Impaired Waters and TMDL Compliance
The EPA announced it transmitted the final 2020 Missouri Clean Water Act (CWA) Section 303 (d) List of Impaired Waters to the state on September 13, 2021. CWA Section 303(d) requires states to submit their lists of impaired waters to the EPA for approval every two years. “The 303(d) List is an important water quality […]