With the recent concerns over drinking water contamination from hydraulic fracturing (fracking), I would highly suggest testing your well water if you live even remotely near a fracking site.  Other sources of contamination like gas stations, junkyards, farms should also be of concern. 

• If your well is near a hydro fracturing site, you should be testing for BTEX compounds (benzene, toluene, ethylbenzene, xylene)
• If your well is near a mine, test for heavy metals like iron and aluminum.
• If your well is located near a junkyard, landfill, factory, or dry cleaning operation, test for volatile organic compounds (VOCs) and heavy metals like cadmium, nickel, and lead.

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Even if you don't live near a site listed above, you should still consider testing your well water for contamination.  For more information on hydraulic fracturing, I highly recommend watching the documentary "Gasland".

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