Maine well water / Total Dissolved Solids

Total Dissolved Solids in Maine private well water

If your Maine well water test shows total dissolved solids, compare the number to common health and aesthetic benchmarks, then confirm next steps with a certified lab or local professional.

Limit: 500 mg/L secondary standardUnit: mg/LRegion: Northeast

Plain-English interpretation

High TDS can indicate salty, mineralized, or otherwise poor-tasting water.

Use TDS as a signal to investigate specific dissolved minerals rather than as a standalone health diagnosis.

What Maine homeowners should check

  • Confirm the exact unit on the lab report before comparing limits.
  • Retest health-related contaminants with a certified lab before major treatment purchases.
  • Keep a copy of each report for home sale, rental, and treatment service records.
  • Set an annual reminder for bacteria and nitrate testing.

Treatment discussions

  • Reverse osmosis
  • Distillation
  • Source investigation

Related Maine well water guides

Keep your well history

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Save test history, set annual reminders, compare results over time, and create a shareable report for your family or water professional.

Track Total Dissolved Solids results in the app