Water testing in Dakota County, MN

Lowest listed local program price: Free, Dakota County Environmental Services.

Well waterLimitedMail-in option

Dakota County Community-Focused Sampling Program

Free

  • Bacteria
  • Nitrate
  • Manganese
  • Arsenic
  • Lead
  • Fluoride

Wait for a postcard mailed to eligible communities or fill out the online request form to receive a free test kit while supplies last.

Who can use it: Households and businesses in Greenvale, Castle Rock, Eureka, Waterford, Sciota, and Randolph townships, plus the cities of Randolph and Northfield; kits are first-come, first-served while program funding lasts.

  • Dakota County Environmental Services, 14955 Galaxie Ave., Apple Valley · 952-891-7000

Checked October 1, 2026. Official page · Report a change

Well water

Dakota County Well Water Testing

$21, other prices posted

  • Bacteria
  • Nitrate
  • Manganese
  • Arsenic
  • Lead
  • Fluoride

Purchase a well water testing kit online from Dakota County, collect the sample, and drop it at one of three county locations on the required schedule.

All posted prices

Coliform bacteria - $21, Nitrate - $21, Manganese - $21, Arsenic - $21, Lead - $21, Fluoride - $21

Who can use it: Well owners who do not qualify for the county's free community testing program can buy individual tests; results are emailed.

  • Dakota County Western Service Center (drop-off and office), 14955 Galaxie Ave., Apple Valley · 952-891-7000
  • Extension and Conservation Center (drop-off), 4100 220th St. W., Farmington · 952-891-7000
  • Pleasant Hill Library (drop-off), 1490 S. Frontage Road, Hastings · 952-891-7000

Checked October 1, 2026. Official page · Report a change

See statewide tests and certified-lab lists for Minnesota.

What your results mean