252:626-19-1 - General

Current through Vol. 41, No. 20, July 1, 2024
(a)
Pressure Requirements.
Design the distribution system to provide a minimum of 25 psi throughout the
				distribution system under normal operating conditions including peak demand and
				fire flows where fire protection is provided.
(b)
Hydraulic analysis.
Submit a
				hydraulic analysis of the system that demonstrates:
(1) a minimum of 25 psi shall be maintained
				throughout the distribution system during peak demand, and
(2) that flows are calculated at not less
				than one (1) gallon per minute per service connection.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 19 - Distribution System › Section 252:626-19-2 - Installation of piping

Current through Vol. 41, No. 20, July 1, 2024
(a)
Standards.
The standards in this Section apply to the installation
				of piping in public water supply distribution systems. Specifications must
				incorporate the provisions of the AWWA standards.
(b)
Bedding.
Provide continuous
				and uniform bedding in the trench for all buried pipe. Tamp backfill material
				in layers around the pipe and to a sufficient height above the pipe to
				adequately support and protect the pipe. Remove all stones found in the trench
				to a depth of at least 6 inches below the bottom of the pipe.
(c)
Cover.
Provide all water
				mains with at least 30 inches of cover or with sufficient insulation to prevent
				freezing.
(d)
Blocking.
Provide reaction blocking, tie rods, or joints designed
				to prevent movement at all tees, bends, plugs and hydrants to prevent movement
				of the pipe.
(e)
Pressure and
				leakage testing.
Test the installed pipe for leakage in accordance with
				AWWA standard specifications. Leakage must not exceed 10 gal/inch diameter per
				mile of pipe per 24 hours at 150 psi testing pressure.
(f)
Disinfection and testing.
Disinfect all waterlines according to AWWA standard specifications. Obtain safe
				bacteriological samples on two consecutive days before placing the waterline
				into service.
(g)
Permeation
				of system by organic compounds.
Where distribution lines are installed
				in areas of soil or groundwater contamination by organic compounds use:
(1) pipe and joint materials that are not
				subject to permeation by organic compounds.
(2) non-permeable materials for all portions
				of the system including water mains, service connections, and hydrant
				leads.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 19 - Distribution System › Section 252:626-19-3 - Water main design for all systems providing fire protection

Current through Vol. 41, No. 20, July 1, 2024
(a)
Sizing of mains.
Size all
				lines after a hydraulic analysis pursuant to the
International Fire
				Code,
published by the International Code Council, Inc., 2003 Edition,
Distribution System Requirements for Fire Protection, M
				31,
published by the AWWA, 3rd Edition or
				other recommendations of similar organizations for the fire service area. The
				minimum main size is 6 inches in diameter.
(b)
Hydrants.
(1) Fire hydrants must have a 4-1/2 inch
				pumper outlet and at least two 2-1/2 inch hose outlets.
(2) Fire hydrants shall only be connected to
				water systems and mains designed to carry fire-flows.
(3) Locate and space hydrants pursuant to the
International Fire Code,
published by the International Code
				Council, Inc., 2003 Edition,
Distribution System Requirements for Fire
				Protection, M 31,
published by the AWWA, 3rd
				Edition or other recommendations of similar organizations for the fire service
				area.
(4) The minimum hydrant lead
				size is 6 inches in diameter.
(5)
				Provide a shut-off valve to allow hydrant maintenance or replacement.
(6) The lowest outlet shall be installed no
				less than 18 inches above the surrounding grade and the operating nut higher
				than 4 feet above grade.
(7) Drains
				from fire hydrant barrels shall not be connected to sanitary sewers or storm
				drains.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 19 - Distribution System › Section 252:626-19-4 - Water main design for systems providing domestic water only

