Illinois Administrative Code

Section 602.240 Plans a) Unless otherwise specified by the Agency, plans submitted to the Agency must provide the following: 1) a suitable title; 2) the name of the owner of the community water supply; 3) the area or institution to be served; 4) a scale; 5) a north point; 6) the …

Section 602.245 Source Construction Applications a) Construction permit applications for the construction of a new, or the modification of an existing, well or surface water intake or the construction of a water main to transport water purchased from another community water suppl…

Section 602.250 Treatment Construction Applications The following information must be submitted on plans for the construction of treatment facilities: a) all appurtenances, specific structures, or equipment having any connection with the planned water treatment improvements; b) d…

Section 602.255 Storage Construction Applications The following information must be submitted on plans for the construction of storage facilities: a) storage capacity; b) plan and profile views showing the location, elevation, piping, access hatches, vents, overflows, safety appu…

Section 602.260 Water Main Construction Applications a) Water main construction permit applications must specify the following: 1) the existing population served by the present supply, and the population to be served by the water main extension; 2) the average daily pumpage for t…

Section 602.300 Operating Permit Requirement a) A person must not cause or allow the use or operation of any new community water supply, or any new addition to an existing community water supply, for which a construction permit is required under this Part, without an operating pe…

Section 602.305 Operating Permit Applications a) All applications for operating permits must be on Agency forms and must contain: 1) the community water supply's name, address, identification number and project name; 2) the construction permit number, type of construction permit,…

Section 602.310 Projects Requiring Disinfection a) Wells, water storage tanks, water treatment plants, and water mains must be disinfected in accordance with AWWA C651, C652, C653, or C654, incorporated by reference in 35 Ill. Adm. Code 601.115. b) Disinfection of a filter with g…

Section 602.315 Projects Not Requiring Disinfection Disinfection is not required for projects involving installation of equipment not in contact with finished water, which includes, but is not limited to, chemical feeders, coagulation basins and raw surface water transmission lin…

Section 602.320 Partial Operating Permits a) If all phases of a construction project will not be completed at one time, the Agency must issue a partial operating permit under Section 602.105 upon receipt of: 1) a cover letter describing which sections of the project are completed…

Section 602.325 Operating Permit-by-Rule a) This Section implements the permit-by-rule program provided for in Section 39.12 of the Act for classes of community water supply operating permits. By fulfilling all of the requirements of this Section, a community water supply is cons…

Section 602.400 Algicide Permit Requirement a) A person must not apply an algicide, copper sulfate, a copper sulfate-based product, or a copper sulfate chemical aid to any stream, reservoir, lake, pond, or other body of water used as a community water supply source without an Alg…

Section 602.405 Algicide Permit Applications All applications for Algicide Permits must contain: a) the name and identification number of the Responsible Operator in Charge supervising the application of the copper sulfate, copper sulfate based products, or copper sulfate chemica…

Section 602.410 Sampling a) The owner or official custodian, or an authorized delegate, must collect water samples for each application of copper sulfate, a copper sulfate-based product, or a copper sulfate chemical aid. Water samples must be collected at the locations and times …

Section 602.415 Required Permit Modification After any Algicide Permit is issued, and before the permit expires, if there is any major change either in the operation of the community water supply or in algae growth that affects the use of the algicide, copper sulfate, copper sulf…

Section 602.500 Other Aquatic Pesticide Permit Requirement a) When the application of the pesticide will have an effect on any community water supply, a person must not apply an aquatic pesticide, other than an algicide, copper sulfate, a copper sulfate-based product, or a copper…

Section 602.505 Other Aquatic Pesticide Permit Application Contents All applications for Aquatic Pesticide Permits must contain, at a minimum: a) The reasons for controlling the aquatic plant or animal nuisance. b) Applicant Information 1) The applicant must be the official custo…

Section 602.510 Permits Under Public Health Related Emergencies The Agency may issue Aquatic Pesticide Permits by telephone whenever public health is immediately endangered by an aquatic pest such as a disease-carrying organism. Aquatic Pesticide Permits issued by telephone must …

