September 2018 O & M Newsletter By Maine NewsIn State NewsPosted August 30, 20180 Comment(s) A monthly newsletter for wastewater discharge licencees, treatment facility operators, and associated persons September 2018 In this issue: Calendar MEWEA’s “One Water” Fall Convention Management Candidate School Monthly Problem Set / For Practice, September New Toxicity Reporting Form NetDMR Update DMR-QA Update DMR-QA BOD Test Monthly Problem Set / For Practice Answers, September