35 Ill. Adm. Code 704.263
Well Siting
Section 704
Section 704.263 Well Siting
Suitability of the well location
must not be considered at the time of permit modification unless new
information or standards indicate that a threat to human health or the
environment exists that was unknown at the time of permit issuance or unless
required under the Act. However, certain modifications may require site
location suitability approval pursuant to Section 39.2 of the Act.
BOARD NOTE: Derived from 40 CFR
144.39(c) (2017).