The Division of Drinking Water proposed to amend Utah Admin. Code r. 309-530-4, 309-530-8, and 309-530-9 to provide detailed design and construction standards for membrane filtration facilities treating surface water and groundwater under the direct influence of surface water and to update certain requirements for all types of alternative filtration. Comments are due January 3, 2022. See https://rules.utah.gov/wp-content/uploads/b20211201.pdf (pp. 41-50).