reglab/statecodes huggingface dataset:
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart J - OTHER TREATMENT › Section 604.1000 - Presedimentation

Current through Register Vol. 48, No. 28, July 12, 2024
a) Basin Design:
				presedimentation basins must have the capability for dewatering. These basins
				may include hopper bottoms or a continuous mechanical sludge removal
				apparatus;
b) Inlet:
				short-circuiting must be prevented;
c) Bypass: provisions for bypassing
				presedimentation basins must be included; and
d) Detention time must be adequate. Unless
				otherwise approved by the Agency under Section 604.145(b), three hours
				detention is the minimum period.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart J - OTHER TREATMENT › Section 604.1005 - Anion Exchange

Current through Register Vol. 48, No. 28, July 12, 2024
a)
				Pre-treatment Requirements. Pre-treatment under Section
				604.1010 is required when a
				combination of iron and manganese exceeds
				0.5 mg/L.
b) Anion Exchange Treatment Design
1) Automatic regeneration based on volume of
				water treated must be used unless manual regeneration is justified and is
				approved by the Agency.
2) If a
				portion of the water is bypassed around the units and blended with treated
				water, the following requirements must be met:
A) the maximum blend ratio allowable must be
				determined based on the highest anticipated raw water nitrate level;
				and
B) a totalizing meter and a
				proportioning or regulating device or flow regulating valves must be provided
				on the bypass line.
3) A
				manual override must be provided on all automatic controls.
4) Adequate freeboard must be provided to
				accommodate the backwash flow rate of the unit, ensuring the resin will not
				overflow. The freeboard must be calculated based on the size and specific
				gravity of the resin.
5) The system
				must be designed to include an adequate under drain and supporting gravel
				system and brine distribution equipment.
6) Sampling Taps
A) Smooth-nosed sampling taps must be
				provided for the collection of representative samples.
B) The taps must be located to provide for
				sampling of the softener influent, effluent, and blended water.
C) The sampling taps for the blended water
				must be at least 20 feet downstream from the point of blending.
D) Petcocks are not acceptable as sampling
				taps.
7) Brine and Salt
				Storage Tanks
A) Salt dissolving or brine
				tanks and wet salt storage tanks must be covered and must be
				corrosion-resistant.
B) The make-up
				water inlet must be protected from back-siphonage. Water for filling the tank
				must be distributed over the entire surface by pipes above the maximum brine
				level in the tank. An automatic declining level control system on the make-up
				water line is recommended.
C) Wet
				salt storage basins must be equipped with manholes or hatchways for access and
				for direct dumping of salt from truck or railcar. Openings must be provided
				with raised curbs and watertight covers having overlapping edges similar to
				those required for finished water reservoirs.
D) Overflows, where provided, must be
				protected with corrosion-resistant screens and must terminate with either a
				turned downward bend having a proper free fall discharge or a self-closing flap
				valve.
E) The salt must be
				supported on graduated layers of gravel placed over a brine collection
				system.
F) Alternative designs that
				are conducive to frequent cleaning of the wet salt storage tank may be approved
				by the Agency.
G) Total salt
				storage must provide for at least 30 days of operation.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart J - OTHER TREATMENT › Section 604.1010 - Iron and Manganese Control

Current through Register Vol. 48, No. 28, July 12, 2024
a) Except as provided in 35 Ill. Adm. Code
				611.300(e),
				treatment is required to meet the iron and manganese MCL as stated in Section
				611.300(b).
b) Removal of Iron and Manganese by
				Oxidation, Detention, and Filtration
1)
				Oxidation must be by aeration, as indicated in Subpart D, unless the community
				water supply demonstrates chemical oxidation provides equivalent results to
				aeration. Chemicals that may be used for oxidation include chlorine, sodium
				permanganate, potassium permanganate, ozone, or chlorine dioxide.
2) Detention
A) A minimum detention time of 30 minutes
				must be provided following aeration to ensure that the oxidation reactions are
				complete prior to filtration. This minimum detention time may be modified only
				when a pilot plant study indicates completion of oxidation reactions in less
				time.
B) The reaction
				tank/detention basin must be provided with an overflow, vents, and access
				hatches in accordance with Subpart M.
3) Filtration. Filters must conform to
				Subpart F.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart J - OTHER TREATMENT › Section 604.1015 - Taste and Odor Control

Current through Register Vol. 48, No. 28, July 12, 2024
a)
				Control of taste and odor is required when necessary to meet the requirements
				of 35 Ill. Adm. Code
				601.101(b).
b) Acceptable taste and odor control
				treatments include:
1) chlorination;
2) chlorine dioxide;
3) powdered activated carbon;
4) granular activated carbon;
5) copper sulfate or other copper
				compounds;
6) aeration;
7) potassium permanganate;
8) ozonation; or
9) ultraviolet with hydrogen
				peroxide.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart J - OTHER TREATMENT › Section 604.1020 - Powdered Activated Carbon

