ONSEMI- EAST FISHKILL FACILITY
Quick Summary
- •Released 744,131 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
2070 NY-52
HOPEWELL JUNCTION, NY 12533
View on map ↗ - County
- DUTCHESS County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 334413
- Inspections
- 9 · last Aug 21, 2025
- Total Penalties
- $0 · last May 1, 2020
- Registry ID
- 110041998345
How This Compares
Ranked by most recent year's total TRI releases.
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
Qtrs Non-Compliant
Qtrs Non-Compliant
Qtrs Non-Compliant
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 1,329,582 | — |
| 2016 | 941,878 | -29% |
| 2017 | 744,131 | -21% |
| 2018 | 639,096 | -14% |
| 2019 | 2,223 | -100% |
| 2020 | 672,489 | +30151% |
| 2021 | 594,484 | -12% |
| 2022 | 645,044 | +9% |
| 2023 | 514,051 | -20% |
| 2024 | 566,604 | +10% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Benzo[g,h,i]perylene | — | — | — | — | 14 | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 536,112 | — | 536,112 | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 10,087 | 10,087 | — | — | — | |
| Ammonia | 7,391 | 7,371 | 20 | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 5,657 | 5,657 | — | — | — | |
| Ethylene glycol | 4,370 | 4,370 | — | — | 776 | |
| Hydrogen fluoride | 1,674 | 1,674 | — | — | 3,090 | |
| Nitric acid | 940 | 940 | — | — | — | |
| N-Methyl-2-pyrrolidone | 355 | 355 | — | — | 32,749 | |
| Ozone | 12 | 12 | — | — | — | |
| Fluorine | 3 | 2 | — | 1 | — | |
| Polycyclic aromatic compounds | 3 | 3 | — | — | 1,269 | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 486,728 | — | 486,728 | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 8,900 | 8,900 | — | — | — | |
| Ammonia | 7,461 | 7,400 | 61 | — | — | |
| Ethylene glycol | 4,500 | 4,500 | — | — | 11,058 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 3,200 | 3,200 | — | — | — | |
| Hydrogen fluoride | 1,700 | 1,700 | — | — | — | |
| Nitric acid | 860 | 860 | — | — | — | |
| N-Methyl-2-pyrrolidone | 380 | 380 | — | — | 73,751 | |
| Copper compounds | 228 | 4 | 224 | — | 22,506 | |
| Ozone | 87 | 87 | — | — | — | |
| Fluorine | 4 | 4 | — | — | — | |
| Polycyclic aromatic compounds | 3 | 3 | — | — | — | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 619,772 | — | 619,772 | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 10,700 | 10,700 | — | — | — | |
| Ethylene glycol | 4,500 | 4,500 | — | — | 4,116 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 3,300 | 3,300 | — | — | — | |
| Ammonia | 3,199 | 3,100 | 99 | — | — | |
| Hydrogen fluoride | 1,800 | 1,800 | — | — | — | |
| Nitric acid | 1,000 | 1,000 | — | — | — | |
| N-Methyl-2-pyrrolidone | 410 | 410 | — | — | 116,444 | |
| Copper compounds | 314 | 8 | 306 | — | 36,485 | |
| Fluorine | 30 | 30 | — | — | — | |
| Ozone | 16 | 16 | — | — | — | |
| Polycyclic aromatic compounds | 3 | 3 | — | — | — | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 569,216 | — | 569,216 | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 8,600 | 8,600 | — | — | — | |
| Ammonia | 4,791 | 4,400 | 391 | — | — | |
| Ethylene glycol | 4,400 | 4,400 | — | — | 4,290 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 3,600 | 3,600 | — | — | — | |
| Nitric acid | 2,000 | 2,000 | — | — | — | |
| Hydrogen fluoride | 1,200 | 1,200 | — | — | — | |
| N-Methyl-2-pyrrolidone | 400 | 400 | — | — | 146,976 | |
| Copper compounds | 236 | 7 | 229 | — | 44,508 | |
| Fluorine | 25 | 25 | — | — | — | |
| Ozone | 16 | 16 | — | — | — |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 640,831 | — | 640,831 | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 15,500 | 15,500 | — | — | — | |
| Ammonia | 4,736 | 4,700 | 36 | — | — | |
| Ethylene glycol | 4,400 | 4,400 | — | — | 3,996 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 3,700 | 3,700 | — | — | — | |
| Nitric acid | 1,600 | 1,600 | — | — | — | |
| Hydrogen fluoride | 1,000 | 1,000 | — | — | — | |
| N-Methyl-2-pyrrolidone | 400 | 400 | — | — | 136,073 | |
| Copper compounds | 281 | 6 | 275 | — | 28,544 | |
| Fluorine | 25 | 25 | — | — | — | |
