52 Certified Water Testing Labs in Massachusetts

52 laboratories from Massachusetts Department of Environmental Protection's certified-laboratory list, 52 of them located in Massachusetts. Compare the ones near you on phone number, certificate number and certified scope before you send a sample.

52 certified laboratories located in Massachusetts

Across 47 cities. Closest is usually cheapest: most labs need the sample within 24-30 hours of collection, and courier or overnight shipping is billed on top of the test.

AGAWAM, Massachusetts (2)

SPRINGFIELD REGIONAL WW TREATMENT FAC

190 M STREET EXT
AGAWAM, MA 01001

(413) 732-6501

Certificate M-MA151

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

VALLID LABS INC

295 SILVER ST
AGAWAM, MA 01001

(413) 789-2206

Certificate M-MA1112

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

AMESBURY, Massachusetts (1)

AMESBURY WTP LAB

RINGS CORNER-NEWTON RD
AMESBURY, MA 01913

(978) 388-0853

Certificate M-00751

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

ANDOVER, Massachusetts (1)

ANDOVER WATER TREATMENT PLANT LAB

397 LOWELL ST
ANDOVER, MA 01810

(978) 623-8873

Certificate M-MA005

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

AQUINNAH, Massachusetts (1)

WAMPANOAG ENVIRONMENTAL LABORATORY

HERRING CREEK RD
AQUINNAH, MA 02535

(508) 645-2903

Certificate M-MA1084

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

AYER, Massachusetts (1)

EUROFINS AYER

31A WILLOW RD
AYER, MA 01432

(978) 391-4428

Certificate M-MA1118

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

BARNSTABLE, Massachusetts (1)

BARNSTABLE COUNTY HEALTH & ENV DEPT

3195 MAIN ST
BARNSTABLE, MA 02630

(508) 375-6605

Certificate M-MA009

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

BELCHERTOWN, Massachusetts (2)

MWRA QUABBIN LABORATORY

485 WARE RD
BELCHERTOWN, MA 01007

(617) 660-7803

Certificate M-02452

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

QUABBIN ANALYTICAL LABORATORY

9 STADLER ST
BELCHERTOWN, MA 01007

(413) 323-7134

Certificate M-02454

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

BEVERLY, Massachusetts (1)

SALEM-BEVERLY WATER SUPPLY BOARD

50 ARLINGTON AVE
BEVERLY, MA 01915

(978) 922-2600

Certificate M-MA002

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

CAMBRIDGE, Massachusetts (1)

CAMBRIDGE WATER DEPARTMENT LABORATORY

250 FRESH POND PKWY
CAMBRIDGE, MA 02138

(617) 349-4780

Certificate M-MA149

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

CANTON, Massachusetts (1)

MATRIX SCIENCES INTERNATIONAL INC.

70 SHAWMUT PARK
CANTON, MA 02021

(781) 401-9999

Certificate M-MA061

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

CHELSEA, Massachusetts (1)

MWRA CHELSEA LABORATORY

2 GRIFFIN WAY
CHELSEA, MA 02150

(617) 660-7803

Certificate M-27451

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

CHICOPEE, Massachusetts (1)

CHICOPEE WATER DEPARTMENT LABORATORY

1334 BURNETT RD
CHICOPEE, MA 01020

(413) 594-1870

Certificate M-06152

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

CLINTON, Massachusetts (1)

MWRA CLINTON WASTEWATER TREATMENT PLANT

677 HIGH ST
CLINTON, MA 01510

(617) 660-7803

Certificate M-MA914

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

DANVERS, Massachusetts (1)

EUROFINS DANVERS

41 DAYTON ST
DANVERS, MA 01923

(978) 777-4442

Certificate M-MA123

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

EAST LONGMEADOW, Massachusetts (1)

PACE ANALYTICAL LLC-EAST LONGMEADOW

39 SPRUCE ST
EAST LONGMEADOW, MA 01028

(413) 525-2332

Certificate M-MA100

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

FREETOWN, Massachusetts (1)

QUITTACAS WTP LAB

1 NEGUS WAY
FREETOWN, MA 02717

(508) 763-2231

Certificate M-MA011

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

GLOUCESTER, Massachusetts (1)

