This series of maps and images (PDF, 9874 KB) shows:
- Examples of karts features (like sinkholes) that make surface water and groundwater in Fond du Lac County particularly vulnerable to contamination from field runoff, leaking septic systems, and over-applied lawn and garden chemicals.
- Regulations and rules that farmers follow when land applying manure, whey, or other nutrients to their fields (nutrient management planning and setback rules).
- Protocols farmers are urged to follow to avoid manure spills and contain them when they occur.
- Nitrate and bacteria sampling results from private drinking water well testing.
Becky Wagner (Fond du Lac County Land & Water Conservation Dept.), Wendy Giese (Fond du Lac County Code Enforcement Dept.), and Diana Tscheschlok (University of WI-Extension, Fond du Lac County) were invited to discuss this with the Fond du Lac Area Retired Educators Association on September 14, 2015.