Current through Register Vol. 48, No. 28, July 12, 2024
a)
				Powdered activated carbon must be added as early as possible in the treatment
				process to provide maximum contact time to allow the effective and economical
				use of the chemical.
b) Activated
				carbon must not be applied near the point of chlorine or other oxidant
				application.
c) The carbon may be
				added as a pre-mixed slurry or by means of a dry feed machine as long as the
				carbon is properly wetted.
d)
				Continuous agitation or resuspension equipment must be provided to keep the
				carbon from depositing in the slurry storage tank.
e) Provisions must be made for adequate dust
				control.
f) When feeding powdered
				activated carbon for taste and odor control, provisions must be made for adding
				at least 40 mg/L.
g) Powdered
				activated carbon must be handled as a potentially combustible material.
1) A separate room must be provided for
				carbon feed equipment, including a door to allow isolation of the
				room.
2) The separate room must be
				as nearly fireproof as possible.
3)
				Other chemicals must not be stored in the same room as powdered activated
				carbon.
4) Carbon feeder rooms must
				be equipped with explosion-proof electrical outlets, lights and
				motors.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart K - CHEMICAL APPLICATION › Section 604.1100 - General Chemical Application Requirements

Current through Register Vol. 48, No. 28, July 12, 2024
a) Permit Requirement. No chemicals may be
				applied to treat drinking water unless specifically permitted by the
				Agency.
b) Chemical must be applied
				to the water at such points and by such means as to:
1) assure maximum efficiency of
				treatment;
2) assure maximum safety
				to consumers;
3) provide maximum
				safety to operators;
4) assure
				satisfactory mixing of the chemicals with the water;
5) provide maximum flexibility of operation
				through various points of application, when appropriate; and
6) prevent backflow or back siphonage between
				multiple points of feed through common manifolds.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart K - CHEMICAL APPLICATION › Section 604.1105 - Feed Equipment and Chemical Storage

Current through Register Vol. 48, No. 28, July 12, 2024
a) Solution Feed Equipment
1) Corrosion-resistant containers must be
				provided for solution feeders.
2)
				Containers must have non-corrodible covers with overhanging edges. Openings
				must be constructed to prevent contamination.
3) Scales or a volumetric measuring device
				must be provided for determining the amount of solution fed.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart K - CHEMICAL APPLICATION › Section 604.1110 - Protective Equipment

Current through Register Vol. 48, No. 28, July 12, 2024
a)
				Personal protective equipment must be provided consistent with the requirements
				of the CWS safety plan developed under Section 604.160.
b) A deluge shower and eyewashing device must
				be installed where strong acids and alkalis are used or stored. The deluge
				shower and eyewashing device, and the water supply to these devices, must
				comply with applicable provisions of 77 Ill. Adm. Code 890 (the Illinois
				Plumbing Code).
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart K - CHEMICAL APPLICATION › Section 604.1115 - Chlorine Gas

Current through Register Vol. 48, No. 28, July 12, 2024
a) Chlorinators
				that are housed separately from the chlorine storage must be in an adjacent
				room.
b) Chlorinator rooms must be
				heated to 60°F, and be protected from excessive heat. Cylinders and gas
				lines must be protected from excessive temperatures.
c) Chlorine gas feed and storage must be
				enclosed and separated from other operating areas. Both the feed and storage
				rooms must be constructed so as to meet the following requirements:
1) a shatter resistant inspection window must
				be installed in an interior wall;
2) all openings between the rooms and the
				remainder of the plant must be sealed;
3) doors must be equipped with panic
				hardware, assuring ready means of exit and opening outward only to the building
				exterior;
4) a ventilating fan with
				a capacity to complete one air change per minute when the room is occupied,
				unless otherwise approved by the Agency under Section 604.145(b);
5) the ventilating fan must take suction near
				the floor and at as great a distance as is practical from the door and air
				inlet, with the point of discharge located so as not to contaminate air inlets
				to any rooms or structures;
6) air
				inlets with corrosion resistant louvers must be installed near the
				ceiling;
7) air intake and exhaust
				louvers must facilitate airtight closure;
8) separate switches for the ventilating fan
				and for the lights must be located outside and at the inspection window.
A) Outside switches must be protected from
				vandalism.
B) A signal light
				indicating ventilating fan operation must be provided at each entrance when the
				fan can be controlled from more than one point;
9) vents from chlorinator and storage areas
				must be screened and must discharge to the outside atmosphere, above
				grade;
10) where floor drains are
				provided, the floor drains must discharge to the outside of the building and
				not be connected to other internal or external drainage systems; and
11) provisions must be made to chemically
				neutralize chlorine gas in the event of any measured chlorine release. The
				equipment must be sized to treat the entire contents of the largest storage
				container on site.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart K - CHEMICAL APPLICATION › Section 604.1120 - Acids and Caustics