Current through Vol. 41, No. 20, July 1, 2024
This section applies only to water systems without full fire
				  protection capabilities.
(1)
Sizing of mains.
Size all water mains after a hydraulic analysis
				based on flow demand of not less than 1 gal/min per service connection. The
				minimum size of water mains is 2 inches in diameter.
(2)
Hydrants.
Fire hydrants with
				pumper outlets shall not be connected to water systems or mains unless the
				system is designed to carry fire-flows.
(3)
Valves.
Locate valves at not
				more than 1 mile intervals and at all branch lines from the main
				line.
Added at 18 Ok Reg 1612,
				  eff 6-1-01; Amended at 25 Ok Reg 2304, eff
				  7-11-08
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 21 - Design Standards for Minor Systems [Revoked] › Section 252:626-21-1 - General requirements for permittees [REVOKED]

Current through Vol. 41, No. 20, July 1, 2024
Added at 18 Ok Reg 1612,
				  eff 6-1-01; Revoked at 25 Ok Reg 2304, eff
				  7-11-08
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 21 - Design Standards for Minor Systems [Revoked] › Section 252:626-21-2 - Water wells [REVOKED]

Current through Vol. 41, No. 20, July 1, 2024
Added at 18 Ok Reg 1612,
				  eff 6-1-01; Revoked at 25 Ok Reg 2304, eff
				  7-11-08
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Subchapter 21 - Design Standards for Minor Systems [Revoked] › Section 252:626-21-3 - Slow sand filter systems [REVOKED]

Current through Vol. 41, No. 20, July 1, 2024
Added at 18 Ok Reg 1612,
				  eff 6-1-01; Revoked at 25 Ok Reg 2304, eff
				  7-11-08
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Appendix A - Piping Color Code

Current through Vol. 41, No. 20, July 1, 2024
Figure
				1
Added at 18 Ok Reg 1612,
				eff 6-1-01; Revoked and reenacted at 25 Ok Reg 2304, eff
				7-11-08
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Appendix C - Steel Pipe

Current through Vol. 41, No. 20, July 1, 2024
Figure
				1
Added at 18 Ok Reg 1612,
				eff 6-1-01; Revoked and reenacted at 25 Ok Reg 2304, eff
				7-11-08
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 626 - Public Water Supply Construction Standards › Appendix E - Gravel Support for Rapid Rate Slow Sand Filters

Current through Vol. 41, No. 20, July 1, 2024
Click to
				view image
Click to
				view image
Added at 18 Ok Reg 1612,
				eff 6-1-01; Revoked and reenacted at 25 Ok Reg 2304, eff
				7-11-08
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 627 - Operation and Maintenance of Water Reuse Systems › Subchapter 1 - General Provisions › Section 252:627-1-1 - Purpose and authority

Current through Vol. 41, No. 20, July 1, 2024
(a)
Purpose.
This Chapter establishes the operating requirements for
				water reuse systems that are permitted or qualify to be permitted under OAC
				252:656.
(b)
Authority.
This Chapter is authorized by 27A O.S. §§
				2-6-101 through 2-6-105, 27A O.S. §§ 2-6-401 through 2-6-403, and 27A
				O.S. §§ 2-6-501.
(c)
Applicability.
The rules in this Chapter apply to any person or
				entity that owns, operates and/or has been permitted to construct a water reuse
				system in accordance with OAC 252:656.
Added at 29 Ok Reg 1044,
				  eff 7-1-12
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 627 - Operation and Maintenance of Water Reuse Systems › Subchapter 1 - General Provisions › Section 252:627-1-2 - Definitions

