For more: http://www.extension.org/68188 While most attention about environmental impacts is directed toward large animal feeding operations, small farms cannot ignore proper storage and handling of manure.
Manure Management Facilities and Structures for Small Farms
1. Siting, Pads & Structures
Jean Bonhotal
Cornell Waste Management Institute
http://cwmi.css.cornell.edu
2. Well-drained, at least 200 ft from water courses,
sinkholes, seasonal seeps or other landscape
features that indicate the area is hydrologically
sensitive. Rules vary by state and depth to
Ground water and soil type.
3. Considerations in Siting
• Away from Ground and Surface Water
• Out of fields being grazed
• Rotating Windrows
• Convenience
• Seasonality