BIOMARINE INC

16 EAST MAIN ST
GLOUCESTER, MA 01930

(978) 281-0222

Certificate M-MA026

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

GREENFIELD, Massachusetts (1)

GREENFIELD WATER POLLUTION CONTROL

384 DEERFIELD ST.
GREENFIELD, MA 01301

(413) 772-1539

Certificate M-MA013

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

HAVERHILL, Massachusetts (1)

HAVERHILL WATER DEPT LAB

131 AMESBURY RD
HAVERHILL, MA 01830

(978) 374-2385

Certificate M-MA067

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

HOLDEN, Massachusetts (1)

WORCESTER WATER FILTRATION PLANT LAB

71 STONE HOUSE HILL RD
HOLDEN, MA 01520

(508) 799-1516

Certificate M-MA1059

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

HOLYOKE, Massachusetts (1)

HOLYOKE WATER WORKS LABORATORY

600 WESTFIELD RD
HOLYOKE, MA 01040

(413) 532-6778

Certificate M-13753

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

JAMAICA PLAIN, Massachusetts (1)

MASS DPH ENVIRONMENTAL CHEMISTRY LAB

305 SOUTH ST
JAMAICA PLAIN, MA 02130

(617) 983-6654

Certificate M-MA116

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

LEE, Massachusetts (1)

MICROBAC LABORATORIES INC

80 RUN WAY
LEE, MA 01238

(413) 776-5025

Certificate M-MA1146

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

LYNN, Massachusetts (2)

LYNN REGIONAL WPCF

2 CIRCLE AVE
LYNN, MA 01905

(781) 244-7921

Certificate M-MA961

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

LYNN WATER TREATMENT PLANT LABORATORY

390 PARKLAND AVE
LYNN, MA 01905

(781) 595-5200

Certificate M-MA120

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

MANSFIELD, Massachusetts (1)

PACE ANALYTICAL LLC-MANSFIELD-320 FORBES

320 FORBES BLVD
MANSFIELD, MA 02048

(508) 822-9300

Certificate M-MA030

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

METHUEN, Massachusetts (1)

METHUEN WATER TREATMENT PLANT

25 BURNHAM RD
METHUEN, MA 01844

(978) 983-8845

Certificate M-MA099

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

MIDDLEBOROUGH, Massachusetts (1)

EUROFINS PROVIDENCE (AB)

422 WEST GROVE ST
MIDDLEBOROUGH, MA 02346

(508) 946-2225

Certificate M-MA022

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

MIDDLETON, Massachusetts (1)

DANVERS WATER DIVISION LABORATORY

30 LAKE ST
MIDDLETON, MA 01949

(978) 774-5054

Certificate M-MA018

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

MILFORD, Massachusetts (1)

PROVERDE ENVIRONMENTAL, INC

420 FORTUNE BLVD
MILFORD, MA 01757

(617) 221-3356

Certificate M-MA1155

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

NEW BEDFORD, Massachusetts (1)

NEW BEDFORD HEALTH DEPARTMENT LAB

1000 SOUTH RODNEY FRENCH BLVD
NEW BEDFORD, MA 02744

(508) 991-6199

Certificate M-MA031

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

NEWBURYPORT, Massachusetts (1)

NEWBURYPORT WTP LAB

7 SPRING LN
NEWBURYPORT, MA 01950

(978) 465-4466

Certificate M-20651

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

NORTH ANDOVER, Massachusetts (2)

GREATER LAWRENCE SANITARY DISTRICT

240 CHARLES ST
NORTH ANDOVER, MA 01845

(978) 685-1612

Certificate M-MA066

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

NORTH ANDOVER WTP LAB

420 GREAT POND RD
NORTH ANDOVER, MA 01845

(978) 688-9574

Certificate M-21054

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

NORWELL, Massachusetts (1)

BATTELLE MEMORIAL INSTITUTE

141 LONGWATER DR
NORWELL, MA 02061

(781) 681-6635

Certificate M-MA056

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

QUINCY, Massachusetts (1)

G AND L LABS INC

246 ARLINGTON ST
QUINCY, MA 02170

(617) 328-3663

Certificate M-MA1100

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

READING, Massachusetts (1)

