O&M Newsletter November 2017 By Maine NewsIn State NewsPosted November 2, 20170 Comment(s) A monthly newsletter for wastewater discharge licencees, treatment facility operators, and associated persons November 2017 In this issue: Calendar Navigate the Future with MRWA’s Annual Technical Conference and Tradeshow Wastewater Operator School (WOS) to start in January Monthly Problem Set / For Practice, November Certification Update NetDMR Update CWSRF A/E Services Selection Explained Monthly Problem Set / For Practice Answers, November