Massachusetts
Division of Professional Licensure
JOHN A. MAYER
Drinking Water Supply Facility Operator
License number
12292
Date granted
05/07/2010
Date expires
12/31/2013
Class
Drinking Water Supply Facility Operator
Status
Licensed
licensingma.org
ID 3146452
LAST UPDATED 2026-05-17 08:07:28 UTC
LAST UPDATED 2026-05-17 08:07:28 UTC
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