ED
Eurofins Derry
22 Manchester Rd, Derry, NH
Water testing labs near Derry, NH
2 state-accredited water testing labs serving Derry, NH and the surrounding area.
2 certified labsUpdated October 2026Source: state lab accreditation records
Source: New Hampshire DES accredited laboratory search (NHELAP), drinking water, list dated Oct 29, 2026. Find a Water Test is independent and not affiliated with the New Hampshire Department of Environmental Services. Certification covers specific tests, so confirm the lab is certified for the ones you need: Verify a certification.
2 certified labs near Derry, NH
DW
Derry Wastewater Treatment Plant
50 Transfer Station Road, Derry, NH
Public water system lab. Many don't accept private well samples, so call first.
Mail-in labs that ship to Derry, NH
How mail-in testing worksNT
National Testing Laboratories (WaterCheck)
Ships nationwide
Single tests from $75; well and city packages $165 to $440
Certified in New Hampshire
TS
Tap Score by SimpleLab
Ships nationwide
About $189 to $1,125 (city and well kits, Oct 2026)
Testing service: sends your sample to a partner lab.
Bad result? Get help from water treatment pros near Derry, NH
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What happens next
- We match your ZIP to water treatment companies nearby.
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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 Derry, NH?
The state-accredited labs above serve Derry, NH. Many offer sample bottles you collect at home.
What should I test for near Derry, NH?
Start with total coliform bacteria and nitrates, then ask your county health department about local concerns.