Runoff can come from many sources including water runoff from agriculture or farming operations, soil erosion/runoff from construction sites, poorly maintained septic systems, improper use of lawn and garden fertilizers and pesticides.
(Runoff; can come; from many sources including water runoff from agriculture or farming operations, soil erosion/runoff from construction sites)
Runoff
can come
from many sources including water runoff from agriculture or farming operations, soil erosion/runoff from construction sites