Current through Vol. 41, No. 20, July 1, 2024
In addition to the definitions contained in the Environmental
				  Quality Code (27A O.S. § 2-1-101
et seq
.), the following
				  words and terms, when used in this Chapter, shall have the following meaning,
				  unless the context clearly indicates otherwise:
"Bypass"
means the intentional or unintentional
				  diversion of a waste stream from any portion of a wastewater treatment system
				  or a water reuse system.
"Cell"
means an individual basin of a lagoon
				  system.
"DEQ"
means the Oklahoma Department of
				  Environmental Quality.
"Discharge"
means any intentional or
				  unintentional release by leaking, pumping, pouring, emitting, emptying,
				  dumping, escaping, seeping, overflowing, leaching or other means of release of
				  wastewater or reclaimed water into any waters of the state or into or on any
				  location where they may enter waters of the state.
"End-of-pipe"
means the terminal points in all
				  reclaimed water users'distribution systems.
"Lagoon"
means a soil or lined basin, either
				  below or above ground level, that is designed, maintained and operated to
				  store, recycle and/or treat wastewater.
"Operator"
means the individual who is properly
				  certified by DEQ and who is responsible for the maintenance and operation of a
				  water reuse system.
"MOR"
means Monthly Operation Report.
"Person"
means any individual, company,
				  corporation, government agency, municipality, or any other entity.
"Reclaimed water"
means wastewater that has gone
				  through various treatment processes to meet specific water quality criteria
				  with the intent of being used in a beneficial manner.
"Supplier"
means a person or entity that treats
				  and provides reclaimed water pursuant to a permit issued by DEQ.
"Treatment works"
means any plant, disposal
				  field, lagoon, incinerator or other facility used to treat, stabilize, hold or
				  reclaim wastewater.
"User"
means a person or entity that uses
				  reclaimed water. In those instances in which the supplier and the user are the
				  same entity, the entity is a "supplier" subject to the provisions of this
				  Chapter.
"Water reuse system"
means a treatment and
				  distribution system designed to treat and supply reclaimed water.
"Wetted perimeter"
means the area where a land
				  application device distributes reclaimed water.
Added at 29 Ok Reg 1044,
				  eff 7-1-12
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 627 - Operation and Maintenance of Water Reuse Systems › Subchapter 1 - General Provisions › Section 252:627-1-3 - Permit requirements

Current through Vol. 41, No. 20, July 1, 2024
(a)
Requirement for Permit to Construct.
No one shall construct,
				modify or operate a water reuse system without first obtaining a Permit to
				Construct pursuant to OAC 252:656.
(b)
Requirement for Permit to
				Supply.
No one shall supply reclaimed water without first obtaining a
				Permit to Supply pursuant to this Section, except when using reclaimed water
				within the wastewater treatment plant boundaries pursuant to Category
				6.
(c)
Applications for
				Permits to Supply.
Applications for Permits to Supply Reclaimed Water
				shall be submitted to DEQ at least six (6) months prior to the anticipated
				start date for supplying reclaimed water and shall include the following:
(1) a complete and signed
				application;
(2) the required
				permit application fee;
(3) a copy
				of the Permit(s) to Construct the water reuse treatment and distribution
				system; and
(4) a copy of the
				binding user agreement between the supplier and each user of the reclaimed
				water.
(A) Agreements between suppliers and
				users of Categories 2 through 4 reclaimed water shall contain the following
				minimum provisions:
(i) A statement that the
				user shall operate all reclaimed water distribution systems in compliance with
				all applicable DEQ regulations.
(ii) A statement that the user shall allow
				the supplier reasonable access to all site(s) to determine whether the user is
				operating its facilities in compliance with the applicable DEQ regulations,
				and/or performing all required monitoring and analysis.
(iii) Documentation evidencing the user's
				legal interest in all locations where reclaimed water is being used.
(B) Category 5 user agreements are
				subject to the provisions of OAC
				252:656-25-2(d).
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 627 - Operation and Maintenance of Water Reuse Systems › Subchapter 1 - General Provisions › Section 252:627-1-4 - Compliance required

Current through Vol. 41, No. 20, July 1, 2024
Suppliers shall ensure that water reuse systems are operated
				  pursuant to the terms of permits issued by DEQ and this Chapter. When in
				  conflict, the terms of the permit shall supersede the requirements of this
				  Chapter. Suppliers shall immediately stop supplying reclaimed water whenever
				  the reclaimed water does not meet the requirements in Appendix A for chlorine
				  residual, turbidity and/or fecal coliform.
Added at 29 Ok Reg 1044,
				  eff 7-1-12
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 627 - Operation and Maintenance of Water Reuse Systems › Subchapter 1 - General Provisions › Section 252:627-1-5 - General requirements for water reuse systems