| Ozone | 16 | 16 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrogen fluoride | 2,000 | 2,000 | — | — | — | |
| Copper compounds | 221 | 6 | 215 | — | 29,872 | |
| Lead compounds | 2 | 2 | — | — | 625 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 615,326 | — | 615,326 | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 7,000 | 7,000 | — | — | — | |
| Ammonia | 4,936 | 4,900 | 36 | — | — | |
| Ethylene glycol | 4,310 | 4,310 | — | — | 43 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 3,700 | 3,700 | — | — | — | |
| Hydrogen fluoride | 1,900 | 1,900 | — | — | — | |
| Nitric acid | 1,000 | 1,000 | — | — | — | |
| N-Methyl-2-pyrrolidone | 614 | 600 | 14 | — | 93,010 | |
| Copper compounds | 275 | 6 | 269 | — | 13,512 | |
| Fluorine | 23 | 23 | — | — | — | |
| Ozone | 10 | 10 | — | — | — | |
| Lead compounds | 2 | 2 | — | — | 1,582 |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Polycyclic aromatic compounds | — | — | — | — | — | ♦ Carcinogen |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 720,598 | — | 720,598 | — | 6 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 7,100 | 7,100 | — | — | — | |
| Ammonia | 4,929 | 4,900 | 29 | — | — | |
| Ethylene glycol | 4,100 | 4,100 | — | — | 109 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 3,600 | 3,600 | — | — | — | |
| Hydrogen fluoride | 1,900 | 1,900 | — | — | — | |
| Nitric acid | 950 | 950 | — | — | — | |
| N-Methyl-2-pyrrolidone | 644 | 600 | 44 | — | 133,711 | |
| Copper compounds | 261 | 4 | 257 | — | 17,937 | |
| Fluorine | 26 | 26 | — | — | — | |
| Lead compounds | 13 | 3 | 10 | — | 2,970 | |
| Ozone | 10 | 10 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 921,167 | — | 921,167 | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 5,400 | 5,400 | — | — | — | |
| Ammonia | 4,687 | 4,600 | 87 | — | — | |
| Ethylene glycol | 4,100 | 4,100 | — | — | 1,174 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 3,200 | 3,200 | — | — | — | |
| Hydrogen fluoride | 1,700 | 1,700 | — | — | — | |
| Nitric acid | 820 | 820 | — | — | — | |
| Copper compounds | 381 | 16 | 365 | — | 24,290 | |
| N-Methyl-2-pyrrolidone | 360 | 360 | — | — | 185,032 | |
| Fluorine | 36 | 36 | — | — | — | |
| Lead compounds | 17 | 2 | 15 | — | 4,067 | |
| Ozone | 10 | 10 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1,312,894 | — | 1,312,894 | — | — | |
| Ammonia | 4,034 | 4,000 | 34 | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 3,800 | 3,800 | — | — | — | |
| Ethylene glycol | 3,100 | 3,100 | — | — | 1,433 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,500 | 2,500 | — | — | — | |
| Hydrogen fluoride | 1,600 | 1,600 | — | — | — | |
| Nitric acid | 700 | 700 | — | — | — | |
| Copper compounds | 475 | 21 | 454 | — | 25,659 | |
| N-Methyl-2-pyrrolidone | 410 | 410 | — | — | 183,165 | |
| Fluorine | 41 | 41 | — | — | — | |
| Lead compounds | 18 | 2 | 16 | — | 733 | |
| Ozone | 10 | 10 | — | — | — |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| Ozone | — | — | — | 48,900 |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | — | — | — | 66,646 |
| Polycyclic aromatic compounds | — | 1,269 | — | — |
| Ethylene glycol | — | 725 | 51 | — |
| Benzo[g,h,i]perylene | — | 14 | — | — |
| Fluorine | — | — | — | 21,256 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 10,560 |
| Hydrogen fluoride | — | — | — | 474,356 |
| N-Methyl-2-pyrrolidone | — | 10,173 | 22,547 | 1,253 |
| Nitric acid | — | — | — | 244,200 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 41,214 |
| Ammonia | — | — | — | 61,048 |
Off-Site Transfer Destinations
Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.
| Destination | Chemical | Disposal | Recycling | Energy Rec. | Treatment |
|---|---|---|---|---|---|
|
SAFETY KLEEN SYSTEMS INC
LINDEN, NJ
|
Ethylene glycol | — | 725 | — | — |
|
SAFETY-KLEEN SYSTEMS, INC.
SMITHFIELD, KY
|
Ethylene glycol | — | — | 51 | — |
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
Hydrogen fluoride | — | — | — | 3,090 |
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
N-Methyl-2-pyrrolidone | — | — | — | 29 |
|
SAFETY KLEEN SYSTEMS INC
LINDEN, NJ
|
N-Methyl-2-pyrrolidone | — | 10,173 | — | — |
|
SAFETY-KLEEN SYSTEMS, INC.