Current through Register Vol. 48, No. 28, July 12, 2024
a)
				Acids and caustics must be kept in closed corrosion-resistant shipping
				containers or bulk liquid storage tanks.
b) Acids and caustics must not be handled in
				open vessels.
c) Acids storage
				tanks must be vented to the outside atmosphere.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart K - CHEMICAL APPLICATION › Section 604.1125 - Chlorine Dioxide

Current through Register Vol. 48, No. 28, July 12, 2024
a)
				Chlorine dioxide generation equipment must be factory assembled pre-engineered
				units with a minimum efficiency of 95 percent. The excess free chlorine must
				not exceed three percent of the theoretical stoichiometric concentration
				required.
b) Chlorine gas and
				sodium chlorite feed and storage facilities must comply with Sections 604.1115
				and 604.1130, respectively. Sodium hypochlorite feed and storage facilities
				must comply with Section 604.1135.
c) The design must comply with all applicable
				portions of Sections 604.130(c), 604.705, 604.710, 604.715, 604.720 and
				604.735.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart K - CHEMICAL APPLICATION › Section 604.1130 - Sodium Chlorite

Current through Register Vol. 48, No. 28, July 12, 2024
a)
				Storage
1) Sodium chlorite must be stored by
				itself in a separate room and preferably must be stored in an outside building
				detached from the water treatment facility.
2) The storage structures must be constructed
				of noncombustible materials.
3) The
				storage room must be available to keep the sodium chlorite area cool enough to
				prevent heat induced explosive decomposition of the chlorite.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart K - CHEMICAL APPLICATION › Section 604.1135 - Sodium Hypochlorite

Current through Register Vol. 48, No. 28, July 12, 2024
Storage of sodium hypochlorite must be:
a) protected from excess
				temperatures;
b) sited out of the
				sunlight in a cool area; and
c)
				vented to the outside of the building.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart K - CHEMICAL APPLICATION › Section 604.1140 - Ammonia

Current through Register Vol. 48, No. 28, July 12, 2024
a) Ammonia for
				chloramine formation may be added to water either as a water solution of
				ammonium sulfate, or as aqua ammonia (ammonia gas in water solution), or as
				anhydrous ammonia (purified 100% ammonia in liquid or gaseous form). Special
				provisions required for each form of ammonia are listed in subsections (b)
				through (d).
b) Ammonium Sulfate
1) The water solution made by addition of
				ammonium sulfate solid to water must include agitation.
2) The tank and dosing equipment contact
				surfaces must be made of corrosion resistant non-metallic materials.
3) The submerged portion of the mixer shaft
				and propeller must be made of 304 or 316 stainless steel that is resistant to
				corrosion by ammonium sulfate solution.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart K - CHEMICAL APPLICATION › Section 604.1145 - Potassium Permanganate

Current through Register Vol. 48, No. 28, July 12, 2024
Potassium permanganate may be fed with gravimetric feeders or
				  from batched solution fed from day tanks. For batched solutions:
a) the potassium permanganate added cannot
				exceed the solubility limits based on temperature; and
b) mechanical mixers must be
				provided.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart K - CHEMICAL APPLICATION › Section 604.1150 - Fluoride

Current through Register Vol. 48, No. 28, July 12, 2024
a) Basis of Design.
				Equipment must have the capacity to maintain the fluoride content in the
				finished water at 0.7 mg/L.
b)
				Chemical Feed Equipment
1) A free chlorine
				residual of 10 mg/L must be maintained in solutions prepared from dry
				chemicals. This chlorine residual must not replace the chlorination requirement
				of Section 604.725.
2) Chlorine
				must not be added to hydrofluosilicic or fluorosilicic acid
				solutions.
3) Diaphragm operated
				anti-siphon devices must be provided on all fluoride saturator or fluorosilicic
				acid feed systems as follows:
A) one
				diaphragm operated anti-siphon device must be located on the discharge side of
				the feed pump; and
B) a second
				diaphragm operated anti-siphon device must be located at the point of
				application unless a suitable air gap is provided.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart L - PUMPING FACILITIES › Section 604.1205 - Pumping Stations

