Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 654 - RAW AND FINISHED WATER QUALITY AND QUANTITY
Subpart B - RAW WATER QUANTITY
Section 654.202 - Ground Water Quantity

Current through Register Vol. 48, No. 38, September 20, 2024

a) Ground water source adequacy shall be determined by the amount of water produced by each well pumping within its calculated safe yield.

b) Where multiple wells are used the combined delivery shall:

1) exceed the record maximum daily demand; and

2) equal or exceed the calculated average daily demand with the largest producing well out of service.

c) Where only one well is provided the delivery shall:

1) exceed the record maximum daily demand;

2) meet the requirements of 35 Ill. Adm. Code 653.109 or 653.110 if hydropneumatic storage is provided.

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