Contaminants

Total Dissolved Solids in private well water

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

Common limit: 500 mg/L secondary standardUnit: mg/L

What to do

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

Treatment options

  • Reverse osmosis
  • Distillation
  • Source investigation

Total Dissolved Solids: Guides by state

Total Dissolved Solids in Alabama

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Alaska

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Arizona

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Arkansas

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in California

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Colorado

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Connecticut

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Delaware

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in District of Columbia

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Florida

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Georgia

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Hawaii

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Idaho

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Illinois

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Indiana

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Iowa

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Kansas

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Kentucky

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Louisiana

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Maine

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Maryland

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Massachusetts

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Michigan

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Minnesota

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Mississippi

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Missouri

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Montana

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Nebraska

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Nevada

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in New Hampshire

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in New Jersey

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in New Mexico

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in New York

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in North Carolina

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in North Dakota

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Ohio

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Oklahoma

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Oregon

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Pennsylvania

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Rhode Island

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in South Carolina

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in South Dakota

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Tennessee

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Texas

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Utah

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Vermont

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Virginia

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Washington

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in West Virginia

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Wisconsin

State-specific guide for interpreting results in private wells.

Total Dissolved Solids in Wyoming

State-specific guide for interpreting results in private wells.

Download iOS App

Interpret once on the web. Track forever in the app.

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Educational guidance only. Always confirm important decisions with a certified laboratory, local health department, qualified water treatment professional, or clinician.