Farm ponds are sometimes constructed by damming up small streams. These ponds form reservoirs of water for irrigation, livestock use, and aquaculture. They often collect surface runoff that may contain high concentrations of fertilizers. Some ponds may be deeper than the watertable, which makes the possibility of contaminating the adjacent ground water even greater.
One method of reducing the risk associated with fertilizer contamination of farm ponds is to establish a buffer zone between the pond and nearby fields where fertilizer is applied. Another is to minimize the amount of fertilizer applied to nearby fields.
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