Hyundai Motor Manufacturing Alabama LLC — Emissions Trend

Montgomery, AL · 2019–2023

This page assembles 5 consecutive years of EPA Toxics Release Inventory Form R filings for Hyundai Motor Manufacturing Alabama LLC, 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 136.8K in 2019 and closed at 114.4K in 2023 - a decreasing of -16.4% 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 Certain glycol ethers at 127.5K, followed by Nitrate compounds (water dissociable; reportable only when in aqueous solution) at 115.3K.

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 (-16.4%)
2019 Total
136.8K lbs
2023 Total
114.4K lbs

Total Releases by Category

Air
Water
Land
Offsite Transfer
027.4K54.7K82.1K109.5K136.8K 20192020202120222023 Pounds Released

Year-over-Year Comparison

Year Total Chemicals YoY Change
2019 136.8K lbs 15
2020 118.6K lbs 15 -13.3%
2021 89.3K lbs 15 -24.7%
2022 99.9K lbs 15 +11.8%
2023 114.4K lbs 16 +14.5%

Top Chemicals by Year

Chemical 20192020202120222023 Total
Certain glycol ethers 53.2K 42.6K 9.3K 10.6K 11.8K 127.5K
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 22.4K 22.4K 22.4K 25.6K 22.4K 115.3K
Nitric acid 22.4K 22.4K 22.4K 22.4K 22.4K 112.0K
1,2,4-Trimethylbenzene 12.8K 10.2K 12.1K 12.3K 14.0K 61.4K
n-Butyl alcohol 11.1K 8.9K 10.8K 10.8K 12.1K 53.7K
Toluene 4.7K 3.8K 4.6K 7.4K 11.2K 31.7K
Methanol 2.2K 1.8K 3.1K 4.5K 6.1K 17.6K
Nickel compounds 3.0K 2.5K 272 4.2K 9.9K
Xylene (mixed isomers) 1.7K 1.4K 1.1K 1.8K 2.8K 8.8K
Ethylene glycol 816 674 1.2K 1.9K 3.0K 7.6K
Manganese compounds 1.8K 1.4K 1.2K 2.4K 6.8K
Ethylbenzene 175 140 316 521 791 1.9K
Manganese And Manganese Compounds 1.4K 1.4K
Sodium nitrite 373 298 323 49 323 1.4K
Benzene 70 56 219 360 559 1.3K

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 Hyundai Motor Manufacturing Alabama LLC getting cleaner or dirtier?
Based on EPA TRI data from 2019–2023, Hyundai Motor Manufacturing Alabama LLC's total toxic releases have decreased by approximately 16%.
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.