Violations

WDID 8 30I012045Ceradyne, Inc. a 3M Company Terminated Facility profile

Records as the State Water Board publishes them in SMARTS, with the source's own types, statuses and identifiers. A listed inspection, violation or enforcement action is not, on its own, a finding about the facility's current compliance, and the absence of records does not establish compliance.

Showing 1–13 of 13 records, newest first. Retrieved from SMARTS Oct 21, 2026.

Violations for WDID 8 30I012045, grouped by year of the occurrence date
Occurred (event date)	Violation ID	Type	Status as published	Source	Discovered	Serious (source flag)	Enforcement actions
2015
Aug 15, 2015	857834	Late Report	Violation	Report	Aug 15, 2015	Y	420059, 420428, 422373
Aug 15, 2015	858322	Failure to Obtain Permit	Violation	Report	—	Y	420562, 420634
2011
Sep 08, 2011	845500	Deficient BMP Implementation	Violation	Inspection · inspection 2012613	Sep 08, 2011	N	none listed
2007
Jul 02, 2007	639082	Late Report	Violation	Report	Jul 02, 2007	N	331829
2006
Aug 01, 2006	433683	Late Report	Violation	Report	Jul 01, 2006	N	311746
2005
Oct 27, 2005	857094	Deficient Report	Violation	Report	—	N	297803, 419120, 419280
Jul 01, 2005	435434	Late Report	Violation	Report	Jul 01, 2005	N	418787, 419025
2003
Jul 01, 2003	235092	Deficient Report	Violation	Report	Jul 01, 2003	N	241811
2002
Jul 01, 2002	213722	Deficient Report	Violation	Report	Jul 01, 2002	N	247117
Mar 19, 2002	214480	Deficient Report	Violation	Inspection	Mar 19, 2002	N	247929
2000
Jul 27, 2000	211064	Deficient BMP Implementation	Violation	Inspection	Jul 27, 2000	N	234606
Jul 27, 2000	213299	Deficient BMP Implementation	Violation	Inspection	Jul 27, 2000	N	233272
1999
Jul 02, 1999	174377	Deficient Report	Violation	Inspection	Jul 02, 1999	N	233566, 233915

Records as published in the SMARTS compliance exports, retrieved Oct 21, 2026. Records are grouped by year of the occurrence date. Descriptions, notes and personal details are not published by this site. Nothing here is a compliance determination.