January 2021 O&M Newsletter By Maine NewsIn State NewsPosted December 31, 20200 Comment(s) A monthly newsletter for wastewater discharge licencees, treatment facility operators, & associated persons January 2021 In this issue: Monthly Problem Set / For Practice, January DEP Enforcement Update Certification Update DMR-QA-2020 Recap & 2021 Preview Monthly Problem Set / For Practice Answers, January
