Chloride management and the new MS4 permit

MPCA permit and pollution prevention staff led a discussion about the new chloride management requirements in the 2020 MS4 permit and the tools, resources, and training available to assist permit holders in meeting these new requirements. Local MS4 partners shared their experience and expertise on successfully implementing chloride reduction actions to improve their winter maintenance operations and protect water resources. (Oct. 5, 2020)

PDF icon MS4 chloride discussion event presentations (wq-strm4-97)