Current through Register Vol. 48, No. 28, July 12, 2024
a)
				Both raw and finished water-pumping stations must:
1) have adequate space for the installation
				of additional units if needed, and for the safe servicing of all
				equipment;
2) be of durable
				construction, fire and weather resistant, and with outward opening
				doors;
3) not create a confined
				space;
4) have floors that slope to
				a suitable drain; and
5) provide a
				suitable outlet for drainage from pump glands without discharging onto the
				floor.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart L - PUMPING FACILITIES › Section 604.1210 - Pumps

Current through Register Vol. 48, No. 28, July 12, 2024
a) At least two
				pumping units must be provided for all pump stations.
b) With any pump out of service, the
				remaining pump or pumps must be capable of providing the maximum demand of the
				community water supply.
c) The
				pumping units must be provided with readily available spare parts and
				tools.
d) Suction Lifts
1) Suction lifts must be avoided if
				possible;
2) Suction lifts must be
				less than 15 feet; and
3) If
				suction lift is necessary, provisions must be made for priming the pumps, as
				follows:
A) prime water must not be of lesser
				sanitary quality than that of the water being pumped;
B) means must be provided to prevent either
				backsiphonage or backflow; and
C)
				vacuum priming may be used.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart L - PUMPING FACILITIES › Section 604.1215 - Booster Pumps

Current through Register Vol. 48, No. 28, July 12, 2024
a)
				Each booster pumping station must contain no fewer than two pumps with
				capacities such that maximum demand can be satisfied with the largest pump out
				of service.
b) Construction must
				conform to Section 604.150.
c)
				Automatic control equipment must be installed to prevent the pump from causing
				a vacuum and/or lowering water pressure in any part of the distribution system
				to less than 20 psi as measured at ground surface.
d) Automatic or remote-control devices must
				have a range between the start and cutoff pressure that will prevent excessive
				cycling.
e) Booster pumps must have
				the ability to be bypassed.
f)
				Pressure for portions of a distribution system served by a booster pump
				station, as required by Section 604.1415, must be provided during periods when
				the booster station is not in operation.
g) One of the following must be installed if
				adequate pressure will not be available in any part of the system:
1) hydropneumatic storage designed in
				accordance with Section 604.1345 on the discharge side of the booster pump
				station; or
2) elevated
				storage.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart L - PUMPING FACILITIES › Section 604.1220 - Automatic and Remote-Controlled Stations

Current through Register Vol. 48, No. 28, July 12, 2024
a) All remote-controlled pumping facilities
				must be electrically operated and controlled and must have signaling apparatus
				of proven performance.
b) All
				automatic pumping facilities must be provided with automatic signaling
				apparatus that will report when the station is out of service, unless otherwise
				approved by the Agency under Section 604.145(b).
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart L - PUMPING FACILITIES › Section 604.1225 - Appurtenances

Current through Register Vol. 48, No. 28, July 12, 2024
a) Valves
1) Each pump must have an isolation valve on
				the inlet and discharge side of the pump to permit satisfactory operation,
				maintenance and repair of the equipment.
2) Each pump must have a positive acting
				check valve on the discharge side between the pump and the shutoff
				valve.
3) Surge relief valves or
				slow acting check valves must be designed to minimize hydraulic
				transients.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart M - STORAGE › Section 604.1300 - General Storage Requirements

Current through Register Vol. 48, No. 28, July 12, 2024
a)
				Storage facilities must have sufficient capacity to meet domestic demands and,
				where fire protection is provided, fire flow demands.
b) Excessive storage capacity must be avoided
				to prevent potential water quality deterioration problems and
				freezing.
c) The material used in
				the construction of water storage structures must be approved by the Agency
				under 35 Ill. Adm. Code
				602.105.
				Porous materials, including wood and concrete block, are not
				acceptable.
d) Storage Structure
				Drainage
1) Storage structures must be
				designed so they can be isolated to prevent loss of pressure in the
				distribution system when maintenance or cleaning occurs.
2) Each elevated storage tank must have a
				hydrant or other means to drain for repair, maintenance or cleaning.
3) The storage structure drain must discharge
				to the ground surface with no direct connection to a sewer or storm
				drain.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart M - STORAGE › Section 604.1305 - Overflow

Current through Register Vol. 48, No. 28, July 12, 2024
a) All water
				storage structures must be provided with an overflow that is brought down to an
				elevation between 12 and 24 inches above the ground surface and that discharges
				over a drainage inlet structure or a splash plate.
b) No overflow may be connected directly to a
				sewer or a storm drain.
c) All
				overflow pipes must be located so that any discharge is visible.
d) Overflow for a ground level storage
				reservoir must meet the following requirements:
1) open downward and be screened with 24 mesh
				non-corrodible screen; and
2) when
				a flapper or duckbill valve is used, a screen must be provided inside the
				pipe.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart M - STORAGE › Section 604.1310 - Access to Water Storage Structures

