10/07/2026
Site the manure pile before the ban.
Two hard dates bracket this window. Vermont's winter manure spreading ban runs "December 15" through "April 1" — 107 days when the field is simply not an option — and Penn State Extension defines winter for manure purposes as "Between December 15 and February 28; or / Any time the ground is snow-covered; or / Any time the soil is frozen 4 inches or deeper." That is roughly ten weeks from the start of this window, which is the realistic lead time to lay out a site, pour or gravel a pad and stack it before the ground is unworkable. The second date is money: NRCS lists FY 2027 EQIP ranking cutoffs of "Thursday, Oct. 1, 2026" for Pennsylvania and "Friday, Oct. 9, 2026" for Georgia, both inside this window, and practice 313 Waste Storage Facility is the practice a cost-shared stacking pad is written under. Miss the ranking date and the pad is entirely out of pocket for another year.
The national practice standard requires "Minimum of 6 inches for vertical walled facilities" and "Minimum of 12 inches for all other facilities and under-floor storages that require pit ventilation" of freeboard; to "Locate the bottom elevation a minimum of 2 feet above the seasonal high-water table"; "A minimum of 2 feet of soil" between a floor slab and bedrock; and siting "outside the 100-year floodplain, unless site restrictions require locating it within the floodplain." It sets no fixed setback distances, requiring instead that the planner consider "Distance to surface water, wells, non-farm residence(s), and property lines.". (USDA Natural Resources Conservation Service)
Penn State Extension gives both the sizing math and the Pennsylvania rule: a 1,000-pound horse produces "approximately 51 pounds or 0.8 cubic feet of manure (urine + f***s) per day" and "about 9 tons or 290 cubic feet of manure" annually; soiled bedding adds 0.6-1.6 cubic feet and 8-15 pounds per day, and "the volume of soiled bedding removed is approximately twice the volume of manure removed." A worked six-month example for one stalled horse gives "44.2 pounds stall waste collected daily" = "8,044 pounds (4 tons) in 6 months" and "1.54 cubic feet stall waste collected daily" = "280 cubic feet in 6 months." Manure stacked off-farmstead must be "at least 100 feet away from 'sensitive areas' like streams, lakes, ponds, wetlands, drinking water wells, and sinkholes," on slopes less than 8%, and covered if stored more than 120 days without an improved surface. Passive composting piles should be "no larger than 12' at the base and 6' in height," with a "minimum size for a pile to begin heating" of "3'x3'x3'.". (Penn State Extension)
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