Water testing in Montana
Lowest price: $20, Missoula Public Health (Missoula City-County Health Department), Environmental Health, Clean Water.
Water Quality Lab Services (Missoula Public Health)
$20
- Bacteria
- E. coli
Pick up a bacteria test bottle at 301 W. Alder on the 2nd floor, collect the sample, and return it within 24 hours to the same office Monday through Thursday.
- Missoula Public Health, Water Quality, 301 W. Alder St., Missoula · (406) 258-4890
Checked October 1, 2026. Report a change
Private Well Testing (Montana State Environmental Laboratory)
$55
- Bacteria
- E. coli
- Nitrate
- Conductivity
- Calcium
- +15 more
Request a sample submission form and bottles from the State Environmental Laboratory by phone, collect the sample following the included instructions, and mail or hand deliver it to the lab in Helena with payment.
Open to the general public statewide, including private well owners; samples must be paid for in advance by check or credit card
- Montana State Environmental Laboratory, 1400 E Broadway St, W.F. Cogswell Building, Room B206 (mail to P.O. Box 4369), Helena · (406) 444-3444, Toll-Free (800) 821-7284
Checked October 1, 2026. Report a change
Reduced Cost Private Well Water Testing Clinic (Park County)
$125
- Antimony
- Arsenic
- Barium
- Beryllium
- Cadmium
- +25 more
Pick up a well testing kit at the Park County Extension Office during the announced pickup window, collect your sample, and return it to the same office by the stated deadline.
Open while kits last (50 kits, first come first served); cash or check only; page gives no year for the listed dates, so confirm the current cycle before relying on them
- Park County Extension Office, 222 South B Street, Livingston · 406-222-4156
Checked October 1, 2026. Report a change
Well Educated Program (MSU Extension Water Quality)
Call for price
- Alkalinity
- Bacteria
- E. coli
- Conductivity
- Nitrate
- +27 more
Pick up a Well Educated test kit at your county's participating Extension or partner office, choose a testing package, collect the sample per the included instructions, and return the kit to that same office.
Private well owners in participating Montana counties; the program states it is not intended for real estate or legal purposes
- Gallatin Water Quality District (Well Educated partner), 400 East Babcock, Bozeman · 582-3168
- Flathead Extension Office (Well Educated partner), 1108 S Main St Suite 4, Kalispell · 758-5553
- Yellowstone Extension Office (Well Educated partner), 2320 3rd Ave N, Billings · 256-2828
Checked October 1, 2026. Report a change