ADMINISTRATIVE CODE

  1. Home
  2. Administrative Code
  3. TITLE 35: ENVIRONMENTAL PROTECTION
  4. PART 604 DESIGN, OPERATION, AND MAINTENANCE CRITERIA
TITLE 35: ENVIRONMENTAL PROTECTION
SUBTITLE F: PUBLIC WATER SUPPLIES
CHAPTER I: POLLUTION CONTROL BOARD
PART 604 DESIGN, OPERATION, AND MAINTENANCE CRITERIA
View Entire Part

SUBPART A: GENERAL PROVISIONS

Section 604.100 Purpose
Section 604.105 General Requirements
Section 604.110 Location
Section 604.115 Usage
Section 604.120 Piping Identification
Section 604.125 Automatic Equipment
Section 604.130 Operational Testing Equipment
Section 604.135 Repair Work and Emergency Operation
Section 604.140 Nitrification Action Plan
Section 604.145 Exceptions for Community Water Supplies
Section 604.150 Protection of Community Water Supply Structures
Section 604.155 Electrical Controls and Standby Power
Section 604.160 Safety
Section 604.165 Monthly Operating Report
Section 604.170 Security

SUBPART B: SOURCE DEVELOPMENT

Section 604.200 General Requirements
Section 604.205 Surface Water Quantity
Section 604.210 Surface Water Quality
Section 604.215 Surface Water Structures
Section 604.220 Invasive Mussel Control
Section 604.225 Reservoirs
Section 604.230 Groundwater Quantity
Section 604.235 Groundwater Quality
Section 604.240 General Well Construction
Section 604.245 Well Testing and Records
Section 604.250 Aquifer Types and Construction Methods
Section 604.255 Well Pumps, Discharge Piping, and Appurtenances

SUBPART C: SOURCE WATER PROTECTION PLAN

Section 604.300 Purpose
Section 604.305 Source Water Protection Plan Requirement and Contents
Section 604.310 Vision Statement
Section 604.315 Source Water Assessment
Section 604.320 Source Water Protection Plan Objectives
Section 604.325 Action Plan
Section 604.330 Submission
Section 604.335 Agency Approval
Section 604.340 Evaluation and Revision

SUBPART D: AERATION

Section 604.400 General Requirements for Aeration
Section 604.405 Forced or Induced Draft Aeration
Section 604.410 Spray Aeration
Section 604.415 Pressure Aeration
Section 604.420 Packed Tower Aeration
Section 604.425 Other Methods of Aeration

SUBPART E: CLARIFICATION

Section 604.500 General Clarification Requirements
Section 604.505 Coagulation
Section 604.510 Flocculation
Section 604.515 Sedimentation
Section 604.520 Solids Contact Unit
Section 604.525 Tube or Plate Settlers
Section 604.530 Other High Rate Clarification Processes

SUBPART F: FILTRATION

Section 604.600 Filtration
Section 604.605 Rapid Rate Gravity Filters
Section 604.610 Rapid Rate Pressure Filters
Section 604.615 Deep Bed Rapid Rate Gravity Filters
Section 604.620 Biologically Active Filtration

SUBPART G: DISINFECTION

Section 604.700 Disinfection Requirement
Section 604.705 Chlorination Equipment
Section 604.710 Points of Application
Section 604.715 Contact Time
Section 604.720 Inactivation of Pathogens
Section 604.725 Residual Chlorine
Section 604.730 Continuous Chlorine Analyzers
Section 604.735 Chlorinator Piping

SUBPART H: SOFTENING

Section 604.800 Lime or Lime-soda Process
Section 604.805 Cation Exchange Process

SUBPART I: STABILIZATION

Section 604.900 General Stabilization Requirements
Section 604.905 Carbon Dioxide Addition
Section 604.910 Phosphates
Section 604.915 Split Treatment

SUBPART J: OTHER TREATMENT

Section 604.1000 Presedimentation
Section 604.1005 Anion Exchange
Section 604.1010 Iron and Manganese Control
Section 604.1015 Taste and Odor Control
Section 604.1020 Powdered Activated Carbon

SUBPART K: CHEMICAL APPLICATION

Section 604.1100 General Chemical Application Requirements
Section 604.1105 Feed Equipment and Chemical Storage
Section 604.1110 Protective Equipment
Section 604.1115 Chlorine Gas
Section 604.1120 Acids and Caustics
Section 604.1125 Chlorine Dioxide
Section 604.1130 Sodium Chlorite
Section 604.1135 Sodium Hypochlorite
Section 604.1140 Ammonia
Section 604.1145 Potassium Permanganate
Section 604.1150 Fluoride

SUBPART L: PUMPING FACILITIES

Section 604.1200 General
Section 604.1205 Pumping Stations
Section 604.1210 Pumps
Section 604.1215 Booster Pumps
Section 604.1220 Automatic and Remote-Controlled Stations
Section 604.1225 Appurtenances

SUBPART M: STORAGE

Section 604.1300 General Storage Requirements
Section 604.1305 Overflow
Section 604.1310 Access to Water Storage Structures
Section 604.1315 Vents
Section 604.1320 Level Controls
Section 604.1325 Roof and Sidewalls
Section 604.1330 Painting and Cathodic Protection
Section 604.1335 Treatment Plant Storage
Section 604.1340 Elevated Storage
Section 604.1345 Hydropneumatic Storage
Section 604.1350 Combination Pressure Tanks and Ground Storage

SUBPART N: DISTRIBUTION

Section 604.1400 General Distribution System Requirements
Section 604.1405 Installation of Water Mains
Section 604.1410 Materials
Section 604.1415 System Design
Section 604.1420 Valves
Section 604.1425 Hydrants
Section 604.1430 Air Relief Valves
Section 604.1435 Valve, Meter and Blow Off Chambers
Section 604.1440 Sanitary Separation for Finished Water Mains
Section 604.1445 Sanitary Separation for Raw Water Mains
Section 604.1450 Surface Water Crossings
Section 604.1455 Water Service Line
Section 604.1460 Water Loading Stations

SUBPART O: CROSS CONNECTIONS

Section 604.1500 Cross Connections
Section 604.1505 Cross Connection Control Program
Section 604.1510 Cross-Connection Control Device Inspectors
Section 604.1515 Agency Approved Cross Connection Control Measures
Section 604.1520 COVID-19 Emergency Provisions (Repealed)

Section 604.TABLE A Steel Pipe
AUTHORITY: Implementing Section 17 and authorized by Section 27 of the Illinois Environmental Protection Act [415 ILCS 5/17 and 27].
SOURCE: Adopted in R18-17 at 43 Ill. Reg. 8064, effective July 26, 2019; emergency amendment in R20-20 at 44 Ill. Reg. 7777, effective April 17, 2020, for a maximum of 150 days; amended in R20-21 at 44 Ill. Reg. 14736, effective August 27, 2020; amended in R18-25 at 47 Ill. Reg. 7503, effective May 16, 2023.