♦ Carcinogen
1,1-Dimethylhydrazine
CAS # 57-14-7
247,875 lbs total reported releases across all facilities and years.
Facilities listed below reported releases of this chemical to the EPA Toxic Release Inventory (TRI). Quantities are self-reported annual totals in pounds, broken out by release pathway. Click any facility name for its full compliance profile.
National Release Trend (2015–2024)
+3951850% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 6 | 2 | — |
| 2016 | 13 | 2 | +108% |
| 2017 | 47 | 2 | +261% |
| 2018 | 8 | 4 | -83% |
| 2019 | 5 | 1 | -38% |
| 2020 | 4 | 2 | -20% |
| 2021 | 2 | 2 | -50% |
| 2022 | 2 | 2 | 0% |
| 2023 | 0 | 1 | -96% |
| 2024 | 247,787 | 2 | +275319111% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Administrative and Support and Waste Management | 247,874 | 4 |
| Manufacturing | 1 | 1 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| (VEOLIA) ELEMENTAL ENVIRONMENTAL SOLUTIONS LLC - GUM SPRINGS PLANT | ARKADELPHIA, AR | 2024 | 247,787 | 0 | — |
| HERITAGE THERMAL SERVICES | EAST LIVERPOOL, OH | 2024 | 0 | 0 | — |
| HERITAGE THERMAL SERVICES | EAST LIVERPOOL, OH | 2023 | 0 | 0 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2022 | 2 | 2 | — |
| HERITAGE THERMAL SERVICES | EAST LIVERPOOL, OH | 2022 | 0 | 0 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2021 | 2 | 2 | — |
| HERITAGE THERMAL SERVICES | EAST LIVERPOOL, OH | 2021 | 0 | 0 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2020 | 4 | 4 | — |
| HERITAGE THERMAL SERVICES | EAST LIVERPOOL, OH | 2020 | 0 | 0 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2019 | 5 | 5 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2018 | 6 | 6 | — |
| VEOLIA ES TECHNICAL SOLUTIONS LLC | SAUGET, IL | 2018 | 1 | 1 | — |
| CALCA SOLUTIONS, LLC | WESTLAKE, LA | 2018 | 1 | 1 | — |
| HERITAGE THERMAL SERVICES | EAST LIVERPOOL, OH | 2018 | 0 | 0 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2017 | 47 | 47 | — |
| HERITAGE THERMAL SERVICES | EAST LIVERPOOL, OH | 2017 | 0 | 0 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2016 | 13 | 13 | — |
| HERITAGE THERMAL SERVICES | EAST LIVERPOOL, OH | 2016 | 0 | 0 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2015 | 5 | 5 | — |
| HERITAGE THERMAL SERVICES | EAST LIVERPOOL, OH | 2015 | 1 | 1 | 0 |