Well water contaminant guide

Lead in private well water

Lead is especially harmful for children and pregnancy, even at low levels.

Common limit: 15 ppb EPA action level; no safe level for childrenUnit: ppbhealth

What to do

Use certified filtered or bottled water for drinking and cooking until plumbing and treatment are evaluated.

Treatment options

  • NSF-certified lead filter
  • Reverse osmosis
  • Plumbing replacement

Lead guides by state

Lead in Alabama well water

State-specific guide for interpreting lead results in private wells.

Lead in Alaska well water

State-specific guide for interpreting lead results in private wells.

Lead in Arizona well water

State-specific guide for interpreting lead results in private wells.

Lead in Arkansas well water

State-specific guide for interpreting lead results in private wells.

Lead in California well water

State-specific guide for interpreting lead results in private wells.

Lead in Colorado well water

State-specific guide for interpreting lead results in private wells.

Lead in Connecticut well water

State-specific guide for interpreting lead results in private wells.

Lead in Delaware well water

State-specific guide for interpreting lead results in private wells.

Lead in District of Columbia well water

State-specific guide for interpreting lead results in private wells.

Lead in Florida well water

State-specific guide for interpreting lead results in private wells.

Lead in Georgia well water

State-specific guide for interpreting lead results in private wells.

Lead in Hawaii well water

State-specific guide for interpreting lead results in private wells.

Lead in Idaho well water

State-specific guide for interpreting lead results in private wells.

Lead in Illinois well water

State-specific guide for interpreting lead results in private wells.

Lead in Indiana well water

State-specific guide for interpreting lead results in private wells.

Lead in Iowa well water

State-specific guide for interpreting lead results in private wells.

Lead in Kansas well water

State-specific guide for interpreting lead results in private wells.

Lead in Kentucky well water

State-specific guide for interpreting lead results in private wells.

Lead in Louisiana well water

State-specific guide for interpreting lead results in private wells.

Lead in Maine well water

State-specific guide for interpreting lead results in private wells.

Lead in Maryland well water

State-specific guide for interpreting lead results in private wells.

Lead in Massachusetts well water

State-specific guide for interpreting lead results in private wells.

Lead in Michigan well water

State-specific guide for interpreting lead results in private wells.

Lead in Minnesota well water

State-specific guide for interpreting lead results in private wells.

Lead in Mississippi well water

State-specific guide for interpreting lead results in private wells.

Lead in Missouri well water

State-specific guide for interpreting lead results in private wells.

Lead in Montana well water

State-specific guide for interpreting lead results in private wells.

Lead in Nebraska well water

State-specific guide for interpreting lead results in private wells.

Lead in Nevada well water

State-specific guide for interpreting lead results in private wells.

Lead in New Hampshire well water

State-specific guide for interpreting lead results in private wells.

Lead in New Jersey well water

State-specific guide for interpreting lead results in private wells.

Lead in New Mexico well water

State-specific guide for interpreting lead results in private wells.

Lead in New York well water

State-specific guide for interpreting lead results in private wells.

Lead in North Carolina well water

State-specific guide for interpreting lead results in private wells.

Lead in North Dakota well water

State-specific guide for interpreting lead results in private wells.

Lead in Ohio well water

State-specific guide for interpreting lead results in private wells.

Lead in Oklahoma well water

State-specific guide for interpreting lead results in private wells.

Lead in Oregon well water

State-specific guide for interpreting lead results in private wells.

Lead in Pennsylvania well water

State-specific guide for interpreting lead results in private wells.

Lead in Rhode Island well water

State-specific guide for interpreting lead results in private wells.

Lead in South Carolina well water

State-specific guide for interpreting lead results in private wells.

Lead in South Dakota well water

State-specific guide for interpreting lead results in private wells.

Lead in Tennessee well water

State-specific guide for interpreting lead results in private wells.

Lead in Texas well water

State-specific guide for interpreting lead results in private wells.

Lead in Utah well water

State-specific guide for interpreting lead results in private wells.

Lead in Vermont well water

State-specific guide for interpreting lead results in private wells.

Lead in Virginia well water

State-specific guide for interpreting lead results in private wells.

Lead in Washington well water

State-specific guide for interpreting lead results in private wells.

Lead in West Virginia well water

State-specific guide for interpreting lead results in private wells.

Lead in Wisconsin well water

State-specific guide for interpreting lead results in private wells.

Lead in Wyoming well water

State-specific guide for interpreting lead results in private wells.

Keep your well history

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

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

Track Lead in the iOS app