♦ Carcinogen
Diazinon
CAS # 333-41-5
98,263 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)
-97% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 20,540 | 15 | — |
| 2016 | 19,268 | 15 | -6% |
| 2017 | 44,574 | 12 | +131% |
| 2018 | 12,752 | 12 | -71% |
| 2019 | 25 | 5 | -100% |
| 2020 | 159 | 12 | +534% |
| 2021 | 136 | 12 | -15% |
| 2022 | 78 | 13 | -42% |
| 2023 | 20 | 9 | -74% |
| 2024 | 711 | 11 | +3371% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Administrative and Support and Waste Management | 97,045 | 13 |
| Manufacturing | 1,219 | 6 |
Worst Water Discharge Exceedances
Facilities that exceeded their permit limits for this chemical in discharge monitoring reports
| Facility | Reported | Limit | Exceedance | Period |
|---|---|---|---|---|
|
DISCOVERY BAY WWTP
DISCOVERY BAY, CA
|
0.05 mg/L | 0.00 | +5,300% | Dec 2020 |
|
DISCOVERY BAY WWTP
DISCOVERY BAY, CA
|
0.05 mg/L | 0.00 | +5,300% | Dec 2020 |
|
CORNING WASTEWATER TREATMENT PLANT
CORNING, CA
|
0.01 mg/L | 0.00 | +1,000% | Dec 2025 |
|
CORNING WASTEWATER TREATMENT PLANT
CORNING, CA
|
0.01 mg/L | 0.00 | +1,000% | Dec 2025 |
|
HAMMONTON GOLD VILLAGE WWTP
SMARTSVILLE, CA
|
0.01 mg/L | 0.00 | +430% | Dec 2025 |
|
HAMMONTON GOLD VILLAGE WWTP
SMARTSVILLE, CA
|
0.01 mg/L | 0.00 | +430% | Dec 2025 |
|
REBEL STATION #8
LAS VEGAS, NV
|
0.00 mg/L | 0.00 | +212% | Dec 2025 |
|
REBEL STATION #8
LAS VEGAS, NV
|
0.00 mg/L | 0.00 | +212% | Sep 2025 |
|
REBEL STATION #8
LAS VEGAS, NV
|
0.00 mg/L | 0.00 | +212% | Mar 2025 |
|
REBEL STATION #8
LAS VEGAS, NV
|
0.00 mg/L | 0.00 | +212% | Jun 2025 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| DREXEL CHEMICAL CO | CORDELE, GA | 2020 | 15 | 10 | 5 |
| RITEPACK, INC. - KMG | ELWOOD, KS | 2020 | 10 | 10 | — |
| CLEAN HARBORS EL DORADO LLC | EL DORADO, AR | 2020 | 0 | 0 | — |
| CLEAN HARBORS DEER PARK LLC | LA PORTE, TX | 2020 | 0 | 0 | — |
| CLEAN HARBORS ARAGONITE LLC | GRANTSVILLE, UT | 2020 | 0 | 0 | — |
| HERITAGE THERMAL SERVICES | EAST LIVERPOOL, OH | 2020 | 0 | 0 | — |
| ROSS INCINERATION SERVICES (GRAFTON, OH) | GRAFTON, OH | 2020 | 0 | 0 | — |
| SCHIRM USA INC. | ENNIS, TX | 2019 | — | — | — |
| DREXEL CHEMICAL CO | CORDELE, GA | 2019 | 15 | 10 | 5 |
| RITEPACK, INC. - KMG | ELWOOD, KS | 2019 | 10 | 10 | — |
| CLEAN HARBORS EL DORADO LLC | EL DORADO, AR | 2019 | 0 | 0 | — |
| ROSS INCINERATION SERVICES (GRAFTON, OH) | GRAFTON, OH | 2019 | 0 | 0 | — |
