ML
Microbac Laboratories, Inc - Baltimore
2101 Van Deman Street, Baltimore, MD
Water testing labs in Baltimore city, MD
3 state-accredited water testing labs in Baltimore city, MD.
3 certified labsUpdated October 2026Source: state lab accreditation records
Source: MDE list of certified drinking water laboratories, list dated Oct 1, 2026. Find a Water Test is independent and not affiliated with the Maryland Department of the Environment. Certification covers specific tests, so confirm the lab is certified for the ones you need: Verify a certification.
3 certified labs near Baltimore city, MD
AW
Ashburton Water Quality Laboratory
3001 Druid Park Drive, Baltimore, MD
Public water system lab. Many don't accept private well samples, so call first.
MW
Montebello Water Quality Laboratory
3901 Hillen Road, Baltimore, MD
Public water system lab. Many don't accept private well samples, so call first.
Mail-in labs that ship to Baltimore city, MD
How mail-in testing worksNT
National Testing Laboratories (WaterCheck)
Ships nationwide
Single tests from $75; well and city packages $165 to $440
Certified in Maryland
TS
Tap Score by SimpleLab
Ships nationwide
Single-contaminant kits from about $145; full well and city panels about $300 to $870
Testing service: sends your sample to a partner lab.
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Well water guides
Common questions
Where can I test well water near Baltimore city, MD?
The state-accredited labs above serve Baltimore city, MD. Many offer sample bottles you collect at home.
What should I test for near Baltimore city, MD?
Start with total coliform bacteria and nitrates, then ask your county health department about local concerns.