Current through Vol. 41, No. 20, July 1, 2024
(a)
Unauthorized wastes.
Suppliers shall take reasonable measures to prevent the introduction of
				unauthorized industrial wastewater, hazardous substances, chemicals or wastes
				into water reuse systems.
(b)
Protection of potable water supplies.
Suppliers shall prevent
				cross-connections between wastewater, water reuse and potable water
				supplies.
(c)
Discharges
				prohibited.
Suppliers shall ensure that all parts of water reuse systems
				are operated and maintained so that there are no unpermitted bypasses or
				discharges of wastewater or reclaimed water from the system. All such bypasses
				and/or discharges shall be considered violations of this Chapter and shall be
				subject to enforcement as an unpermitted discharge to waters of the state in
				violation of the Oklahoma Pollutant Discharge Elimination System Act.
(1)
Reporting requirement.
Suppliers shall ensure that any and all bypasses and/or discharges from water
				reuse systems are reported to DEQ at (800) 522-0206 within 24-hours of an
				incident and that a completed and signed DEQ Form 605-011 "Self Reporting
				Wastewater Bypass Form" is submitted to DEQ within five (5) days of the
				incident.
(2)
Required
				response.
Suppliers shall ensure that immediate action is taken to stop,
				contain, clean up and prevent recurrence of bypasses or discharges.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 627 - Operation and Maintenance of Water Reuse Systems › Subchapter 1 - General Provisions › Section 252:627-1-6 - Permitted uses of reclaimed water

Current through Vol. 41, No. 20, July 1, 2024
The following are the permitted uses of reclaimed water by
				  category:
(1)
Category 1.
Reserved
(2)
Category
				2.
Category 2 reclaimed water shall only be used for the permitted uses
				in Categories 3, 4 and 5, and:
(A) drip
				irrigation on orchards or vineyards;
(B) spray or drip irrigation on sod farms,
				public access landscapes and public use areas/sports complexes, including
				unrestricted access golf courses;
(C) toilet and urinal flushing;
(D) fire protection systems;
(E) commercial closed-loop air conditioning
				systems;
(F) vehicle and equipment
				washing (excluding self-service car washes);
(G) range cattle watering; and
(H) make-up water for oil and gas
				production.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 627 - Operation and Maintenance of Water Reuse Systems › Subchapter 1 - General Provisions › Section 252:627-1-7 - Annual fees for water reuse systems

Current through Vol. 41, No. 20, July 1, 2024
(a)
Fees.
Each water reuse
				system shall be charged an annual fee. [See 27A O.S. § 2-3-402] The annual
				fee for suppliers shall be:
(1) Category 2 -
				$700.00
(2) Category 3 -
				$400.00
(3) Category 4 -
				$200.00
(4) Category 5 -
				$100.00
(5) Water reuse systems
				will be charged an additional $50.00 per user if the supplier does not have a
				DEQ approved inspection program.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 627 - Operation and Maintenance of Water Reuse Systems › Subchapter 3 - Operation and Maintenance › Section 252:627-3-1 - Distribution system

Current through Vol. 41, No. 20, July 1, 2024
(a)
Maintenance.
Suppliers shall maintain the structural integrity of
				all parts of the distribution system and maintain it in good working
				order.
(b)
Connections.
Suppliers shall maintain the integrity of the
				distribution system by inspecting all connections to the distribution
				system.
(c)
Erosion
				control.
Suppliers shall provide erosion protection for all parts of the
				distribution system located in or near waterways or flood plains.
(d)
Pump stations.
Suppliers
				shall ensure that pump stations are properly maintained and operated by doing
				the following:
(1) Securing pump stations to
				prevent unauthorized access.
(2)
				Maintaining the pumps in working condition.
(3) Keeping the screens free of debris to
				prevent clogging.
(4) Maintaining
				the required alarms in working order.
(5) Maintaining the required back-up
				generators and/or portable engine driven pumps in working order.
(6) Maintaining a complete set of operational
				instructions, emergency procedures and maintenance schedules.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 627 - Operation and Maintenance of Water Reuse Systems › Subchapter 3 - Operation and Maintenance › Section 252:627-3-2 - Requirements for using Category 2 reclaimed water