Current through Register Vol. 48, No. 28, July 12, 2024
a) Finished water storage structures must be
				designed with access to the interior for cleaning and maintenance.
b) At least two manholes must be provided
				above the waterline at each water compartment where space permits.
c) For elevated storage structures:
1) at least one of the access manholes must
				be framed at least four inches above the surface of the roof at the opening,
				must be fitted with a solid watertight cover that overlaps the framed opening
				and extends down around the frame at least two inches, must be hinged on one
				side, and must have a locking device; and
2) all other manholes or access ways not
				conforming to subsection (c)(1) must be bolted and gasketed so that they are
				watertight.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart M - STORAGE › Section 604.1315 - Vents

Current through Register Vol. 48, No. 28, July 12, 2024
a) Finished water
				storage structures must be vented as follows:
1) the overflow pipe must not be considered a
				vent; and
2) open construction
				between the sidewall and roof is not permissible.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart M - STORAGE › Section 604.1320 - Level Controls

Current through Register Vol. 48, No. 28, July 12, 2024
Storage structures must provide:
a) adequate controls, including telemetering
				equipment, to maintain water levels within the operating range of distribution
				system storage structures;
b) level
				indicating devices; and
c) overflow
				and low-level warnings or alarms.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart M - STORAGE › Section 604.1325 - Roof and Sidewalls

Current through Register Vol. 48, No. 28, July 12, 2024
a) The
				roof and sidewalls of all water storage structures must be watertight with no
				openings except properly constructed vents, manholes, overflows, risers,
				drains, pump mountings, control ports, or piping for inflow and
				outflow.
b) Any pipes running
				through the roof or sidewall of a metal storage structure must be welded or
				gasketed to prevent leaks.
c) Any
				pipes running through the roof or sidewall of a concrete tank must be connected
				to standard wall castings that were poured in place during the forming of the
				concrete.
d) Openings in the roof
				of a storage structure designed to accommodate control apparatus or pump
				columns must be curbed and sleeved with proper additional shielding to prevent
				contamination from surface or floor drainage.
e) The roof of the storage structure must be
				well drained.
1) Downspout pipes must not
				enter or pass through the reservoir.
2) Parapets, or similar construction that
				would tend to hold water and snow on the roof, must have adequate waterproofing
				and drainage.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart M - STORAGE › Section 604.1330 - Painting and Cathodic Protection

Current through Register Vol. 48, No. 28, July 12, 2024
a) Metal surfaces must be protected by paints
				or other protective coatings, by cathodic protective devices, or by
				both.
b) Paint Systems
1) Paint systems must comply with Section
				604.105(f); and
2) Interior paint
				must be applied and cured in a manner that does not transfer to the water any
				substance that will be toxic or cause taste or odor problems.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart M - STORAGE › Section 604.1335 - Treatment Plant Storage

Current through Register Vol. 48, No. 28, July 12, 2024
Treatment plant storage must meet the following
				  requirements.
a) Clearwell storage
				must:
1) provide contact time, when required,
				under Section 604.715;
2) ensure
				adequate disinfectant contact time by sizing the clearwell to include extra
				volume to accommodate depletion of storage during the nighttime for
				intermittently operated filtration plants with automatic high service pumping
				from the clearwell during non-treatment hours;
3) be sized in conjunction with distribution
				system storage, to relieve the filters from having to follow fluctuations in
				water use;
4) provide an overflow
				and vent; and
5) provide a minimum
				of two clearwells or clearwell compartments.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart M - STORAGE › Section 604.1340 - Elevated Storage

Current through Register Vol. 48, No. 28, July 12, 2024
a) The
				minimum storage capacity must:
1) be equal to
				the average daily usage or be based on an engineering study of the distribution
				system hydraulic conditions, anticipated domestic water demands of the system,
				and, where fire protection is provided, fire flow demands; and
2) be capable of maintaining adequate
				pressures as described in Section 604.1415(a).
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart M - STORAGE › Section 604.1345 - Hydropneumatic Storage

