Labs copied from the official Indiana certified lab list (last verified 2026-10-29). All Indiana labs
The official Indiana list shows 6 certified labs in Marion County. Call before you sample to confirm the lab accepts private well water and to ask about bottles, prices and drop-off times.
6340 Castleplace Dr. #300
Indianapolis, IN 46250
IDOH certified for drinking water: total coliform/E.coli, Heterotrophic plate count, antimony, arsenic, barium beryllium, cadmium, chromium, copper, nickel, selenium, thallium, lead, nitrate, nitrite and asbestos. Lab ID M-49-06 C-49-06. Call to confirm it accepts private well samples, and ask about price and turnaround.
5940 Raymond Street
Indianapolis, IN 46241
IDOH certified for drinking water: total coliform/E.coli, Heterotrophic plate count, antimony, arsenic, barium, beryllium, cadmium, chromium, copper, lead, nickel, selenium, thallium, mercury, fluoride, nitrate, nitrite, cyanide, TTHMs, The regulated VOCs & vinyl chloride. Lab ID M-49-07 C-49-07. Call to confirm it accepts private well samples, and ask about price and turnaround.
550 West 16th St Ste B
Indianapolis, IN 46202
IDOH certified for drinking water: total coliform/E.coli, Enumeration of E. coli, Heterotrophic plate count, arsenic, lead, copper, fluoride, nitrate, nitrite, radionuclides. Lab ID M-IN-00 C-IN-00. Call to confirm it accepts private well samples, and ask about price and turnaround.
3838 North Rural Street
Indianapolis, IN 46205
IDOH certified for drinking water: total coliform/E.coli, Heterotrophic plate count, arsenic, lead, copper, fluoride, nitrate, nitrite, TTHMs, The regulated VOCs & vinyl chloride. Lab ID M-49-02 C-49-04. Call to confirm it accepts private well samples, and ask about price and turnaround.
6320 La Pas Trail
Indianapolis, IN 46268
IDOH certified for drinking water: total coliform/E.coli, Enumeration of E. coli, Heterotrophic plate count. Lab ID M-49-05. Call to confirm it accepts private well samples, and ask about price and turnaround.
7726 Moller Road
Indianapolis, IN 46268
IDOH certified for drinking water: antimony, arsenic, barium, beryllium, cadmium, chromium, copper, lead, nickel, selenium, thallium, mercury, fluoride, nitrate, nitrite, cyanide, Herbicides, TTHMs, The regulated VOCs & vinyl chloride. Lab ID C-49-06. Call to confirm it accepts private well samples, and ask about price and turnaround.
Tell us what's going on with your well water. With your consent, up to 2 local treatment providers may contact you. We do not sell your info to mailing lists.
EPA says to test a private well for bacteria after flooding before drinking the water again. Check current flood alerts and Flood Watch, and read flood season testing. EPA: your well after a flood
Your Marion County or local health department can tell you about local well testing, including any free or low-cost programs. State contact: Indiana Department of Health Laboratories (lab certification).
The official Indiana certified lab list shows 6 labs in Marion County; they are listed on this page with phone numbers. Call first to confirm they accept private well samples.
EPA recommends testing every year for total coliform bacteria, nitrates, total dissolved solids and pH, and testing right away after flooding, well repairs, or a change in taste, color or smell.
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