Current through Vol. 41, No. 20, July 1, 2024
(a)
Operation and maintenance.
The following operation and maintenance requirements shall apply to areas where
				Category 2 reclaimed water is used:
(1)
Legal access to site.
Suppliers shall have continued legal access
				to all areas where Category 2 reclaimed water from suppliers' systems is
				used.
(2)
Equipment
				maintenance.
Suppliers shall ensure that all distribution and irrigation
				equipment is maintained in working order.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 627 - Operation and Maintenance of Water Reuse Systems › Subchapter 3 - Operation and Maintenance › Section 252:627-3-3 - Requirements for using Categories 3 and 4 reclaimed water

Current through Vol. 41, No. 20, July 1, 2024
(a)
Operation and maintenance.
The following operation and maintenance requirements shall apply to areas where
				Categories 3 or 4 reclaimed water is used:
(1)
Legal access to site.
Suppliers shall have continued legal access
				to all areas that are being irrigated with Category 3 or 4 reclaimed
				water.
(2)
Equipment
				maintenance.
Suppliers shall ensure that all distribution and irrigation
				equipment is maintained in working order.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 627 - Operation and Maintenance of Water Reuse Systems › Subchapter 3 - Operation and Maintenance › Section 252:627-3-4 - Requirements for using Category 5 reclaimed water

Current through Vol. 41, No. 20, July 1, 2024
(a)
Operation and maintenance.
The following operation and maintenance requirements shall apply to areas where
				Category 5 reclaimed water is used for irrigation:
(1)
Fencing.
Suppliers are
				responsible for ensuring that any required fencing is maintained in order to
				prevent unauthorized access to the site.
(2)
Signs.
Suppliers are
				responsible for ensuring that the required signs, which describe the nature of
				the facility and advise against trespassing are posted on or near the fence on
				each side of the water reuse site.
(3)
Legal access and control of
				site.
Suppliers shall ensure that Category 5 reclaimed water is applied
				on sites to which suppliers have legal access and control pursuant to the
				provisions of OAC
				252:656-25-2(d).
(4)
Prohibition in public use
				area.
Category 5 reclaimed water shall not be applied to any public use
				areas.
(5)
Equipment
				maintenance.
Suppliers shall ensure that all irrigation equipment is
				maintained and in working order.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 627 - Operation and Maintenance of Water Reuse Systems › Subchapter 3 - Operation and Maintenance › Section 252:627-3-5 - Requirements for using Category 6 reclaimed water Signs

Current through Vol. 41, No. 20, July 1, 2024
Yard hydrants and hose bibs must have signs containing the
				  cautionary language found in OAC
				  252:656-27-4(a).
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 627 - Operation and Maintenance of Water Reuse Systems › Subchapter 5 - Sampling, Record Keeping and Reporting Requirements › Section 252:627-5-1 - Sampling, reporting and record keeping requirements

Current through Vol. 41, No. 20, July 1, 2024
(a)
Sampling.
Suppliers shall
				comply with the sampling requirements in Appendix A. However, Category 6
				reclaimed water shall not require separate sampling but shall meet effluent
				limits pursuant to the OPDES permit and meet Best Management Practices as
				required in OAC
				252:656-3-10
				Operation and Maintenance Manual.
(b)
Completing MORs.
Suppliers
				shall complete DEQ Form 627-001 "Water Reuse System Monthly Operation Report"
				("MOR") for each month. The MOR shall contain the following information:
(1) The estimated volume of reclaimed water
				produced and distributed to each end user;
(2) The results of each sampling event and:
(A) the name of the person taking each
				sample,
(B) the date and time of
				sampling,
(C) the date and time the
				analysis began, and
(D) the name of
				the laboratory doing the analysis.
(3) The weather conditions during the reuse
				period;
(4) The type of crop, grass
				or vegetation irrigated with the reclaimed water, if applicable; and
(5) The loading rates at each water reuse
				site to verify that agronomic rates are not being exceeded.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 628 - Indirect Potable Reuse for Surface Water Augmentation › Subchapter 1 - General Provisions › Section 252:628-1-1 - Purpose and authority

