Contaminants
Arsenic in private well water
Long-term arsenic exposure is linked to cancer and other chronic health risks.
What to do
Confirm the result, use bottled water for drinking if elevated, and install certified treatment for drinking/cooking water.
Treatment options
- Reverse osmosis
- Adsorptive media
- Distillation
Arsenic: Guides by state
Arsenic in Alabama
State-specific guide for interpreting results in private wells.
Arsenic in Alaska
State-specific guide for interpreting results in private wells.
Arsenic in Arizona
State-specific guide for interpreting results in private wells.
Arsenic in Arkansas
State-specific guide for interpreting results in private wells.
Arsenic in California
State-specific guide for interpreting results in private wells.
Arsenic in Colorado
State-specific guide for interpreting results in private wells.
Arsenic in Connecticut
State-specific guide for interpreting results in private wells.
Arsenic in Delaware
State-specific guide for interpreting results in private wells.
Arsenic in District of Columbia
State-specific guide for interpreting results in private wells.
Arsenic in Florida
State-specific guide for interpreting results in private wells.
Arsenic in Georgia
State-specific guide for interpreting results in private wells.
Arsenic in Hawaii
State-specific guide for interpreting results in private wells.
Arsenic in Idaho
State-specific guide for interpreting results in private wells.
Arsenic in Illinois
State-specific guide for interpreting results in private wells.
Arsenic in Indiana
State-specific guide for interpreting results in private wells.
Arsenic in Iowa
State-specific guide for interpreting results in private wells.
Arsenic in Kansas
State-specific guide for interpreting results in private wells.
Arsenic in Kentucky
State-specific guide for interpreting results in private wells.
Arsenic in Louisiana
State-specific guide for interpreting results in private wells.
Arsenic in Maine
State-specific guide for interpreting results in private wells.
Arsenic in Maryland
State-specific guide for interpreting results in private wells.
Arsenic in Massachusetts
State-specific guide for interpreting results in private wells.
Arsenic in Michigan
State-specific guide for interpreting results in private wells.
Arsenic in Minnesota
State-specific guide for interpreting results in private wells.
Arsenic in Mississippi
State-specific guide for interpreting results in private wells.
Arsenic in Missouri
State-specific guide for interpreting results in private wells.
Arsenic in Montana
State-specific guide for interpreting results in private wells.
Arsenic in Nebraska
State-specific guide for interpreting results in private wells.
Arsenic in Nevada
State-specific guide for interpreting results in private wells.
Arsenic in New Hampshire
State-specific guide for interpreting results in private wells.
Arsenic in New Jersey
State-specific guide for interpreting results in private wells.
Arsenic in New Mexico
State-specific guide for interpreting results in private wells.
Arsenic in New York
State-specific guide for interpreting results in private wells.
Arsenic in North Carolina
State-specific guide for interpreting results in private wells.
Arsenic in North Dakota
State-specific guide for interpreting results in private wells.
Arsenic in Ohio
State-specific guide for interpreting results in private wells.
Arsenic in Oklahoma
State-specific guide for interpreting results in private wells.
Arsenic in Oregon
State-specific guide for interpreting results in private wells.
Arsenic in Pennsylvania
State-specific guide for interpreting results in private wells.
Arsenic in Rhode Island
State-specific guide for interpreting results in private wells.
Arsenic in South Carolina
State-specific guide for interpreting results in private wells.
Arsenic in South Dakota
State-specific guide for interpreting results in private wells.
Arsenic in Tennessee
State-specific guide for interpreting results in private wells.
Arsenic in Texas
State-specific guide for interpreting results in private wells.
Arsenic in Utah
State-specific guide for interpreting results in private wells.
Arsenic in Vermont
State-specific guide for interpreting results in private wells.
Arsenic in Virginia
State-specific guide for interpreting results in private wells.
Arsenic in Washington
State-specific guide for interpreting results in private wells.
Arsenic in West Virginia
State-specific guide for interpreting results in private wells.
Arsenic in Wisconsin
State-specific guide for interpreting results in private wells.
Arsenic in Wyoming
State-specific guide for interpreting results in private wells.
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Download the iOS appEducational guidance only. Always confirm important decisions with a certified laboratory, local health department, qualified water treatment professional, or clinician.