Wastewater Works: From Wastewater Basics to Pumps in Action! April 22, 2026 ~ Spooner Fire Station, 1400 N River St, Spooner, WI 54801 (6 Municipal Wastewater Credits) No Fee HYBRID OPTION ~This class can also be attended online – a link to class will be emailed. The room will open at 7:30 AM with the ... Wastewater Works: From Wastewater Basics to Pumps in Action! (6 Municipal Wastewater Credits)