Section 602.515 State Agency Programs The Departments of Public Health, Natural Resources and Agriculture may place on file with the Agency information required by Section 602.505(h), (i) and (j) for reference in future permit applications. (Source: Added at 40 Ill. Reg. 6799, ef…

Section 602.520 Extension of Permit Duration The Agency may extend the duration of an Aquatic Pesticide Permit when circumstances beyond the control of the applicant prevent the aquatic pesticide application during the time specified in the permit. a) All requests for extensions …

Section 602.600 Special Exception Permits a) Unless contained in a construction or operating permit, each Agency determination in 35 Ill. Adm. Code 604 and 611 is to be made by way of a written special exception permit (SEP) pursuant to Section 39(a) of the Act. b) A person must …

Section 602.APPENDIX A References to Former Rules (Repealed) (Source: Repealed at 47 Ill. Reg. 7449, effective May 16, 2023)

Section 603.101 Ownership a) To assure the continued maintenance and operation of community water supplies, each supply must be under the individual direct supervision of a municipal or private corporation, an individual private owner, or a regularly organized body governed by a …

Section 603.102 Administrative Contact The owner or official custodian of a community water supply may designate, on forms provided by the Agency, an individual to act as agent of the owner or official custodian for all matters related to the community water supply. The designate…

Section 603.103 Responsible Operator in Charge a) Under the Public Water Supply Operations Act, all portions of a community water supply system must be under the direct supervision of a Responsible Operator in Charge. [415 ILCS 45/1]. b) Each community water supply, unless exempt…

Section 603.104 Exempt Community Water Supply Under Section 9.1 of the Public Water Supply Operations Act, a community water supply is not required to have a Responsible Operator in Charge if it: a) consists only of distribution and storage facilities and does not have any collec…

Section 603.105 Notification of Change of Ownership or Responsible Operator in Charge a) Within 15 days after any change in ownership of a community water supply, the new owner must notify the Agency, on Agency forms, of changes in ownership. b) Within 15 days after any change in…

Section 603.APPENDIX A References to Former Rules (Repealed) (Source: Repealed at 47 Ill. Reg. 7496, effective May 16, 2023)

Section 604.100 Purpose This Part includes the design, operational, and maintenance criteria for owners, operators and official custodians of community water supplies.

Section 604.1000 Presedimentation 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…

Section 604.1005 Anion Exchange 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 un…

Section 604.1010 Iron and Manganese Control 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 …

Section 604.1015 Taste and Odor Control 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…

Section 604.1020 Powdered Activated Carbon 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…

Section 604.105 General Requirements a) The community water supply must be designed to produce at least 20 percent greater than the maximum average daily demand, as defined in 35 Ill. Adm. Code 601.105. b) The criteria for design of community water supply facilities must be the s…

Section 604.110 Location a) All community water supplies must select construction sites after completing an evaluation of risk from earthquakes, land subsidence, floods, fires or other disasters that could result in breakdown of any part of the system. If a site is subject to an …

Section 604.1100 General Chemical Application Requirements 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 ef…

Section 604.1105 Feed Equipment and Chemical Storage 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)…

Section 604.1110 Protective Equipment 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 s…

Section 604.1115 Chlorine Gas a) Chlorinators that are housed separately from the chlorine storage must be in an adjacent room. b) Chlorinator rooms must be heated to 60oF, and be protected from excessive heat. Cylinders and gas lines must be protected from excessive temperatures…

Section 604.1120 Acids and Caustics 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.

Section 604.1125 Chlorine Dioxide 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) C…

Section 604.1130 Sodium Chlorite 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…

Section 604.1135 Sodium Hypochlorite 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.

Section 604.1140 Ammonia 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 req…

Section 604.1145 Potassium Permanganate 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 m…

Section 604.115 Usage a) Average daily usage must be based on finished water pumpage records. When records are not available or when a new supply is proposed, average daily usage must be based on at least 75 gallons per person per day based on the current or projected population …