- Board Sends to First Notice a Proposal to Update Water Quality Standards for
Sulfate and Total Dissolved Solids
The Illinois Pollution Control Board, on September 20, 2007, adopted a first notice
proposal in the rulemaking, Triennial Review of Sulfate and Total dissolved Solids Water
Quality Standards: Proposed Amendments to 35 Ill.
- Adm.
- Code Parts 302, 309,405, 406, and 407 of the Board’s
water and mine-related pollution rules.
- The Board also includes language reflecting the IEPA’s policy of allowing
mixing in up to 50% of the stream flow when there is less than a 3:1 dilution ratio.
- The Board held two public hearings and accepted comments on this proposal.