Massachusetts
Division of Professional Licensure
JOHN G. CORWIN
Drinking Water Supply Facility Operator
License number
23896
Date granted
02/03/2012
Date expires
12/31/2013
Class
Drinking Water Supply Facility Operator
Status
Licensed
licensingma.org
ID 3156326
LAST UPDATED 2026-06-02 17:24:33 UTC
LAST UPDATED 2026-06-02 17:24:33 UTC
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