Contaminants
E. coli in private well water
E. coli suggests fecal contamination and can cause acute illness.
What to do
Do not drink the water. Use bottled water and contact your local health department or well professional.
Treatment options
- Immediate alternative water
- Well disinfection
- Source correction
E. coli: Guides by state
E. coli in Alabama
State-specific guide for interpreting results in private wells.
E. coli in Alaska
State-specific guide for interpreting results in private wells.
E. coli in Arizona
State-specific guide for interpreting results in private wells.
E. coli in Arkansas
State-specific guide for interpreting results in private wells.
E. coli in California
State-specific guide for interpreting results in private wells.
E. coli in Colorado
State-specific guide for interpreting results in private wells.
E. coli in Connecticut
State-specific guide for interpreting results in private wells.
E. coli in Delaware
State-specific guide for interpreting results in private wells.
E. coli in District of Columbia
State-specific guide for interpreting results in private wells.
E. coli in Florida
State-specific guide for interpreting results in private wells.
E. coli in Georgia
State-specific guide for interpreting results in private wells.
E. coli in Hawaii
State-specific guide for interpreting results in private wells.
E. coli in Idaho
State-specific guide for interpreting results in private wells.
E. coli in Illinois
State-specific guide for interpreting results in private wells.
E. coli in Indiana
State-specific guide for interpreting results in private wells.
E. coli in Iowa
State-specific guide for interpreting results in private wells.
E. coli in Kansas
State-specific guide for interpreting results in private wells.
E. coli in Kentucky
State-specific guide for interpreting results in private wells.
E. coli in Louisiana
State-specific guide for interpreting results in private wells.
E. coli in Maine
State-specific guide for interpreting results in private wells.
E. coli in Maryland
State-specific guide for interpreting results in private wells.
E. coli in Massachusetts
State-specific guide for interpreting results in private wells.
E. coli in Michigan
State-specific guide for interpreting results in private wells.
E. coli in Minnesota
State-specific guide for interpreting results in private wells.
E. coli in Mississippi
State-specific guide for interpreting results in private wells.
E. coli in Missouri
State-specific guide for interpreting results in private wells.
E. coli in Montana
State-specific guide for interpreting results in private wells.
E. coli in Nebraska
State-specific guide for interpreting results in private wells.
E. coli in Nevada
State-specific guide for interpreting results in private wells.
E. coli in New Hampshire
State-specific guide for interpreting results in private wells.
E. coli in New Jersey
State-specific guide for interpreting results in private wells.
E. coli in New Mexico
State-specific guide for interpreting results in private wells.
E. coli in New York
State-specific guide for interpreting results in private wells.
E. coli in North Carolina
State-specific guide for interpreting results in private wells.
E. coli in North Dakota
State-specific guide for interpreting results in private wells.
E. coli in Ohio
State-specific guide for interpreting results in private wells.
E. coli in Oklahoma
State-specific guide for interpreting results in private wells.
E. coli in Oregon
State-specific guide for interpreting results in private wells.
E. coli in Pennsylvania
State-specific guide for interpreting results in private wells.
E. coli in Rhode Island
State-specific guide for interpreting results in private wells.
E. coli in South Carolina
State-specific guide for interpreting results in private wells.
E. coli in South Dakota
State-specific guide for interpreting results in private wells.
E. coli in Tennessee
State-specific guide for interpreting results in private wells.
E. coli in Texas
State-specific guide for interpreting results in private wells.
E. coli in Utah
State-specific guide for interpreting results in private wells.
E. coli in Vermont
State-specific guide for interpreting results in private wells.
E. coli in Virginia
State-specific guide for interpreting results in private wells.
E. coli in Washington
State-specific guide for interpreting results in private wells.
E. coli in West Virginia
State-specific guide for interpreting results in private wells.
E. coli in Wisconsin
State-specific guide for interpreting results in private wells.
E. coli in Wyoming
State-specific guide for interpreting results in private wells.
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