Bigelow Laboratory for Ocean Sciences
- PFAS
Maine CDC list code BGL. Listed as PFAS only.
Well water testing labs in Maine
Last verified October 27, 2026 against the official state list (Maine CDC In-State Commercial Drinking Water Labs, last updated 5/16/2026).
These are the in-state commercial drinking water labs on Maine CDC's accredited laboratory list. Maine accredits labs test by test, so call the lab to confirm it is accredited for each test you need before you order a kit.
Certified labs (primary and secondary contaminants)
ClearWater Laboratory (a division of Acheron Engineering)
- See state list
Maine CDC list code CLWR.
Eurofins Auburn (previously A&L Laboratory)
- PFAS
Maine CDC list code LAB-EWA. Also on Maine's accredited PFAS lab list (as A & L Laboratory).
Eurofins Portland ME
- Coliform bacteria
Maine CDC list code LAB-EEP. Listed as bacteria only.
Health and Environmental Testing Laboratory (state lab)
- See state list
Maine CDC list code HETL. This is the state's public health laboratory.
Katahdin Analytical Services (SGS Scarborough)
- PFAS
Maine CDC list code KTHDN. Also on Maine's accredited PFAS lab list.
Maine Coast Laboratory (DBA Water Quality & Compliance Services Inc.)
- See state list
Maine CDC list code MEC.
Maine Laboratories, LLC
- PFAS
Maine CDC list code MLN. Listed as PFAS only.
Mi'Kmaq Environmental Laboratory
- Coliform bacteria
Maine CDC list code MNL. Listed as bacteria only.
Nelson Analytical Lab
- See state list
Maine CDC list code NLSON.
NELAnalytical (previously Northeast Laboratory Services)
- See state list
Maine CDC list code NELAB.
Nova Analytic Labs (DBA Nova EnviroLabs)
- PFAS
Maine CDC list code NAP. Listed as PFAS only.
“(subcontracted)” means: May be subcontracted, call to confirm. Manganese is left off where the state list shows no mark.
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Notes on this list
- This page copies Maine CDC's list of in-state commercial drinking water labs (last updated 5/16/2026). Maine also accredits out-of-state labs; the full roster is in the All Accredited Laboratories spreadsheet linked under Sources.
- Labs are accredited by test, and the tests a lab can do change regularly. Maine CDC says to confirm with the lab, or call the Drinking Water Program at 207-287-2070 and ask for the Laboratory Accreditation Officer.
- If you mail a bacteria sample, check with the lab that it can receive it within the holding time from your postal area. Maine CDC notes many labs offer statewide service.
- The PFAS column also uses Maine CDC's Accredited PFAS Laboratories list (current as of 12/11/2024), which includes out-of-state labs not shown here.
What the state recommends
- Test your private well every year for coliform bacteria, E. coli, and nitrates and nitrites, and every 3 to 5 years for arsenic, chloride, copper, fluoride, hardness, iron, lead, magnesium, manganese, pH, radon, sodium, and uranium. Source
- Also test if you are expecting a baby, your water changes in smell, taste, or color, your well runs dry and comes back, you buy a home, you install or change a treatment system, or any work is done on your well. Source
- Low-income households can fill out Maine CDC's form to get information about testing or a test kit. Source
State contacts
- Maine CDC Environmental and Occupational Health (toxicology): What to test for and what results mean: 866-292-3474 toll-free in Maine, or 207-287-4311, [email protected] Source
- Maine CDC Drinking Water Program: Confirm a lab's accreditation: 207-287-2070, ask for the Laboratory Accreditation Officer Source
- Maine CDC Laboratory Accreditation: (207) 287-3220 Source
Questions
How often should I test my well in Maine?
Maine CDC recommends testing every year for coliform bacteria, E. coli, and nitrates and nitrites, and every 3 to 5 years for metals and other contaminants including arsenic, uranium, lead, manganese, and radon.
Which Maine labs can test well water for PFAS?
On Maine CDC's lists, the in-state labs shown for PFAS are Bigelow Laboratory, Eurofins Auburn (A & L Laboratory), Katahdin Analytical Services, Maine Laboratories, and Nova EnviroLabs. Confirm current accreditation with the lab before you order a kit.
Can I get help paying for a well test in Maine?
Maine CDC has a form low-income households can fill out to receive information about testing or a test kit. It is linked from the Maine CDC Private Well Water page under Sources.
Sources
- Maine CDC: Maine In-State Commercial Drinking Water Labs (PDF, updated 5/16/2026)
- Maine CDC: Accredited PFAS Laboratories (PDF, current as of 12/11/2024)
- Maine CDC: Laboratory Accreditation (all accredited labs spreadsheet)
- Maine CDC: Private Well Water
Other states
Well water testing labs in Minnesota · Well water testing labs in Pennsylvania · Well water testing labs in Texas · Well water testing labs in Vermont