Toyota Motor Manufacturing Texas – Emissions Trend

San Antonio, TX · 2019–2023 · Parent: Toyota Motor N.a. Inc

This page assembles 5 consecutive years of EPA Toxics Release Inventory Form R filings for Toyota Motor Manufacturing Texas, spanning 2019–2023. Each annual total aggregates on-site air emissions, surface-water discharges, land disposal, and off-site transfers reported by the facility under EPCRA Section 313, which requires disclosure whenever a listed chemical is manufactured, processed, or otherwise used above threshold quantities.

Reported releases opened at 97.7K in 2019 and closed at 63.5K in 2023 – a decrease of 35.0% over the window. The chart below stacks the four TRI release media (air, water, land, off-site) and overlays the yearly total. The top contributor by cumulative mass is n-Butyl alcohol at 117.3K, followed by 1,2,4-Trimethylbenzene at 90.9K.

Because TRI figures are estimated, not metered, year-over-year deltas can reflect methodology revisions, ownership changes, or shifts in what a facility classifies as reportable, not only physical emission changes. Treat the trajectory as a disclosure record, and cross-reference with the EPA Enforcement and Compliance History Online (ECHO) system for the fuller regulatory picture on this transportation equipment facility.

Overall Trend
↓ Decreasing (-35.0%)
2019 Total
97.7K lbs
2023 Total
63.5K lbs

Total Releases by Category

Air
Water
Land
Offsite Transfer
019.5K39.1K58.6K78.2K97.7K 20192020202120222023 Pounds Released

Year-over-Year Comparison

Year Total Chemicals YoY Change
2019 97.7K lbs 18 -
2020 76.4K lbs 17 -21.8%
2021 67.9K lbs 16 -11.2%
2022 49.4K lbs 16 -27.2%
2023 63.5K lbs 17 +28.5%

Top Chemicals by Year

Chemical 20192020202120222023 Total
n-Butyl alcohol 31.3K 23.6K 20.0K 15.9K 26.5K 117.3K
1,2,4-Trimethylbenzene 26.8K 15.1K 17.0K 11.9K 20.1K 90.9K
Certain glycol ethers 11.3K 18.2K 17.8K 12.2K 3.4K 62.9K
Methanol 7.7K 5.8K 5.1K 3.0K 4.6K 26.3K
Zinc compounds 3.7K 1.6K 2.5K 1.8K 2.2K 11.8K
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 5.4K 3.5K 757 888 871 11.4K
Xylene (mixed isomers) 3.0K 2.3K 2.5K 1.2K 1.9K 10.9K
Toluene 1.4K 881 775 1.6K 2.1K 6.7K
Sodium nitrite 3.2K 2.5K - - - 5.7K
Cumene 1.2K 633 697 503 863 3.9K
Manganese And Manganese Compounds 1.1K 1.5K 1 38 158 2.7K
Ethylbenzene 501 489 456 305 446 2.2K
Naphthalene 318 301 18 27 39 703
Nickel And Nickel Compounds 630 - - - 29 659
Benzene 177 131 106 98 140 651

About This Data

Trend data is sourced from the EPA Toxic Release Inventory (TRI). Facilities report annually. Release quantities are self-reported estimates. Year-over-year changes may reflect changes in production, pollution control measures, reporting methodology, or chemical thresholds.

A decrease in reported releases does not necessarily indicate improved environmental performance, as it may reflect production cutbacks, facility closures, or changes in reporting requirements. Similarly, increases may reflect expanded production rather than degraded environmental practices.

Frequently Asked Questions

Is Toyota Motor Manufacturing Texas getting cleaner or dirtier?
Based on EPA TRI data from 2019–2023, Toyota Motor Manufacturing Texas's total toxic releases have decreased by approximately 35%.
What time period does this trend data cover?
This page shows 5 years of EPA Toxic Release Inventory data from 2019–2023. Release quantities are self-reported estimates filed annually by the facility.