Within 10 feet downslope or within 100 feet upslope from well. Mixing and loading pad spill containment Concrete pad with curb keeps all spills contained and drains to sump. Concrete pad with curb keeps all spills contained. Concrete pad with some cracks keeps most spills contained. No curb or sump.
Spills soak into ground or drain toward well.
Anti-backflow device installed. Hose in tank above waterline. No anti-backflow device. Hose in tank above waterline. No anti-backflow device.