April 2022 O&M Newsletter By Maine NewsIn State NewsPosted March 28, 20220 Comment(s) A monthly newsletter for wastewater discharge licencees, treatment facility operators, and associated persons April 2022 In this issue: Monthly Problem Set / For Practice, April Enterococcus Bacteria Testing for Maine Dischargers Cybersecurity Alert for Water & Wastewater Facilities DMR-QA Update Get Ready for Seasonal Chlorination Which Laboratory Methods Can I Use for my MEPDES Permit Analysis Monthly Problem Set / For Practice Answers, April