Massachusetts
Division of Professional Licensure
WILLIAM J. DEMKO
Drinking Water Supply Facility Operator
License number
12532
Date granted
09/06/2013
Date expires
12/31/2013
Class
Drinking Water Supply Facility Operator
Status
Licensed
licensingma.org
ID 3166118
LAST UPDATED 2026-05-30 21:05:01 UTC
LAST UPDATED 2026-05-30 21:05:01 UTC
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