Water table is deeper than 20 feet. Manure stacked on high ground on sand or sandy loam soil. Fractured bedrock or water table shallower than 20 feet. Contained manure stacks Building with side walls has concrete floor, protected from surface water runoff. Bedding provided to soak up leakage from manure.
Roof cover with no sidewalls or concrete floor with curb.
Protected from surface water runoff. Bedding provided to soak up leakage from manure. Roof cover with no sidewalls, has earthen floor on silt loam, clay loam, or silty clay soils. Water table or fractured bedrock deeper than 20 feet. Roof cover with no sidewalls, has earthen floor on sand or sandy loam soil.