SMITHFIELD, KY
|
N-Methyl-2-pyrrolidone | — | — | 9,193 | — |
|
TRADEBE TREATMENT AND RECYCLING OF STOUGHTON
STOUGHTON, MA
|
Polycyclic aromatic compounds | — | 92 | — | — |
|
RECYCLE OIL CO
EASTON, PA
|
Polycyclic aromatic compounds | — | 1,048 | — | — |
|
VLS LANCASTER LLC
LANCASTER, PA
|
Polycyclic aromatic compounds | — | 128 | — | — |
|
RECYCLE OIL CO
EASTON, PA
|
Benzo[g,h,i]perylene | — | 11 | — | — |
|
VLS LANCASTER LLC
LANCASTER, PA
|
Benzo[g,h,i]perylene | — | 1 | — | — |
|
TRADEBE TREATMENT AND RECYCLING OF STOUGHTON
STOUGHTON, MA
|
Benzo[g,h,i]perylene | — | 1 | — | — |
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| rcra | Standards Applicable to Generators of HW: General | Aug 21, 2025 | Oct 24, 2025 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Aug 21, 2025 | Oct 24, 2025 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Aug 21, 2025 | Aug 28, 2025 | Resolved |
| rcra | Land Disposal Restrictions: General | Aug 21, 2025 | — | Open |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards | Aug 21, 2025 | Oct 24, 2025 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Aug 21, 2025 | Nov 20, 2025 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Nov 29, 2021 | Dec 20, 2021 | Resolved |
| rcra | Violation of a permit condition or requirement | Sep 21, 2018 | May 1, 2020 | Resolved |
| cwa | Schedule Event reported late | Mar 1, 2009 | — | Open |
| cwa | Schedule Event unachieved but reported | Mar 1, 2009 | May 1, 2009 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 1, 2009 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 1, 2009 | May 1, 2009 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 1, 2008 | Feb 2, 2009 | Resolved |
| cwa | Schedule Event unachieved but reported | Dec 1, 2008 | Feb 2, 2009 | Resolved |
| cwa | Schedule Event achieved late but reported | Dec 1, 2008 | — | Open |
| cwa | Schedule Event reported late | Dec 1, 2008 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 28, 2004 | — | Open |
| rcra | Standards for Owners and Operators of HW TSDs: General | Apr 3, 1992 | May 27, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Sep 9, 1988 | Nov 16, 1988 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Manifest System, Recordkeeping and Reporting | Jan 25, 1988 | Jan 27, 1988 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Manifest System, Recordkeeping and Reporting | Dec 25, 1987 | Dec 27, 1987 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Manifest System, Recordkeeping and Reporting | Feb 25, 1986 | Feb 27, 1986 | Resolved |
| rcra | EPA Administered Permit Programs: the HW Permit Program Permit Application | Feb 7, 1986 | Nov 16, 1988 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Apr 29, 1985 | Nov 16, 1988 | Resolved |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 8.70 mg/L | 8.00 | +9% | Oct 2025 | Open |
| Chromium, hexavalent [as Cr] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +99,999% | Jul 2022 | Open |
| Fluoride, total [as F] | DMR, Limited - Numeric Violation | 7.50 mg/L | 7.30 | +3% | Dec 2021 | Open |
| Fluoride, total [as F] | DMR, Limited - Numeric Violation | 8.10 mg/L | 7.30 | +11% | Nov 2021 | Open |
| Nitrogen, ammonia, total [as NH3] | DMR, Limited - Numeric Violation | 0.10 mg/L | 1.30 | +99,999% | Aug 2021 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 460.00 MPN/100mL | 400.00 | +15% | Aug 2021 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 610.00 MPN/100mL | 400.00 | +53% | Jun 2021 | Open |
| Nitrogen, ammonia, total [as NH3] | DMR, Limited - Numeric Violation | 2.90 mg/L | 1.30 | +123% | Apr 2021 | Resolved |
| Nitrogen, ammonia, total [as NH3] | DMR, Limited - Numeric Violation | 3.50 mg/L | 2.70 | +30% | Mar 2021 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 24.00 MPN/100mL | 200.00 | +99,999% | Jan 2020 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 45.00 MPN/100mL | 400.00 | +99,999% | Jan 2020 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 211.00 MPN/100mL | 200.00 | +6% | Oct 2019 | Open |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +100% | Jun 2019 | Resolved |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +400% | May 2019 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 300.00 MPN/100mL | 200.00 | +50% | Aug 2018 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,000.00 MPN/100mL | 400.00 | +150% | Aug 2018 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 17.50 mg/L | 15.00 | +17% | Jul 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 47.00 mg/L | 40.00 | +18% | Jul 2018 | Open |
| N-Methyl-2-pyrrolidone | DMR, Limited - Numeric Violation | 0.07 mg/L | 0.02 | +250% | Dec 2017 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 202.00 MPN/100mL | 200.00 | +1% | Jun 2017 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 700.00 MPN/100mL | 400.00 | +75% | Jun 2017 | Open |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +100% | Dec 2016 | Open |
| Chromium, hexavalent [as Cr] | DMR, Limited - Overdue | 0.01 mg/L | 0.01 | +8% | Nov 2016 | Resolved |
| Chromium, hexavalent [as Cr] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +8% | Nov 2016 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 18.00 mg/L | 15.00 | +20% | Jul 2016 | Open |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +99,999% | Dec 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 11.00 mg/L | 25.00 | +99,999% | Oct 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 11.00 mg/L | 40.00 | +99,999% | Oct 2015 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.06 | +67% | Apr 2015 | Resolved |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +99,999% | Mar 2015 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.