Current through Register Vol. 48, No. 28, July 12, 2024
a)
				Hydropneumatic tanks, when provided as the only water storage, are not
				acceptable in community water supplies with over 150 service
				connections.
b) Hydropneumatic tank
				storage is not to be permitted for fire protection purposes.
c) Hydropneumatic tanks must meet the ASME
				BPVC-VIII-1-2015, incorporated by reference in 35 Ill. Adm. Code
				601.115.
d) The tank must be located above normal
				ground surface and be completely housed.
e) Gross volume must equal or exceed 80
				gallons per service connection when only hydropneumatic storage is
				provided.
f) An air compressor must
				be provided to maintain an air cushion in the hydropneumatic tanks.
g) Finished water must be delivered at a rate
				greater than the peak hourly flow provided in Section 604.115(d).
h) Actual capacity of the well pump or high
				service pump used to deliver water to the distribution system through the
				hydropneumatic tank must be greater than the peak hourly flow provided in
				Section 604.115(d).
i) Actual
				capacities of multiple well pumps or high service pumps used to deliver water
				to the distribution system through the hydropneumatic tank must be greater than
				the peak hourly flow provided in Section 604.115(d) with the largest well pump
				or high service pump out of operation.
j) All hydropneumatic tanks must have bypass
				piping to permit operation of the system while the tank is being repaired or
				painted, and each tank must have:
1) an
				access manhole and, where practical, the access manhole should be 24 inches in
				diameter;
2) a drain; and
3) control equipment consisting of the
				following:
A) a pressure gauge;
B) water sight glass placed to show the
				water/air interface;
C) automatic
				or manual air blow off;
D) means
				for adding air; and
E) pressure
				operated start stop controls for the pumps.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart M - STORAGE › Section 604.1350 - Combination Pressure Tanks and Ground Storage

Current through Register Vol. 48, No. 28, July 12, 2024
A combination of ground storage, hydropneumatic storage, and
				  pumps may be considered in water systems for maintaining pressure on the
				  distribution system. Design of such a system must include:
a) a minimum ground storage volume equivalent
				to 1.5 times the average daily
				usage;
b) a minimum of two pumps,
				each capable of meeting the peak hourly flow provided in Section
				604.115(d). If
				more than two pumps are proposed, the peak hourly flow must be met when any
				pump is out of service;
c) an
				electric generator with an automatic start capable of providing power to pumps
				that can produce the peak hourly flow provided in Section
				604.115(d),
				plus sufficient power to operate all chemical feeders, appurtenances, and
				equipment essential to plant operation. Consideration must be given to sizing
				the generator to provide power for at least one well; and
d) a hydropneumatic tank sized to provide
				service for a minimum of 10 minutes under the peak hourly flow provided in
				Section 604.115(d).
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart N - DISTRIBUTION › Section 604.1400 - General Distribution System Requirements

Current through Register Vol. 48, No. 28, July 12, 2024
a) Water distribution systems must be
				designed to maintain finished water quality.
b) The community water supply must have a
				record keeping system to document the nature and frequency of water main
				breaks.
c) The system must be
				designed to meet existing demands on the distribution system. Future
				distribution system demands must be taken into account.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart N - DISTRIBUTION › Section 604.1405 - Installation of Water Mains

Current through Register Vol. 48, No. 28, July 12, 2024
a)
				Except as provided in 35 Ill. Adm. Code
				602.200,
				a permit from the Agency is required before the installation of a water
				main.
b) Bedding
1) A continuous and uniform bedding must be
				provided in the trench for all buried pipe.
2) Backfill material must be tamped in layers
				around the pipe and to a sufficient height above the pipe to adequately support
				and protect the pipe.
3) Stones
				found in the trench must be removed for a depth of at least six inches below
				the bottom of the pipe.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart N - DISTRIBUTION › Section 604.1410 - Materials

