EPA TRI Facility · Nonmetallic Mineral Product

Granite Rock Co Redwood City

Redwood City, CA

Total releases
15 lbs
Chemicals reported
3
Carcinogens
1
Primary pathway
Land Disposal

LAND Form-R mix

Granite Rock Co Redwood City: how the 15 lbs splits

15 lbs across all reported pathways

  • Land Disposal 15 lbs 98.4%
  • Air Releases 0 lbs 0.8%
  • Water Discharges 0 lbs 0.8%

Granite Rock Co Redwood City's 15 lbs Form-R total is LAND - land disposal is 98.4% of the bar. Next segment: air releases at 0.8%. Leading chemical by pounds: Barium.

TRACE volume LAND pathway CARC-LEAN

Granite Rock Co Redwood City is an EPA Toxics Release Inventory reporter in Redwood City, CA, in the nonmetallic mineral product sector. It reported 7 lbs of releases across 3 chemicals in 2023, and 15 lbs in total across its 2019-2023 reporting years. That ranks 18,240 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In California's 1,149 reporting TRI sites, pounds #1 is not chemical-count #1. Granite Rock Co Redwood City is pounds #957 and chemical-count #498 at 15 lbs. Clean Harbors Buttonwillow LLC leads reported pounds (50.4M lbs) at 45 chemicals (chemical-count #2). Chevron Products Co Richmond Refinery leads chemical count at 46 chemicals (3.0M lbs, pounds #13). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Harbor Ready Mix - Redwood City; Chemelex LLC; Univar Solutions USA; Central Concrete Supply Co Inc - Redwood City. Similar-scale Nonmetallic Mineral Product peers outside California: Allied Plant 11 - East Katy; North Bergen; Redi-Mix - Midlothian; Custom Building Products Inc. Largest disclosed chemicals by pounds: Barium; Zinc (fume or dust); Lead.

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Granite Rock Co Redwood City stamps TRACE volume with a dominant LAND pathway (98.4% land disposal) across 3 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 15 lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Allied Plant 11 - East Katy and North Bergen.

#18,240 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

Granite Rock Co Redwood City vs. every reporting TRI facility

Cumulative reported release pounds, with this facility marked in the national distribution

15 lbs 30th percentile higher than 30% of 25,986 reporting TRI facilities

This facility 0 lbs 20M+ lbs every reporting TRI facility, bucketed by value

Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.

Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year

Granite Rock Co Redwood City in the Nonmetallic Mineral Product sector extract

Among the 3,265 Nonmetallic Mineral Product facilities in this database, Granite Rock Co Redwood City reports the 1,105th-largest volume (15 lbs). Scale peers outside California include Allied Plant 11 - East Katy and North Bergen.

Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.

Granite Rock Co Redwood City Form-R facts

Sector
Nonmetallic Mineral Product
TRACE volume
15 lbs
LAND pathway
Land Disposal
CARC-LEAN chem count
3 · 1 carc.
Lead chemical
Barium

Compare this facility

See how Granite Rock Co Redwood City stacks up against nearby facilities and the typical reporter.

Total reported releases
Granite Rock Co Redwood City
15 lbs
Harbor Ready Mix - Redwood City
1 lbs

12.4× more than the comparison

Chemicals reported
Granite Rock Co Redwood City
3
Harbor Ready Mix - Redwood City
1

3.0× more than the comparison

Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.

How does this facility release toxic chemicals?

How Granite Rock Co Redwood City releases toxic chemicals into the environment. Total: 15 lbs.

Land Disposal 15 lbs (98.4%)
Air Releases 0 lbs (0.8%)
Water Discharges 0 lbs (0.8%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases increased by 7245% (0 lbs to 7 lbs).

Granite Rock Co Redwood City: annual Form-R pounds

TRACE site · LAND pathway · TRI years 2019–2023

million lbs

What this shows Granite Rock Co Redwood City year-over-year reported totals (increased by 7245% from 2019 to 2023). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Barium.

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 0 lbs 1
2020 0 lbs 1
2021 0 lbs 1
2022 7 lbs 3
2023 7 lbs 3

Chemical Releases

Aggregated across all reporting years (2019–2023). 1 of 3 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Barium 13 lbs -
Zinc (fume or dust) 2 lbs -
Lead 0 lbs Carcinogen

Granite Rock Co Redwood City · LAND-pathway site

Redwood City, CA
37.4930, -122.2161
County TRI context
San Mateo · 0.0% of county pounds
EPA Facility ID
9406WGRNTR355BL

About TRI Data

Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.

On this page the largest disclosed chemicals include Barium, Zinc (fume or dust), Lead; nearby reporters include Harbor Ready Mix - Redwood City. Granite Rock Co Redwood City stamps TRACE volume · LAND pathway · CARC-LEAN carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.

Use and verify this record

This Granite Rock Co Redwood City TRI extract (TRACE · LAND · CARC-LEAN · lead Barium) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Granite Rock Co Redwood City totals are self-reported EPCRA §313 estimates for Redwood City, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 327320 · Nonmetallic Mineral Product. 0.0% of San Mateo TRI pounds in this extract. Nearest ABS peer: Wilderness Nc Inc (Δ 0 lbs). Pounds ≠ exposure.

Granite Rock Co Redwood City stamps TRACE volume · LAND pathway · CARC-LEAN · lead Barium. PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.

All federal data sources used on this page
  • EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
  • EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
  • EPA Facility Registry Service - facility location and identity. epa.gov
  • EPA ECHO - regulatory and compliance context. epa.gov
  • EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov