♦ Carcinogen
Benzidine
CAS # 92-87-5
254,860 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)
+4224681% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 6 | 2 | — |
| 2016 | 14 | 2 | +132% |
| 2017 | 48 | 2 | +243% |
| 2018 | 7 | 1 | -85% |
| 2019 | 0 | 2 | -99% |
| 2020 | 5 | 5 | +6375% |
| 2021 | 3 | 2 | -42% |
| 2022 | 3 | 2 | -0% |
| 2023 | 19 | 4 | +534% |
| 2024 | 254,754 | 4 | +1339302% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Administrative and Support and Waste Management | 254,842 | 5 |
| Manufacturing | 17 | 3 |
Worst Water Discharge Exceedances
Facilities that exceeded their permit limits for this chemical in discharge monitoring reports
| Facility | Reported | Limit | Exceedance | Period |
|---|---|---|---|---|
|
WATSONVILLE WWTF
WATSONVILLE, CA
|
0.04 mg/L | 0.00 | +610,069% | Mar 2016 |
|
EL ESTERO WWTP
SANTA BARBARA, CA
|
0.05 mg/L | 0.00 | +542,069% | Dec 2016 |
|
SANTA CRUZ WASTEWATER TREATMENT PLANT
SANTA CRUZ, CA
|
0.05 mg/L | 0.00 | +494,745% | Jun 2024 |
|
SANTA CRUZ WASTEWATER TREATMENT PLANT
SANTA CRUZ, CA
|
0.05 mg/L | 0.00 | +494,745% | Dec 2023 |
|
SANTA CRUZ WASTEWATER TREATMENT PLANT
SANTA CRUZ, CA
|
0.03 mg/L | 0.00 | +257,632% | May 2016 |
|
SANTA CRUZ WASTEWATER TREATMENT PLANT
SANTA CRUZ, CA
|
0.03 mg/L | 0.00 | +257,632% | Nov 2015 |
|
QUALAWASH HOLDINGS LLC - QUALA - GEISMAR TERMINAL 260
GEISMAR, LA
|
0.04 mg/L | 0.00 | +249,900% | Jan 2018 |
|
SANTA CRUZ WASTEWATER TREATMENT PLANT
SANTA CRUZ, CA
|
0.02 mg/L | 0.00 | +247,323% | Nov 2017 |
|
SANTA CRUZ WASTEWATER TREATMENT PLANT
SANTA CRUZ, CA
|
0.02 mg/L | 0.00 | +247,323% | Jun 2018 |
|
QUALAWASH HOLDINGS LLC - QUALA - GEISMAR TERMINAL 260
GEISMAR, LA
|
0.03 mg/L | 0.00 | +187,400% | Oct 2019 |
|
QUALAWASH HOLDINGS LLC - QUALA - GEISMAR TERMINAL 260
GEISMAR, LA
|
0.03 mg/L | 0.00 | +187,400% | Nov 2019 |
|
QUALAWASH HOLDINGS LLC - QUALA - GEISMAR TERMINAL 260
GEISMAR, LA
|
0.03 mg/L | 0.00 | +183,650% | May 2019 |
|
QUALAWASH HOLDINGS LLC - QUALA - GEISMAR TERMINAL 260
GEISMAR, LA
|
0.03 mg/L | 0.00 | +181,775% | Dec 2019 |
|
CARPINTERIA SANITARY DISTRICT
CARPINTERIA, CA
|
0.01 mg/L | 0.00 | +142,977% | Dec 2018 |
|
SANTA CRUZ WASTEWATER TREATMENT PLANT
SANTA CRUZ, CA
|
0.01 mg/L | 0.00 | +102,993% | May 2015 |
|
SANTA CRUZ WASTEWATER TREATMENT PLANT
SANTA CRUZ, CA
|
0.01 mg/L | 0.00 | +102,993% | May 2017 |
|
SANTA CRUZ WASTEWATER TREATMENT PLANT
SANTA CRUZ, CA
|
0.01 mg/L | 0.00 | +98,869% | Dec 2018 |
|
SANTA CRUZ WASTEWATER TREATMENT PLANT
SANTA CRUZ, CA
|
0.01 mg/L | 0.00 | +98,869% | Jun 2019 |
|
SANTA CRUZ WASTEWATER TREATMENT PLANT
SANTA CRUZ, CA
|
0.01 mg/L | 0.00 | +98,869% | Dec 2024 |
|
EL ESTERO WWTP
SANTA BARBARA, CA
|
0.01 mg/L | 0.00 | +74,599% | Dec 2015 |