35 Ill. Adm. Code 302.404

pH

Last amended: 2023Year: 2026Length: 52 wordsOfficial source
Section 302 Section 302.404  pH pH must be within the range of 6.5 to 9.0 except due to natural causes, except for the South Fork of the South Branch of the Chicago River (Bubbly Creek), for which pH must be within the range of 6.0 to 9.0 except due to natural causes.
35 Ill. Adm. Code 302.404: pH | Justis AI