MWRA online - home
About MWRA
Water System
Sewer System
Harbor and Bay
School Program
Doing Business with MWRA
Contact MWRA

Laboratory Services - DEP Certificates
Massachusetts Water Resources Authority

This page is an archive of DEP Laboratory Certifications. All certificates are in Adobe PDF format unless otherwise indicated.

Please visit our Department of Laboratory Services page for more information.



Laboratory Services is certified by the Massachusetts Department of Environmental Protection (DEP) for drinking water and waste water testing:


PDF files on this page require Adobe Acrobat Reader ® (free download).

Updated September 5, 2018