Bayport_tx – Emissions Trend

Pasadena, TX · 2019–2023 · Parent: Dow Inc

This page assembles 5 consecutive years of EPA Toxics Release Inventory Form R filings for Bayport_tx, 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 14.9K in 2019 and closed at 12.2K in 2023 – a decrease of 18.4% 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 Ammonia at 37.0K, followed by Chromium compounds (except for chromite ore mined in the Transvaal Region) at 17.9K.

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 chemicals facility.

Overall Trend
↓ Decreasing (-18.4%)
2019 Total
14.9K lbs
2023 Total
12.2K lbs

Total Releases by Category

Air
Water
Land
Offsite Transfer
03.2K6.3K9.5K12.6K15.8K 20192020202120222023 Pounds Released

Year-over-Year Comparison

Year Total Chemicals YoY Change
2019 14.9K lbs 9 -
2020 13.0K lbs 9 -12.9%
2021 13.9K lbs 9 +6.5%
2022 15.8K lbs 9 +13.9%
2023 12.2K lbs 9 -22.8%

Top Chemicals by Year

Chemical 20192020202120222023 Total
Ammonia 7.9K 6.5K 7.1K 8.8K 6.8K 37.0K
Chromium compounds (except for chromite ore mined in the Transvaal Region) 6.2K 5.7K - 6.0K - 17.9K
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) - - 6.3K - 4.7K 11.0K
Acrylic acid 535 447 272 202 188 1.6K
Methyl methacrylate 183 255 - 315 281 1.0K
Ethylene oxide 78 86 55 344 131 694
Ethylene glycol 19 19 120 37 12 207
Propylene oxide 36 26 22 69 38 191
Methanol 8 12 - 62 32 114
Butyl acrylate 2 3 - - - 5

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 Bayport_tx getting cleaner or dirtier?
Based on EPA TRI data from 2019–2023, Bayport_tx's total toxic releases have decreased by approximately 18%.
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.