County page

San Mateo County

San Mateo County currently shows 0 Superfund sites, 157 imported facility profiles, and 14 lbs in loaded TRI releases.

California East Palo Alto 0 cleanup pages 157 facilities

Overview

What this county page is saying

This live county page is generated from the ingested EPA datasets. It merges ECHO facility compliance rows, TRI release totals, and any Superfund sites attached to San Mateo County.

The latest loaded TRI year is 2024, with 14 lbs in county-level on-site releases tied to the imported facility set.

Focus points

Design and product notes

County pages combine facility compliance history with chemical release totals.
TRI chemistry shows what is being reported, while ECHO shows who keeps drawing enforcement attention.
Superfund records add legacy cleanup context even when live contaminant detail is still sparse.

Superfund layer

Cleanup sites in this county

Facilities

Worst polluters and compliance pressure

Significant Violation Clean Air Act + Clean Water Act + RCRA EPA-regulated facility

Browning-ferris Industries of Ca Inc

Significant Violation across 12 of the last 12 quarters, with $70,000 in recorded penalties.

0 lbs $70,000 penalties

Significant Violation Clean Air Act + Clean Water Act + RCRA EPA-regulated facility

San Francisco International Airport

Significant Violation across 12 of the last 12 quarters, with $1,750 in recorded penalties.

0 lbs $1,750 penalties

Significant Violation Clean Air Act + RCRA EPA-regulated facility

United Airlines, Sf Maintenance Center

Significant Violation across 9 of the last 12 quarters, with $35,000 in recorded penalties.

0 lbs $35,000 penalties

Violation Identified Clean Water Act EPA-regulated facility

Sewer Authority Mid-coastside

Violation Identified across 7 of the last 12 quarters, with $78,000 in recorded penalties.

0 lbs $78,000 penalties

Significant Violation Clean Air Act + Clean Water Act + RCRA EPA-regulated facility

Sims Metal America/redwood City Division

Significant Violation across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties

Violation Clean Water Act + RCRA EPA-regulated facility

Carbon Inc

Violation across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties

Violation Identified Clean Water Act + RCRA EPA-regulated facility

Christy Vault Company Inc

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties

Violation Identified Clean Water Act + RCRA EPA-regulated facility

Eureka Chemical Company

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties

Violation RCRA EPA-regulated facility

Ahmc Seton Medical Center Llc Dba Ahmc Seton Medical Center

Violation across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties

Violation Identified Clean Water Act EPA-regulated facility

Chemelex Llc

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties

Violation Identified Clean Water Act EPA-regulated facility

City of South San Francisco

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties

Significant Violation Clean Air Act EPA-regulated facility

Cypress Amloc Land Co , Inc

Significant Violation across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties

Violation RCRA EPA-regulated facility

Genentech Inc Founders Research Center (mid Campus)

Violation across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties

Violation Identified Clean Water Act EPA-regulated facility

Harbor Ready Mix

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties

Violation Identified Clean Water Act EPA-regulated facility

Resonetics Llc

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties

Violation Identified Clean Water Act EPA-regulated facility

San Mateo Transit Dist North Base

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties

Violation Identified Clean Water Act EPA-regulated facility

San Mateo Transit Dist So Base

Violation Identified across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties

Violation RCRA EPA-regulated facility

Stanford Medicine Outpatient Center

Violation across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties

Violation RCRA EPA-regulated facility

The Home Depot (store #0628)

Violation across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties

Significant Violation Clean Air Act EPA-regulated facility

Towne Ford

Significant Violation across 12 of the last 12 quarters in the imported ECHO record.

0 lbs $0 penalties

Chemical	Group	Facilities	Total pounds
Barium	TRI-listed chemical	1	5 lbs
Lead	Metals and metal compounds	2	3 lbs
Nitric acid	TRI-listed chemical	1	2 lbs
Antimony compounds	TRI-listed chemical	2	1 lbs
Decabromodiphenyl oxide	TRI-listed chemical	1	1 lbs
Zinc compounds	TRI-listed chemical	1	1 lbs
Acetonitrile	TRI-listed chemical	1	1 lbs
Lead compounds	Metals and metal compounds	1	0 lbs
N, N-Dimethylformamide	TRI-listed chemical	1	0 lbs

Violation pages

State-level violation context tied to this county

Clean Air Act violations in California

California facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
Clean Water Act violations in California

California facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
RCRA violations in California

California facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.