When surface waters recede or the basement or well pit is pumped dry, then the well should be pumped until the water is clear and free of any mud, sand, or silt.
(surface waters; recede; ) (the water; is; clear and free of any mud, sand, or silt) (pit; is pumped then; T:When surface waters recede or the basement) Context(pit is pumped then,List([51, 74))):(the well; should be pumped; T:until the water is clear and free of any mud, sand, or silt)
pit is pumped then,List([51, 74))
surface waters the water pit the well
recede is is pumped then should be pumped
clear and free of any mud, sand, or silt
T:When surface waters recede or the basement
T:until the water is clear and free of any mud, sand, or silt