Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HUMPHREY NO 7
849 LAZZELLE UNION RD, MAIDSVILLE, WV, 26541
Parent company: NA
Carcinogen
PBT
— EPA classifications across all reporting years
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 | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Manganese compounds | Vanadium compounds | Barium And Barium Compounds | Zinc compounds | Total (lbs) |
| 2024 | 144,927 | 66,646 | 42,142 | — | 29,059 | 391,875 |
| 2023 | 142,572 | 61,984 | 46,587 | — | 30,306 | 402,456 |
| 2022 | — | — | 49,428 | 145,626 | 31,612 | 417,421 |
| 2021 | — | — | 43,126 | 140,247 | 28,729 | 385,474 |
| 2020 | 216,736 | 70,252 | 68,241 | — | 33,253 | 554,797 |
| 2019 | 233,914 | 202,029 | 71,881 | — | 40,840 | 740,446 |
| 2018 | — | — | 26,095 | 147,428 | 20,306 | 335,191 |
| 2017 | 217,899 | 134,650 | 43,270 | — | 28,180 | 504,547 |
| 2016 | 263,205 | 162,983 | 69,718 | — | 38,385 | 667,740 |
| 2015 | 119,877 | 144,204 | 25,183 | — | 14,430 | 330,733 |
| 2014 | 151,041 | 133,368 | 34,657 | — | 17,271 | 397,137 |
| 2013 | 150,623 | 113,875 | 35,172 | — | 17,077 | 378,890 |
▎ 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.