Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 813 - PROCEDURAL REQUIREMENTS FOR PERMITTED LANDFILLS
Subpart C - ADDITIONAL PROCEDURES FOR THE RENEWAL OF PERMITS
Section 813.304 - Updated Groundwater Impact Assessment

Universal Citation: 35 IL Admin Code ยง 813.304

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

a) The applicant shall conduct a new groundwater impact assessment in accordance with 35 Ill. Adm. Code 811.317 if any of the following changes in the facility or its operation will result in an increase in the probability of exceeding a groundwater standard beyond the zone of attenuation:

1) New or changed operating conditions;

2) Changes in the design and operation of the liner and leachate collection system;

3) Changes due to more accurate geological data;

4) Changes due to modified groundwater conditions due to offsite activity;

5) Changes due to leachate characteristics.

b) If the operator certifies that the conditions applicable to the original assessment have not changed in such a way as to result in violation of groundwater standards pursuant to 35 Ill. Adm. Code 811.320, outside the zone of attenuation and no monitoring well shows concentrations of constituents in groundwater greater than such groundwater standards, then a new groundwater impact assessment need not be performed.

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