Manganese in Drinking Water: Taming the Black Staining Nuisance July 23, 2026 ~ Civic Center, 52540 Front Avenue Drummond, WI 54832 (6 Municipal Water Credits) No Fee HYBRID OPTION ~ Class can be attended online- link to class will be emailed. The room will open at 7:30 AM with the class starting promptly at 8:00 ... Manganese in Drinking Water: Taming the Black Staining Nuisance (6 Municipal Water Credits)