| Y TEX CORP | CODY, WY | 2018 | — | — | — |
| GOWAN MILLING | YUMA, AZ | 2018 | — | — | — |
| SCHIRM USA INC. | ENNIS, TX | 2018 | — | — | — |
| US ECOLOGY IDAHO INC | GRAND VIEW, ID | 2018 | 12,714 | 3 | — |
| PLATTE CHEMICAL CO | GREENVILLE, MS | 2018 | 19 | 19 | — |
| DREXEL CHEMICAL CO | CORDELE, GA | 2018 | 15 | 10 | 5 |
| CLEAN HARBORS ENVIRONMENTAL SERVICES INC | KIMBALL, NE | 2018 | 1 | 1 | — |
| VEOLIA ES TECHNICAL SOLUTIONS LLC | SAUGET, IL | 2018 | 1 | 1 | — |
| ROSS INCINERATION SERVICES (GRAFTON, OH) | GRAFTON, OH | 2018 | 1 | 1 | — |
| CLEAN HARBORS ARAGONITE LLC | GRANTSVILLE, UT | 2018 | 0 | 0 | — |
| CLEAN HARBORS EL DORADO LLC | EL DORADO, AR | 2018 | 0 | 0 | — |
| HERITAGE THERMAL SERVICES | EAST LIVERPOOL, OH | 2018 | 0 | 0 | — |
| SCHIRM USA INC. | ENNIS, TX | 2017 | — | — | — |
| GOWAN MILLING | YUMA, AZ | 2017 | — | — | — |
| VEOLIA ES TECHNICAL SOLUTIONS LLC | SAUGET, IL | 2017 | — | — | — |
| Y TEX CORP | CODY, WY | 2017 | — | — | — |
| CLEAN HARBORS DEER TRAIL LLC | DEER TRAIL, CO | 2017 | 44,539 | 3 | — |
| DREXEL CHEMICAL CO | CORDELE, GA | 2017 | 15 | 10 | 5 |
| PLATTE CHEMICAL CO | GREENVILLE, MS | 2017 | 15 | 15 | — |
| ROSS INCINERATION SERVICES (GRAFTON, OH) | GRAFTON, OH | 2017 | 3 | 3 | — |
| CLEAN HARBORS ENVIRONMENTAL SERVICES INC | KIMBALL, NE | 2017 | 1 | 1 | — |
| CLEAN HARBORS EL DORADO LLC | EL DORADO, AR | 2017 | 1 | 1 | — |
| CLEAN HARBORS ARAGONITE LLC | GRANTSVILLE, UT | 2017 | 0 | 0 | — |
| HERITAGE THERMAL SERVICES | EAST LIVERPOOL, OH | 2017 | 0 | 0 | — |
| SCHIRM USA INC. | ENNIS, TX | 2016 | — | — | — |
| VEOLIA ES TECHNICAL SOLUTIONS LLC | SAUGET, IL | 2016 | — | — | — |
| Y TEX CORP | CODY, WY | 2016 | — | — | — |
| GOWAN MILLING | YUMA, AZ | 2016 | — | — | — |
| CLEAN HARBORS DEER TRAIL LLC | DEER TRAIL, CO | 2016 | 18,456 | 1 | 5 |
| PLATTE CHEMICAL CO | GREENVILLE, MS | 2016 | 730 | 730 | — |
| CLEAN HARBORS ENVIRONMENTAL SERVICES INC | KIMBALL, NE | 2016 | 41 | 41 | — |
| DREXEL CHEMICAL CO | CORDELE, GA | 2016 | 15 | 10 | 5 |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2016 | 10 | 10 | — |
| RITEPACK, INC. - KMG | ELWOOD, KS | 2016 | 10 | 10 | — |
| ROSS INCINERATION SERVICES (GRAFTON, OH) | GRAFTON, OH | 2016 | 4 | 4 | — |
| CLEAN HARBORS EL DORADO LLC | EL DORADO, AR | 2016 | 1 | 1 | — |
| CLEAN HARBORS DEER PARK LLC | LA PORTE, TX | 2016 | 1 | 1 | — |
| CLEAN HARBORS ARAGONITE LLC | GRANTSVILLE, UT | 2016 | 0 | 0 | — |