BI
Biomarine Inc
16 East Main St, Gloucester, MA
Water testing labs in Essex County, MA
3 state-accredited water testing labs in Essex County, MA.
3 certified labsUpdated October 2026Source: state lab accreditation records
Source: MassDEP list of certified drinking water labs that accept home owner samples, list dated Oct 28, 2026. Find a Water Test is independent and not affiliated with the Massachusetts Department of Environmental Protection. Certification covers specific tests, so confirm the lab is certified for the ones you need: Verify a certification or call MassDEP lab certification at (978) 682-5237.
3 certified labs near Essex County, MA
ED
Eurofins Danvers
41 Dayton St, Danvers, MA
NE
New England Chromachem Inc
6 Nichols St, Salem, MA
Mail-in labs that ship to Essex County, MA
How mail-in testing worksNT
National Testing Laboratories (WaterCheck)
Ships nationwide
Single tests from $75; well and city packages $165 to $440
Certified in Massachusetts
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.
Bad result? Get help from water treatment pros near Essex County, MA
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Just need a lab? Every certified lab is listed above with directions.
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Well water guides
Common questions
Where can I test well water near Essex County, MA?
The state-accredited labs above serve Essex County, MA. Many offer sample bottles you collect at home.
What should I test for near Essex County, MA?
Start with total coliform bacteria and nitrates, then ask your county health department about local concerns.