Current through Register Vol. 48, No. 28, July 12, 2024
a) All materials,
				including ductile iron pipe, steel pipe, concrete pipe, plastic pipe, pipe
				liners, joints, fittings, valves and fire hydrants, must conform to the AWWA,
				ASTM, ANSI or NSF standards incorporated by reference at 35 Ill. Adm. Code
				601.115.
b) Plastic Pipe
1) Plastic Pipe Specifications. Polyvinyl
				Chloride (PVC), Chlorinated Polyvinyl Chloride (CPVC), Molecularly Oriented
				Polyvinyl Chloride (PVCO) and Polyethylene (PE) must conform to NSF Standard
				14, incorporated by reference in 35 Ill. Adm. Code 601.115.
2) PVC, CPVC, PVCO and PE pipe may be used
				for water mains in accordance with this Section.
A) PVC may be used for water mains in
				accordance with the following standards, incorporated by reference in 35 Ill.
				Adm. Code 601.115:
i) AWWA C900-07;
ii) ASTM D 1784-11;
iii) ASTM D 1785-15;
iv) ASTM D 2241-09.
B) PE pipe may be used for water mains in
				accordance with AWWA C906, incorporated by reference in 35 Ill. Adm. Code
				601.115.
C) PVCO pipe may be used
				for water mains in accordance with AWWA C909, incorporated by reference in 35
				Ill. Adm. Code 601.115.
D) CPVC
				pipe may be used for water mains in accordance with the following standards,
				incorporated by reference in 35 Ill. Adm. Code 601.115:
i) ASTM F 441/F 441M;
ii) ASTM F 442/F 442M;
iii) ASTM D 1784.
3) Jointing
A) Jointing must be pressure slip jointed,
				solvent welded, heat welded, flange or threaded joint.
B) Clean, dry contact surfaces are required
				when making solvent or heat welded joints. Adequate setting time must be
				allowed for maximum strength.
C)
				Elastomeric seals (gaskets) used for push-on joints must comply with ASTM F 477
				and must be pressure rated in accordance with ASTM D 3139.
D) Solvent cement must be specific for the
				piping material and must comply with ASTM D 2564 for PVC and ASTM F 493 for
				CPVC and must comply with Section 604.105(f).
4) Plastic Pipe Fittings
A) PVC fabricated fittings, 4-inch through
				60-inch, must conform to AWWA C900.
B) Polyethylene pressure pipe fitting, 4-inch
				through 63-inch, must conform to AWWA C906.
C) Injection-molded PVC pressure fittings,
				4-inch through 12-inch, must conform to AWWA C907.
D) Schedule 40 or 80 PVC and CPVC pipe
				fittings must be of the same material as the pipe and must comply with ASTM
				Standards as follows:
i) ASTM D 2466 for PVC
				Schedule 40;
ii) ASTM D 2467 for
				PVC Schedule 80;
iii) ASTM D 2464
				for threaded Schedule 80;
iv) ASTM
				F 438 for Socket-Type CPVC Schedule 40;
v) ASTM F 439 for CPVC Schedule 80;
				and
vi) ASTM F 437 for threaded
				CPVC Schedule 80.
E)
				Plastic fitting material must conform to ANSI/NSF Standard 14 and comply with
				Section 604.105(f).
F) All fittings
				must bear the NSF seal of approval.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart N - DISTRIBUTION › Section 604.1415 - System Design

Current through Register Vol. 48, No. 28, July 12, 2024
a)
				Pressure
1) The system must be designed to
				maintain a minimum pressure of 20 psi at ground level at all points in the
				distribution system under all conditions of flow.
2) The normal working pressure on all
				transmission mains for finished water must be at least 20 psi. All other water
				mains must have a normal working pressure of at least 35 psi.
3) When static pressures exceed 100 psi,
				pressure reducing devices must be provided on water mains or on individual
				service lines.
4) All water mains,
				including those not designed to provide fire protection, must be sized after a
				hydraulic analysis based on flow demands and pressure requirements.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart N - DISTRIBUTION › Section 604.1420 - Valves

Current through Register Vol. 48, No. 28, July 12, 2024
a) A sufficient
				number of valves must be provided to isolate portions of the distribution
				system during repairs and maintenance and to facilitate unidirectional
				flushing.
b) Location. Unless
				otherwise approved by the Agency under Section 604.145(b), valves must be
				located:
1) at not more than 500-foot
				intervals in commercial districts;
2) at not more than two blocks or 1200-foot
				intervals in other districts.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart N - DISTRIBUTION › Section 604.1425 - Hydrants

Current through Register Vol. 48, No. 28, July 12, 2024
a) Only water mains
				designed to carry fire flows may have fire hydrants connected to them.
1) The fire hydrant lead must be a minimum of
				six inches in diameter.
2)
				Auxiliary valves must be installed on all fire hydrant leads.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart N - DISTRIBUTION › Section 604.1430 - Air Relief Valves

Current through Register Vol. 48, No. 28, July 12, 2024
a) Air
				relief valves must be installed at high points in water mains where air can
				accumulate.
b) Automatic air relief
				valves must not be used in situations where flooding of the manhole or chamber
				may occur.
c) Air Relief Valve
				Piping
1) The open end of an air relief pipe
				from a manually operated valve must extend to the top of the pit and be
				provided with a screened, downward-facing elbow if drainage is provided for the
				manhole.
2) The open end of an air
				relief pipe from automatic valves must be extended to at least one foot above
				grade and provided with a screened, downward-facing elbow.
3) Discharge piping from air relief valves
				must not connect directly to any storm drain, storm sewer, or sanitary
				sewer.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart N - DISTRIBUTION › Section 604.1435 - Valve, Meter and Blow Off Chambers

