Water testing in Missouri

Lowest price: Free, Jefferson County Health Department.

Well water

Water Sample Testing, Minerals and Heavy Metals (Free)

Free

free test

  • Minerals
  • Heavy metals

Pick up a free minerals and heavy metals test kit from the Hillsboro or Arnold office and drop off the sample before the posted cutoff time.

  • Hillsboro Office, 1515 Peach Tree Plaza Ct., Hillsboro · 636-797-3737
  • Arnold Office, 1818 Lonedell Rd., Arnold · 636-797-3737

Checked October 1, 2026. Report a change

Well water

Free Well Water Assessment and Testing, Individual Well Program

Free

  • Contamination screening (general)

Sign up for a free well assessment through the Midwest Assistance Program website or contact the MO/IA/KS/MN coordinator directly.

Private well owners in Missouri, Iowa, Kansas, or Minnesota; contact coordinator Jesse Campbell for Missouri.

  • Midwest Assistance Program, Inc., 309 E Summit Dr, Maryville · (660) 562-2575

Checked October 1, 2026. Report a change

Well water

Private Drinking Water Bacteriological Testing

$10

  • Bacteria
  • E. coli

Get a free collection kit from your local public health agency or State District Health Office, then mail or courier the sample with a $10 check or money order to the State Public Health Laboratory within 48 hours of collection.

Property owners may submit samples from private wells or other drinking water sources for bacterial testing.

  • Missouri State Public Health Laboratory, 101 N. Chestnut Street, PO Box 570, Jefferson City · 573-751-3334

Checked October 1, 2026. Report a change

Well water

Well Water Testing

$13

  • Bacteria
  • Chlorine
  • Hardness
  • Iron
  • Nitrate
  • +2 more

Pick up a test kit at the Health Department Monday through Friday, collect the sample, and bring it in within 48 hours Monday through Thursday before 3 p.m.

Private well owners in Greene County; out-of-county well owners may also submit samples at a higher fee.

  • Springfield-Greene County Health Department Lab, 227 E Chestnut Expwy, Springfield · 417-864-1669

Checked October 1, 2026. Report a change

Well water

Water Analysis, Soil and Plant Testing Laboratory

$40

Domestic package, $40

  • Hardness
  • Nitrate
  • Sulfate
  • Chloride
  • Sodium
  • +11 more

Download the water sample form, pay by check or money order, and mail a 500 ml or 16 fl oz sample to the MU Soil and Plant Testing Lab in Columbia.

Open to homeowners and well owners statewide; lab does not offer bacteriological, heavy metal, or pesticide tests.

  • MU Soil and Plant Testing Lab, 23 Mumford Hall, University of Missouri, Columbia · 573-882-0623

Checked October 1, 2026. Report a change

Well water

Water Sample Testing, Microbiology

Call for price

  • E. coli
  • Bacteria

Call to schedule, pick up a test kit at the Hillsboro or Arnold office, then drop off the sample before the posted cutoff time.

  • Hillsboro Office, 1515 Peach Tree Plaza Ct., Hillsboro · 636-797-3737
  • Arnold Office, 1818 Lonedell Rd., Arnold · 636-797-3737

Checked October 1, 2026. Report a change

Well water

Private Drinking Water Chemical Analysis, New Well Series and Full Panel

Call for price

  • Fluoride
  • Chloride
  • Nitrate
  • Sulfate
  • Iron
  • +5 more

Contact your Local Public Health Agency to get a sample collection kit and instructions for the New Well Series or Full Panel chemical test.

Private groundwater wells, cisterns, and larger private water systems that serve more than one residence, serving no more than 25 people at least 60 days a year with no more than 15 service connections.

  • Missouri State Public Health Laboratory, Environmental Epidemiology, 101 N. Chestnut Street, PO Box 570, Jefferson City · 573-751-6102

Checked October 1, 2026. Report a change

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