Current through Vol. 41, No. 20, July 1, 2024
(a)
Purpose.
Planned water reuse is in the public interest and
				requires that municipal wastewater be treated sufficiently in order to meet the
				intended level of reuse.
(b)
Authority.
This Chapter is authorized by 27A O.S. Section
				1-3-101(B)(1),(4),(6),(12) and (18); 27A O.S. Sections 2-6-101 through 2-6-105,
				27A O.S. Sections 2-6-401 through 2-6-403, and 27A O.S. Section 2-6-501. The
				requirements of this Chapter are in addition to those requirements for
				discharge under the federal Clean Water Act and subsequent federal and state
				regulations.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 628 - Indirect Potable Reuse for Surface Water Augmentation › Subchapter 1 - General Provisions › Section 252:628-1-4 - Fees

Current through Vol. 41, No. 20, July 1, 2024
(a)
Fee payment.
Permits will
				not be issued until all fees are paid, and the permittee is current with DEQ
				requirements.
(b)
Construction permit application fees.
All IPR SWTP construction
				permit applications shall be charged an application fee. Fees for IPR SWTP
				construction are based on the design flow of the wastewater treatment plant,
				including the IPR SWTP. The fees are as follows:
(1) New facilities and major modifications
				that alter the original design or the design capacity: $18,160.00;
				and
(2) Minor modifications that
				will not alter the design capacity of the facility such as flow measurement,
				discharge structures, and equalization basins: $2,724.00.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 628 - Indirect Potable Reuse for Surface Water Augmentation › Subchapter 3 - Benchmarks and Implementation for IPR Source Water Discharges › Section 252:628-3-1 - General provisions

Current through Vol. 41, No. 20, July 1, 2024
(a)
IPR
				benchmarks.
IPR Source Water discharges shall, at a minimum, meet the
				IPR benchmarks contained in this Sub-chapter and in Appendix A of this Chapter.
				More stringent effluent limitations may be established on a case-by-case basis
				if determined necessary to protect human health. The IPR SWTP treatment
				processes shall be capable of producing an effluent that meets the limits
				specified in Appendix A of this Chapter in addition to effluent limitations
				developed in accordance with OAC 252:606 and OAC 252:690.
(b)
Quantitative data.
Data
				collected for the monitoring of IPR Source Water discharges shall use
				analytical methods listed at 40 CFR Part 136 or other EPA-approved methods.
				Where there is no approved analytical method, the permittee shall fully
				describe the method used for DEQ review and obtain written approval prior to
				utilizing these data. All data submitted shall be defensible analytical data.
				Reporting and record-keeping shall be in accordance with Subchapter 7 of this
				Chapter.
(c)
Measurable
				levels.
Measurable levels for the monitoring of IPR Source Water
				discharges shall comply with the MQL requirements of OAC
				252:690-3-2
				and Appendix B of OAC 252:690. Where a monitored parameter has an established
				MQL, DEQ will include a provision in the permit requiring measurable levels to
				be less than or equal to the MQL. Where there is no established MQL, the
				permittee shall fully describe the method and MQL used for DEQ review and
				obtain written approval prior to utilizing these data. Data will be
				characterized as outlined in OAC
				252:690-3-2.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 628 - Indirect Potable Reuse for Surface Water Augmentation › Subchapter 3 - Benchmarks and Implementation for IPR Source Water Discharges › Section 252:628-3-2 - Other rules apply

Current through Vol. 41, No. 20, July 1, 2024
(a) The IPR
				benchmarks established by this Subchapter apply in addition to other rules for
				wastewater discharges, including OAC 252:730, OAC 252:740, OAC 252:301, OAC
				252:606 and OAC 252:690. For parameters which are subject to both the IPR
				benchmarks established by this Subchapter and effluent limitations developed in
				accordance with OAC 252:606 and OAC 252:690, the more stringent effluent
				limitations and monitoring requirements shall apply.
(b) IPR Source Water discharges shall
				maintain existing and designated beneficial uses; shall not cause or contribute
				to a violation of narrative and numeric criteria; and shall be consistent with
				anti-degradation policy established in the OWQS.
(c) IPR Source Water discharges to SWS-R
				waterbodies shall not consume more than the portion of the assimilative
				capacity determined and allocated to the discharger in accordance with OAC
				252:730, OAC 252:740, OAC 252:606 and OAC 252:690.
(d) IPR Source Water discharges to lakes
				shall be at least as protective as Oklahoma's Discharges to State Lakes policy
				as described in Oklahoma's Continuing Planning Process (CPP)
				document.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 628 - Indirect Potable Reuse for Surface Water Augmentation › Subchapter 3 - Benchmarks and Implementation for IPR Source Water Discharges › Section 252:628-3-3 - IPR benchmarks for pathogens

