Illinois Administrative Code (Last Updated: March 27, 2024) |
TITLE35. ENVIRONMENTAL PROTECTION |
PART653. DESIGN, OPERATION AND MAINTENANCE CRITERIA |
SUBPARTA. DESIGN REQUIREMENTS |
§653.104. Usage
Latest version.
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a) Average daily usage shall be based on finished water pumpage records. When records are not available or when a new supply is proposed, average daily usage shall be based on at least 50 gallons per person per day.
b) The average daily usage estimate shall be increased where large uses such as irrigation, filling swimming pools and service to commercial or industrial establishments are known or anticipated.