KEMWATER NORTH AMERICA ANTIOCH PLANT

2151 WILBUR AVE, ANTIOCH, CA, 94509

No open violations Compliance record — not a listed vendor

Facility identity · canonical

EPA Registry ID: 110000482754
RCRA Handler ID(s): CAD041316043
Generator status: Small Quantity Generator (SQG)
County: CONTRA COSTA
EPA Region: 09
Active: Yes
NAICS: 325188
325998
Coordinates: 38.01234, -121.77851

Compliance summary · canonical · as of Aug 11, 2026

3-year compliance history Not in the compliance universe for any of the last 12 quarters

Not in universe In violation Significant non-compliance

Significant non-complier: No
Last inspection: Nov 2, 1994
Inspections (5 yr): —
Informal actions (5 yr): —
Formal actions (5 yr): —
Total penalties: —

Permits & authorizations · canonical

Program	Type	Status	Effective
RCRA	SQG	Not reported	Not reported

Type is EPA's RCRA handler classification. Permit status and effective date are not published in the RCRAInfo handler dataset.

Violations · canonical · 10 total, 0 open

5 distinct violation categories on record:

Count	Code	Category	EPA description
5	262.A	Generator standards	Standards Applicable to Generators of HW: General
2	264.G	TSDF standards (permitted)	Standards for Owners and Operators of HW TSDs: Closure and Post-Closure
1	264.A	TSDF standards (permitted)	Standards for Owners and Operators of HW TSDs: General
1	264.H	TSDF standards (permitted)	Standards for Owners and Operators of HW TSDs: Financial Requirements
1	265.Q	TSDF standards (interim status)	Interim Status Standards for Owners and Operators of HW TSDs: Chemical, Physical and Biological Treatment

Most recent 8 of 10:

Determined	Category	Status	Agency
Apr 5, 1993	Generator standards 262.A · Standards Applicable to Generators of HW: General	Resolved Nov 2, 1994	S
Sep 12, 1991	Generator standards 262.A · Standards Applicable to Generators of HW: General	Resolved Feb 18, 1994	S
Sep 12, 1991	TSDF standards (permitted) 264.G · Standards for Owners and Operators of HW TSDs: Closure and Post-Closure	Resolved Feb 18, 1994	S
May 30, 1991	Generator standards 262.A · Standards Applicable to Generators of HW: General	Resolved Apr 5, 1993	S
Mar 25, 1991	Generator standards 262.A · Standards Applicable to Generators of HW: General	Resolved Feb 18, 1994	S
Mar 25, 1991	TSDF standards (permitted) 264.A · Standards for Owners and Operators of HW TSDs: General	Resolved Feb 18, 1994	S
Mar 25, 1991	TSDF standards (permitted) 264.G · Standards for Owners and Operators of HW TSDs: Closure and Post-Closure	Resolved Feb 18, 1994	S
Mar 25, 1991	TSDF standards (permitted) 264.H · Standards for Owners and Operators of HW TSDs: Financial Requirements	Resolved Feb 18, 1994	S

Inspection history · canonical · 7 total

Date	Type	Agency	Outcome
Nov 2, 1994	COMPLIANCE EVALUATION INSPECTION (CEI)	B	In compliance
Oct 25, 1994	FOCUSED COMPLIANCE INSPECTION (FCI)	S	In compliance
Apr 5, 1993	COMPLIANCE EVALUATION INSPECTION (CEI)	B	Violation found
May 30, 1991	COMPLIANCE EVALUATION INSPECTION (CEI)	B	Violation found
Jan 9, 1991	COMPLIANCE EVALUATION INSPECTION (CEI)	S	Violation found
Jan 29, 1985	FINANCIAL RECORD REVIEW (FRR)	E	Violation found
Jan 24, 1985	COMPLIANCE EVALUATION INSPECTION (CEI)	E	In compliance

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Data sources

EPA ECHO — this facility's detailed report — facility, compliance summary, permits, evaluations & violations

RCRAInfo evaluation and violation records for this facility are integrated into the ECHO report linked above — RCRAInfo's own public search doesn't offer a stable per-facility link. General source: EPA ECHO, EPA RCRAInfo.

Compliance, permit, and location data come straight from EPA and can't be edited. Contact info and description come from the business's claimed listing, if any. This profile is not an official regulatory determination.