• GWT is a local water testing company based in Southold, NY

    Laboratory: Long Island Analytical Laboratories, Holbrook, NY
  • Municipal Water Test

    • Metals - 
    • Nitrogen/Nitrates - 
    • Hex Avalent Chromium - 
    • Haloacetic Acids -
    • POC's -  
    • Disinfection Byproducts -
    • IC Anions -
    • MBAS Surfactants - 
    • Bacteria and E Coli - 
  • Municipal Water Test ........................................................$600

  • Please note this is NOT a complete potable water test by Suffolk County, NY standards. If you are looking to run a potable water test Click Here to go to our Suffolk County Potable Water Test

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  • * We recommend doing a raw water test to get a true read on your municipal water quality.

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