Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NALCO CO - BIG SPRING
4424 SOUTH HIGHWAY 87, BIG SPRING, TX, 79720
Parent company: NA
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Methanol | Toluene | 1,2,4-Trimethylbenzene | Ammonia | Xylene (mixed isomers) | Total (lbs) |
| 2024 | 603 | — | 453 | 423 | — | 1,479 |
| 2023 | 256 | 241 | — | — | 14 | 511 |
| 2022 | 92 | 207 | — | — | 23 | 323 |
| 2021 | 288 | 249 | — | — | 25 | 561 |
| 2020 | 53 | 189 | 1 | — | — | 243 |
| 2018 | 133 | 151 | — | — | — | 284 |
| 2017 | 188 | 257 | — | — | — | 445 |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.