Certified labs near Westwood, Massachusetts

12 rows

Mansfield, Massachusetts · (508) 898-9220

14 mi away

Mansfield, Massachusetts · (508) 898-9220

14 mi away

Norwell, Massachusetts · (781) 681-5565

21 mi away

Windsor, Connecticut · (860) 817-5101

79 mi away

Carle Place, New York · (516) 997-7251

160 mi away

Union, New Jersey · (908) 688-7800

190 mi away

Cinnaminson, New Jersey · (800) 220-3675

249 mi away

Lancaster, Pennsylvania · (717) 656-2300

304 mi away

Greensburg, Pennsylvania · (724) 850-5630

451 mi away

Richmond, Virginia · (804) 353-6778

462 mi away

Pittsburgh, Pennsylvania · (412) 963-7058

463 mi away

Pittsburgh, Pennsylvania · (412) 922-4000

474 mi away

Labs on Massachusetts’s official list

8 rows

  • Whitelodge Laboratory, Westwood · ~0 miListed in MassDEP’s certified lab list. See the official list → (checked 2026-10-17)
  • Alpha Analytical, LLC, Mansfield · ~14 miListed in MassDEP’s certified lab list. See the official list → (checked 2026-10-17)
  • ProVerde Environmental, Inc., Milford · ~16 miListed in MassDEP’s certified lab list. See the official list → (checked 2026-10-17)
  • Practical Applications, Woburn · ~19 miListed in MassDEP’s certified lab list. See the official list → (checked 2026-10-17)
  • Attleboro Water Dept, Attleboro · ~20 miListed in MassDEP’s certified lab list. See the official list → (checked 2026-10-17)
  • Alpha Analytical, LLC, Westborough · ~21 miListed in MassDEP’s certified lab list. See the official list → (checked 2026-10-17)
  • New England Chromachem, Salem · ~28 miListed in MassDEP’s certified lab list. See the official list → (checked 2026-10-17)
  • Northeast Environmental Laboratory, Inc., Danvers · ~28 miListed in MassDEP’s certified lab list. See the official list → (checked 2026-10-17)

Official lab list for Massachusetts

Recommended tests

  • Every year: bacteria (total coliform and E. coli), nitrate, pH and total dissolved solids — CDC

Get a test list for your home →

Many labs accept mailed samples, so a lab a few hours away may still work for you.