Water Testing Informational Video

Annual Water Testing

Brought to you by National Ground Water Association


Your checkup should include:

  • A flow test to determine system output, along with a check of the water level before and during pumping (if possible), pump motor performance (check amp load, grounding, and line voltage), pressure tank and pressure switch contact, and general water quality (odor, cloudiness, etc.).


  • An inspection of well equipment to assure that it is sanitary and meets local code requirements.


  • A test of your water for coliform bacteria and nitrates, and anything else of local concern. Other typical additional tests are those for iron, manganese, water hardness, sulfides, and other water constituents that cause problems with plumbing, staining, water appearance, and odor. Changes in these constituents also may indicate changes in your well or local ground water. Additional tests may be recommended if water appears cloudy or oily, if bacterial growth is visible on fixtures, or water treatment devices are not working as they should. Check with Merrill Well Drilling & Pump Service for additional information and requirements from the state department of natural resources, or local health department regarding local water quality issues.
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