EPA TRI Facility · Nonmetallic Mineral Product

Calportland Co Mojave Plant

Mojave, CA · Parent: Taiheiyo Cement USA Inc

Total releases
31.5K lbs
Chemicals reported
7
Carcinogens
1
Primary pathway
Air Releases

AIR Form-R mix

Calportland Co Mojave Plant: how the 31.5K lbs splits

31.5K lbs across all reported pathways

  • Air Releases 31.5K lbs 100.0%

Calportland Co Mojave Plant's 31.5K lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Ammonia.

LIGHT volume AIR pathway TRACE-CARC

Calportland Co Mojave Plant is an EPA Toxics Release Inventory reporter in Mojave, CA, in the nonmetallic mineral product sector. It reported 7.4K lbs of releases across 5 chemicals in 2023, and 31.5K lbs in total across its 2019-2023 reporting years. That ranks 7,202 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. Calportland Co Mojave Plant is pounds #258 and chemical-count #137 at 31.5K 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). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Tehachapi Cement LLC; Golden Queen Mining Co LLC; Asphalt Terminals LLC - Mojave; Trical Inc.. Similar-scale Nonmetallic Mineral Product peers outside California: 3M (minnesota Mining & Mfg Co) - Ames; Pro-Tops Inc.; Owens-Brockway Glass Container Inc Plant 15; Acme Brick Co-Denton Plant. Other Taiheiyo Cement USA Inc sites in this extract: Glacier Northwest Inc Hillsboro Ready-Mix Plant; Calportland Redding Cement Plant; Glacier Northwest Inc East Marginal Way Plant; Calportland Co Rillito Plant. Largest disclosed chemicals by pounds: Ammonia; Lead compounds; Lead And Lead Compounds; Mercury compounds.

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Calportland Co Mojave Plant stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 7 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 31.5K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include 3M (minnesota Mining & Mfg Co) - Ames and Pro-Tops Inc..

#7,202 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

Calportland Co Mojave Plant vs. every reporting TRI facility

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

31K lbs Top 28% higher than 72% 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

Calportland Co Mojave Plant: Ammonia-led volume

Among the 3,265 Nonmetallic Mineral Product facilities in this database, Calportland Co Mojave Plant reports the 268th-largest volume, placing it in the top 8.2% of its sector. Its reported volume is concentrated rather than spread: Ammonia alone is 93.2% of the total. Scale peers outside California include 3M (minnesota Mining & Mfg Co) - Ames and Pro-Tops Inc..

Concentrated means ≥60% of Calportland Co Mojave Plant's pounds in one chemical - here Ammonia at 93.2%. Not a toxicity score.

Annual disclosure change

What changed: EPA TRI 2023 reporting year

2022 → 2023
  • Calportland Co Mojave Plant's total reported releases rose from 6.5 thousand lb in 2022 to 7.4 thousand lb in 2023, based on EPA TRI filings.
  • Calportland Co Mojave Plant's air releases rose from 6.5 thousand lb in 2022 to 7.4 thousand lb in 2023, based on EPA TRI filings.

Calportland Co Mojave Plant Form-R facts

Sector
Nonmetallic Mineral Product
LIGHT volume
31.5K lbs
AIR pathway
Air Releases
TRACE-CARC chem count
7 · 1 carc.
Lead chemical
Ammonia

Compare this facility

See how Calportland Co Mojave Plant stacks up against nearby facilities and the typical reporter.

Total reported releases
Calportland Co Mojave Plant
31.5K lbs
Tehachapi Cement LLC
35.0K lbs

About the same as the comparison

Chemicals reported
Calportland Co Mojave Plant
7
Tehachapi Cement LLC
9

22% less 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 Calportland Co Mojave Plant releases toxic chemicals into the environment. Total: 31.5K lbs.

Air Releases 31.5K lbs (100.0%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases increased by 29% (5.8K lbs to 7.4K lbs).

Calportland Co Mojave Plant: annual Form-R pounds

LIGHT site · AIR pathway · TRI years 2019–2023

million lbs

What this shows Calportland Co Mojave Plant year-over-year reported totals (increased by 29% 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: Ammonia.

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 5.8K lbs 5
2020 4.6K lbs 5
2021 7.1K lbs 4
2022 6.5K lbs 5
2023 7.4K lbs 5

Chemical Releases

Aggregated across all reporting years (2019–2023). 1 of 7 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Ammonia 29.3K lbs -
Lead compounds 1.5K lbs -
Lead And Lead Compounds 383 lbs -
Mercury compounds 181 lbs -
Mercury And Mercury Compounds 64 lbs -
Chromium compounds (except for chromite ore mined in the Transvaal Region) 33 lbs -
Dioxin and dioxin-like compounds 0 lbs Carcinogen

Calportland Co Mojave Plant · AIR-pathway site

Mojave, CA
35.0430, -118.3099
County TRI context
Kern · 0.1% of county pounds
Parent company
Taiheiyo Cement USA Inc

Compare beyond California

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Calportland Co Mojave Plant on cumulative reported pounds (31.5K lbs) and distinct chemical count (7). Release-pound peers include Midwest Manufacturing Treating Plant, Qc Corp, Plating International Inc. Chemical-count peers include Hubbell Caribe Ltd, Celanese Microcircuits Industries Ltd., Virgin Islands Water & Power Authority. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.

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 Ammonia, Lead compounds, Lead And Lead Compounds, Mercury compounds; nearby reporters include Tehachapi Cement LLC. Calportland Co Mojave Plant stamps LIGHT volume · AIR pathway · TRACE-CARC 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 Calportland Co Mojave Plant TRI extract (LIGHT · AIR · TRACE-CARC · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Calportland Co Mojave Plant totals are self-reported EPCRA §313 estimates for Mojave, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 327310 · Nonmetallic Mineral Product. 0.1% of Kern TRI pounds in this extract. Nearest ABS peer: Midwest Manufacturing Treating Plant (Δ 1 lbs). Pounds ≠ exposure.

Calportland Co Mojave Plant stamps LIGHT volume · AIR pathway · TRACE-CARC · lead Ammonia. 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