Massachusetts
Division of Professional Licensure
JOHN L. ROBERTSON
Drinking Water Supply Facility Operator
License number
2596
Date granted
04/28/1990
Date expires
12/31/2013
Class
Drinking Water Supply Facility Operator
Status
Licensed
licensingma.org
ID 3163229
LAST UPDATED 2026-06-03 13:05:34 UTC
LAST UPDATED 2026-06-03 13:05:34 UTC
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