Missouri Department of Natural Resources-Environmental Services CAS Laboratory

At a glance

What it is certified to test

4 of the 9 common well tests on the MO list (see which)

Price

no per-test price printed on the lab’s website when we read it (15 Nov 2026): ask for a quote

Turnaround

not stated on the state list or the lab’s website: ask when you order

Homeowner samples

not stated: ask the lab

Lab facts

Listed by

Missouri (Missouri Department of Natural Resources (chemical labs) + Department of Health and Senior Services (microbiological labs))

Address

2710 W. Main St., P.O. Box 176, Jefferson City, MO 65102 · Open in Google Maps

Phone

(573) 526-3315

Website

dnr.mo.gov/about-us/division-environmental-quality/environmental-services-program

Not on the state list: found and checked by us, 15 Nov 2026

Public / homeowner samples

Public samples: ask the lab

Not stated in the list.

Certification record

Certificate ID

MO cert R7 MO C01 (chemical)

Issued by

Missouri Department of Natural Resources (chemical labs) + Department of Health and Senior Services (microbiological labs) (certification program)

Expiry on the list

7/31/2026 · Date on list has passed (107 days ago)

List version

Missouri DNR - Certified Chemical Laboratories (spreadsheet of all laboratories), version Live export fetched 2026-11-15 (no list date printed in the file)

We fetched it

15 Nov 2026 (file SHA-256 1807923f50eb…) · open the state file

Tests on the state list

• Named on the official list The state list names this analyte (or a column for it) for this lab.
• Group-level certification Certified for a parent group (e.g. 'Inorganics') that includes this analyte. Confirm the specific test with the lab.
• Partial group certification The list marks the group as 'Partial'. Confirm this analyte with the lab.
• Subcontracted The lab sends this analyte to another accredited lab (MDH 'X*').

69 certified drinking-water chemical parameters (analyte-level list). MO marks the lab 'Commercial' (performs analyses for hire): chemical list No.

Before you send a sample

Call the lab to confirm it's currently certified for the exact test and method, that it accepts samples from homeowners, and how to collect and ship them. Bacteria samples have short holding times. Status can change between list updates. To check a status, contact the Missouri certification program.

Is this your lab?

Labs can ask for corrections through the agency that publishes their state list. Homeowner service, prices and turnaround above come only from the lab’s own website. To ask us to correct or remove this listing, write to us (how we handle listings).