MARTINAGE ENGINEERING ASSOC INC

131 MAIN ST
READING, MA 01867

(781) 944-4808

Certificate M-MA129

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

SALEM, Massachusetts (2)

NEW ENGLAND CHROMACHEM INC

6 NICHOLS ST
SALEM, MA 01970

(978) 744-6600

Certificate M-MA072

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

SOUTH ESSEX SEWERAGE DISTRICT

50 FORT AVE
SALEM, MA 01970

(978) 744-4550

Certificate M-MA154

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

SANDWICH, Massachusetts (1)

ENVIROTECH LABORATORIES INC

8 JAN SEBASTIAN DR
SANDWICH, MA 02563

(508) 888-6460

Certificate M-MA063

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

SOUTH DEERFIELD, Massachusetts (1)

HOWARD LABORATORIES LLC

110 N HILLSIDE RD.
SOUTH DEERFIELD, MA 01373

(413) 247-5533

Certificate M-00851

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

SOUTHBOROUGH, Massachusetts (1)

MWRA SOUTHBORO LABORATORY

268 BOSTON RD
SOUTHBOROUGH, MA 01772

(617) 660-7803

Certificate M-MA108

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

TEWKSBURY, Massachusetts (1)

TEWKSBURY WATER TREATMENT PLANT

71 MERRIMACK DR
TEWKSBURY, MA 01876

(978) 858-0345

Certificate M-MA126

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

WESTBOROUGH, Massachusetts (1)

PACE ANALYTICAL LLC-WESTBOROUGH

8 WALKUP DR
WESTBOROUGH, MA 01581

(508) 898-9220

Certificate M-MA086

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

WESTFIELD, Massachusetts (1)

SPRINGFIELD WATER AND SEWER COMMISSION

1515 GRANVILLE RD
WESTFIELD, MA 01085

(413) 310-3515

Certificate M-32951

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

WESTFORD, Massachusetts (1)

WASTE WATER ENVIRONMENTAL MANAGEMENT INC

439 LITTLETON RD
WESTFORD, MA 01886

(603) 244-9461

Certificate M-MA077

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

WESTWOOD, Massachusetts (1)

WHITE LODGE LABORATORY

154 UNIVERSITY AVE
WESTWOOD, MA 02090

(781) 710-6498

Certificate M-33551

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

WINTHROP, Massachusetts (1)

MWRA CENTRAL LABORATORY

DEER IS TREATMENT PLANT
WINTHROP, MA 02152

(617) 660-7803

Certificate M-MA153

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

WOBURN, Massachusetts (1)

PRACTICAL APPLICATIONS, INC

8 ADELE RD
WOBURN, MA 01801

(617) 423-5639

Certificate M-MA1080

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

WORCESTER, Massachusetts (1)

EUROFINS-WORCESTER

259 BROOKS ST.
WORCESTER, MA 01606

(401) 461-7181

Certificate M-MA1157

Certified scope not published in this list — the lab is certified, but the source does not say for which analytes. Ask before you book.

Listed in eeaonline.eea.state.ma.us, read 2026-09-20

Where this list comes from

Read on 2026-09-20 from 1 document published by Massachusetts Department of Environmental Protection. This page lists what those documents list — not necessarily every laboratory Massachusetts certifies — so check the official directory below before you rely on it.

Labcert.aspx (52 laboratories)

How Massachusetts publishes it: Searchable online database—filter by "Drinking Water" program

Access Massachusetts Lab Directory

State Certification Program

Massachusetts Department of Environmental Protection

Visit Certification Program Website

💡 Local Resources & Tips

Massachusetts has robust laboratory certification; search by town or laboratory name for convenient options

How to choose one of these labs

1.Shortlist two or three: start with the labs in your own city above, because most drinking-water samples must reach the lab within 24-30 hours of collection
2.Verify certifications: confirm the lab holds current state certification for the specific contaminants you want to test (bacteria, nitrate, metals, VOCs, PFAS). Certification is per-analyte, and a certificate number on this page is a starting point, not a guarantee it is still current
3.Request pricing: call multiple labs to compare prices and turnaround times—costs vary significantly even within the same state
4.Schedule testing: follow lab instructions for sample collection, storage, and delivery
5.Review results: compare detected concentrations against EPA standards and take appropriate action

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