Orion Engineered Carbons Orange Plant – Emissions Trend
Orange, TX · 2019–2023 · Parent: Orion Engineered Carbons LLC
This page assembles 5 consecutive years of EPA Toxics Release Inventory Form R filings for Orion Engineered Carbons Orange Plant, 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 109.9K in 2019 and closed at 56.7K in 2023 – a decrease of 48.4% 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 Hydrogen sulfide at 225.1K, followed by Carbon disulfide at 60.1K.
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.
Total Releases by Category
Year-over-Year Comparison
| Year | Total | Chemicals | YoY Change |
|---|---|---|---|
| 2019 | 109.9K lbs | 8 | - |
| 2020 | 78.8K lbs | 8 | -28.3% |
| 2021 | 78.7K lbs | 8 | -0.2% |
| 2022 | 58.2K lbs | 8 | -26.0% |
| 2023 | 56.7K lbs | 8 | -2.6% |
Top Chemicals by Year
| Chemical | 2019 | 2020 | 2021 | 2022 | 2023 | Total |
|---|---|---|---|---|---|---|
| Hydrogen sulfide | 56.2K | 39.3K | 39.3K | 45.7K | 44.7K | 225.1K |
| Carbon disulfide | 22.4K | 15.7K | 15.8K | 3.2K | 3.1K | 60.1K |
| Hydrogen cyanide | 14.0K | 11.6K | 11.5K | 6.0K | 5.7K | 48.9K |
| Carbonyl sulfide | 15.5K | 10.8K | 10.4K | 2.1K | 2.1K | 40.9K |
| Ethylene | 1.0K | 760 | 1.1K | 626 | 565 | 4.0K |
| Benzene | 710 | 585 | 536 | 588 | 550 | 3.0K |
| Polycyclic aromatic compounds | 47 | 89 | 32 | 34 | 24 | 225 |
| Benzo[g,h,i]perylene | 2 | 2 | 1 | 1 | 1 | 7 |
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
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Read our methodology - how this data is sourced, computed, and verified.