Environmental

A Nebraska property near an agricultural area shows elevated nitrate levels in well water. The primary source is likely:

AOld lead pipes
BSeptic tank failure
CAgricultural fertilizer runoff✓ Correct
DIndustrial discharge

Explanation

Agricultural fertilizer (particularly nitrogen) runoff is the primary source of nitrate contamination in Nebraska groundwater. High nitrate levels are a serious health concern, especially for infants.

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