The Department of Health and Environment has prepared a combined Kansas Water Pollution Control and NPDES general permit for stormwater runoff from industrial activity. The proposed general permit would replace the current permit, which remains effective through October 31, 2021. Comments are due October 23, 2021. See https://sos.ks.gov/publications/Register/Volume-40/Issues/Issue%2038/09-23-21-49457.html.