Current through Vol. 41, No. 20, July 1, 2024
(a)
Disinfection.
IPR Source Water shall be disinfected in accordance
				with OAC 252:656-21. The method of disinfection from secondary treated effluent
				to IPR end of pipe discharge shall achieve:
(1) 5-log removal or inactivation of
				adenovirus type 15;
(2) 5-log
				removal or inactivation of Salmonella ty-phimurium;
(3) 3-log removal or inactivation of
				Cryptosporidium oocysts; and
(4)
				3-log removal or inactivation of Giardia lamblia cysts.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 628 - Indirect Potable Reuse for Surface Water Augmentation › Subchapter 3 - Benchmarks and Implementation for IPR Source Water Discharges › Section 252:628-3-4 - General IPR benchmarks

Current through Vol. 41, No. 20, July 1, 2024
(a)
				CBOD5 shall not exceed 5.0 milligrams per liter daily
				maximum and shallbemonitored inaccordance with minimum control test
				requirements for BOD5 established in Appendix A of OAC
				252:606. DEQ may increase the monitoring frequency for
				CBOD5 for a period not to exceed two years during the
				initial permit cycle for the purpose of establishing the pattern and extent of
				variation for a given pollutant.
(b) Flow shall be monitored continuously and
				recorded.
(c) pH shall be within
				the range of 6.5 standard units to 9.0 standard units and shall be monitored in
				accordance with minimum control test requirements established in Appendix A of
				OAC252:606. Where pH is monitored continuously, excursions from this pH range
				which are permitted in accordance with 40 CFRPart 401.17 shall not be subject
				to the requirements of OAC 252:628-3-10.
(d) TOC shall be monitored daily, or as
				approved by DEQ.
(e) TSS shall not
				exceed 5 milligrams per liter daily maximum and shall be monitored in
				accordance with minimum control test requirements established in Appendix A of
				OAC 252:606. Requirements for more frequent monitoring may be established on a
				case-by-case basis.
(f) Turbidity
				shall be monitored continuously. Continuous turbidity recording equipment shall
				be provided on the effluent piping and connected to an alarm system to warn
				operators of an excessive turbidity breakthrough. Turbidity shall meet the
				following:
(1) Turbidity shall not exceed a
				daily average of 2 NTU. The daily average turbidity is calculated as the
				average of turbidity measure stakenat intervals not to exceed 1.2 hours over a
				period of 24 hours;
(2) Turbidity
				shall not exceed 10 NTU at any time; and
(3) No more than 5% of the daily values shall
				exceed five (5) NTU per month. The maximum 24 hour turbidity shall be based on
				the highest measure from continuous monitoring taken at intervals not to exceed
				1.2 hours over a 24 hour period.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 628 - Indirect Potable Reuse for Surface Water Augmentation › Subchapter 3 - Benchmarks and Implementation for IPR Source Water Discharges › Section 252:628-3-5 - IPR primary benchmarks

Current through Vol. 41, No. 20, July 1, 2024
(a)
Primary benchmarks.
IPR Source Water shall be treated to meet the
				primary benchmarks established in Appendix A of this Chapter in accordance with
				the following:
(1)
Non-conservative
				parameters.
Refer to Appendix A of this Chapter for the list of primary
				non-conservative parameters.
(A) Primary
				benchmarks shall apply at end of pipe.
(B) Effluent limitations and monitoring
				requirements shall be established in the permit for those parameters with
				primary benchmarks which are demonstrated or believed to be present in the IPR
				Source Water discharge based on information in the OPDES discharge permit
				application or other available data.
(C) The primary benchmarks for parameters
				identified in this paragraph shall be applied as daily maximum permit limits in
				the OPDES discharge permit. Monthly average permit limits shall be established
				as two-thirds times the daily maximum permit limits.