- Board Adopts Aquatic Life Use Designations for the Chicago Area Waterways System and
Lower Des Plaines River
On February 6, 2014, the Pollution Control Board adopted a rule that designates aquatic
life uses for the Chicago Area Waterways (CAWS) and the Lower Des Plaines River (LDPR).
- The Board adopted three aquatic life use designations and has developed definitions of those
aquatic life use designations: CAWS Aquatic Life Use A, CAWS and Brandon Pool Aquatic
Life USE (ALU) B, and Upper Dresden Island Pool (UDIP) Aquatic Life Use (ALU).
- Generally, CAWS Aquatic Life Use A Waters are capable of maintaining, tolerant and
intermediately tolerant species such as channel catfish, largemout...