Water testing in Marathon County, WI

Lowest listed local program price: $28, other prices posted, Marathon County Health Department, Public Health Laboratory.

Well water

Marathon County Public Health Laboratory Water Testing

$28, other prices posted

  • Bacteria
  • E. coli
  • Nitrate
  • Fluoride
  • pH
  • +5 more

Click the "Order a Water Test Kit" button on the Water Testing page to order a test kit; qualifying low-income households with a pregnant person, a child 12 or younger, or someone with a weakened immune system may qualify for free testing through Wisconsin WellTAP.

All posted prices

Package 1: Coliform Bacteria/E. coli and Nitrate $61.00; Package 2: Coliform Bacteria/E. coli, Nitrate, and Fluoride $88.00; Individual tests: Coliform Bacteria/E. coli $28.00, Nitrate $41.00, Fluoride $31.00, pH $14.00, Total Alkalinity $14.00, Iron $14.00, Hardness $14.00, Copper $14.00, Arsenic or Lead $52.00, Arsenic RUSH or Lead RUSH $91.00, plus a $5.00 sample kit shipping fee

Who can use it: Private well owners and renters in Marathon County and surrounding counties, Wisconsin; free testing is available to qualifying households through Wisconsin WellTAP.

  • Marathon County Health Department, Water Testing Lab, 1000 Lake View Drive, Suite 100, Wausau · 715-261-1908

Checked October 2, 2026. Official page · Report a change

See statewide tests and certified-lab lists for Wisconsin.

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