Current through Register Vol. 48, No. 28, July 12, 2024
a) Valves, blow offs, meters or other such
				appurtenances to a distribution system must be protected from standing water in
				the chambers, pits or manholes.
b)
				Chambers, pits or manholes containing valves, blow offs, meters, or other
				appurtenances to a distribution system must be drained or be equipped with
				other means to remove standing water.
c) The chambers, pits and manholes containing
				valves, blow offs, meters, or other appurtenances to a distribution system must
				not connect directly to any storm drain or sanitary sewer.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart N - DISTRIBUTION › Section 604.1440 - Sanitary Separation for Finished Water Mains

Current through Register Vol. 48, No. 28, July 12, 2024
Water mains must be protected from sanitary sewers, storm
				  sewers, combined sewers, house sewer service connections and drains as
				  follows:
a) Horizontal Separation
1) Water mains must be laid at least 10 feet
				horizontally from any existing or proposed drain, storm sewer, sanitary sewer,
				combined sewer or sewer service connection. The distance must be measured edge
				to edge.
2) Water mains may be laid
				closer than 10 feet to a sewer line when:
A)
				local conditions prevent a lateral separation of 10 feet;
B) the water main invert is at least 18
				inches above the crown of the sewer; and
C) the water main is either in a separate
				trench or in the same trench on an undisturbed earth shelf located to one side
				of the sewer.
3) When it
				is impossible to meet subsection (a)(1) or (a)(2), the following requirements
				must be met:
A) Required Materials
i) Both the water main and drain or sewer
				must be constructed of materials specified in Section 604.1410; or
ii) The sewer has a structural lining meeting
				ASTM F1216. The Agency may approve an alternate structural lining under Section
				604.145(b).
B) The drain
				or sewer must be pressure tested to the maximum expected surcharge head before
				backfilling.
4) Water
				mains must be laid at least 25 feet horizontally from any existing or proposed
				sanitary lift station, unless otherwise approved by the Agency under Section
				604.145(b).
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart N - DISTRIBUTION › Section 604.1445 - Sanitary Separation for Raw Water Mains

Current through Register Vol. 48, No. 28, July 12, 2024
a) Raw water mains from groundwater sources
				must have the same sanitary separation as provided in Section 604.1440 for
				finished water mains.
b) Raw water
				mains from surface water sources must have the same sanitary separation between
				the sanitary sewer, combined sewer, house sewer service connections and drains
				as provided in Section 604.1440 for finished water mains.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart N - DISTRIBUTION › Section 604.1450 - Surface Water Crossings

Current through Register Vol. 48, No. 28, July 12, 2024
a) For
				above-water crossings, the pipe must be adequately supported and anchored,
				protected from damage and freezing, and accessible for repair or
				replacement.
b) Underwater
				Crossings
1) A minimum cover of five feet
				must be provided over the pipe.
2)
				When crossing water courses that are greater than 15 feet in width, the
				following apply:
A) the pipe must be of
				special construction, having flexible, restrained or welded watertight
				joints;
B) valves must be provided
				at both ends of water crossings so that the section can be isolated for testing
				or repair;
C) the valves must be
				easily accessible and not subject to flooding; and
D) permanent taps or other provisions to
				allow insertion of a small meter to determine leakage and obtain water samples
				must be made on each side of the valve closest to the supply source.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart N - DISTRIBUTION › Section 604.1455 - Water Service Line

Current through Register Vol. 48, No. 28, July 12, 2024
a) A community
				water supply must not supply water through a water service line to more than a
				single property, dwelling or rental unit.
b) If a pipe from the water main or source of
				potable water supply is accessible to more than one property, dwelling or
				rental unit, the pipe will be considered a water main subject to all permitting
				requirements of 35 Ill. Adm. Code 602.
c) A pipe is accessible when it crosses the
				property boundary of another landowner to reach the property, dwelling or
				rental unit being served.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart N - DISTRIBUTION › Section 604.1460 - Water Loading Stations

Current through Register Vol. 48, No. 28, July 12, 2024
To prevent contamination of both the public supply and
				  potable water vessels being filled, the following principles must be met in the
				  design of water loading stations:
a) a
				six inch or larger air gap or other Agency approved cross connection control
				measure must be included for all water loading stations;
b) the piping arrangement must prevent
				potential contaminants from being transferred between hauling vessels;
				and
c) hoses must not be allowed to
				contact the ground.
Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA › Subpart O - CROSS CONNECTIONS › Section 604.1500 - Cross Connections

Current through Register Vol. 48, No. 28, July 12, 2024
a) No
				cross connection is allowed between water plant piping and any drain or sewer.
				Backflow prevention installed within the water treatment facility must comply
				with the Illinois Plumbing Code (77 Ill. Adm. Code 890).
b) No cross connection is allowed whereby an
				unsafe substance may enter a community water supply.
c) No cross connection is allowed between any
				portion of a community water supply distribution system and any other water
				supply that is not a community water supply.