FV
Fountain Valley Analytical Laboratory, Inc
1413 Old Taneytown Road, Westminster, MD
Water testing labs in Carroll County, MD
2 state-accredited water testing labs in Carroll County, MD.
2 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.
2 certified labs near Carroll County, MD
AE
Advanced Environmental Concepts, Inc
5201 Holniker Drive, Sykesville, MD
Mail-in labs that ship to Carroll County, 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 Carroll County, MD?
The state-accredited labs above serve Carroll County, MD. Many offer sample bottles you collect at home.
What should I test for near Carroll County, MD?
Start with total coliform bacteria and nitrates, then ask your county health department about local concerns.