Contaminants
Nitrate in private well water
High nitrate can be dangerous for infants and pregnant people.
What to do
Do not use high-nitrate water for infant formula. Confirm with a certified lab and consider point-of-use reverse osmosis.
Treatment options
- Reverse osmosis
- Distillation
- Anion exchange
Nitrate: Guides by state
Nitrate in Alabama
State-specific guide for interpreting results in private wells.
Nitrate in Alaska
State-specific guide for interpreting results in private wells.
Nitrate in Arizona
State-specific guide for interpreting results in private wells.
Nitrate in Arkansas
State-specific guide for interpreting results in private wells.
Nitrate in California
State-specific guide for interpreting results in private wells.
Nitrate in Colorado
State-specific guide for interpreting results in private wells.
Nitrate in Connecticut
State-specific guide for interpreting results in private wells.
Nitrate in Delaware
State-specific guide for interpreting results in private wells.
Nitrate in District of Columbia
State-specific guide for interpreting results in private wells.
Nitrate in Florida
State-specific guide for interpreting results in private wells.
Nitrate in Georgia
State-specific guide for interpreting results in private wells.
Nitrate in Hawaii
State-specific guide for interpreting results in private wells.
Nitrate in Idaho
State-specific guide for interpreting results in private wells.
Nitrate in Illinois
State-specific guide for interpreting results in private wells.
Nitrate in Indiana
State-specific guide for interpreting results in private wells.
Nitrate in Iowa
State-specific guide for interpreting results in private wells.
Nitrate in Kansas
State-specific guide for interpreting results in private wells.
Nitrate in Kentucky
State-specific guide for interpreting results in private wells.
Nitrate in Louisiana
State-specific guide for interpreting results in private wells.
Nitrate in Maine
State-specific guide for interpreting results in private wells.
Nitrate in Maryland
State-specific guide for interpreting results in private wells.
Nitrate in Massachusetts
State-specific guide for interpreting results in private wells.
Nitrate in Michigan
State-specific guide for interpreting results in private wells.
Nitrate in Minnesota
State-specific guide for interpreting results in private wells.
Nitrate in Mississippi
State-specific guide for interpreting results in private wells.
Nitrate in Missouri
State-specific guide for interpreting results in private wells.
Nitrate in Montana
State-specific guide for interpreting results in private wells.
Nitrate in Nebraska
State-specific guide for interpreting results in private wells.
Nitrate in Nevada
State-specific guide for interpreting results in private wells.
Nitrate in New Hampshire
State-specific guide for interpreting results in private wells.
Nitrate in New Jersey
State-specific guide for interpreting results in private wells.
Nitrate in New Mexico
State-specific guide for interpreting results in private wells.
Nitrate in New York
State-specific guide for interpreting results in private wells.
Nitrate in North Carolina
State-specific guide for interpreting results in private wells.
Nitrate in North Dakota
State-specific guide for interpreting results in private wells.
Nitrate in Ohio
State-specific guide for interpreting results in private wells.
Nitrate in Oklahoma
State-specific guide for interpreting results in private wells.
Nitrate in Oregon
State-specific guide for interpreting results in private wells.
Nitrate in Pennsylvania
State-specific guide for interpreting results in private wells.
Nitrate in Rhode Island
State-specific guide for interpreting results in private wells.
Nitrate in South Carolina
State-specific guide for interpreting results in private wells.
Nitrate in South Dakota
State-specific guide for interpreting results in private wells.
Nitrate in Tennessee
State-specific guide for interpreting results in private wells.
Nitrate in Texas
State-specific guide for interpreting results in private wells.
Nitrate in Utah
State-specific guide for interpreting results in private wells.
Nitrate in Vermont
State-specific guide for interpreting results in private wells.
Nitrate in Virginia
State-specific guide for interpreting results in private wells.
Nitrate in Washington
State-specific guide for interpreting results in private wells.
Nitrate in West Virginia
State-specific guide for interpreting results in private wells.
Nitrate in Wisconsin
State-specific guide for interpreting results in private wells.
Nitrate 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.