1 p.m. Saturday, May 21. The St. Johns River Water Management District is an environmental regulatory agency of the State of Florida whose work spans 18 counties in northeast and east-central Florida. Join Intergovernmental Coordinator James Cannon to learn about the four core missions of the district: water supply, water quality, flood protection and natural systems. These core missions guide the work of the district’s staff for the benefit of all residents in the district’s service area. This presentation is part of the free Lemonade Lectures series sponsored by Volusia County. Light refreshments and lemonade will be served.