ISP CHEMICALS LLC
Quick Summary
- •Released 250,737 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
-
455 N MAIN ST
CALVERT CITY, KY 42029
View on map ↗ - County
- MARSHALL County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325199
- Inspections
- 8 · last Oct 22, 2025
- Total Penalties
- $0 · last Feb 2, 2021
- Registry ID
- 110000741608
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 | 328,735 | — |
| 2016 | 294,426 | -10% |
| 2017 | 250,737 | -15% |
| 2018 | 270,150 | +8% |
| 2019 | 27,896 | -90% |
| 2020 | 197,083 | +606% |
| 2021 | 240,326 | +22% |
| 2022 | 288,518 | +20% |
| 2023 | 372,542 | +29% |
| 2024 | 241,986 | -35% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 76,080 | 74,611 | 1,469 | — | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 60,835 | — | 60,835 | — | — | |
| Acetaldehyde | 18,868 | 18,587 | 281 | — | — | ♦ Carcinogen |
| Methanol | 18,050 | 18,050 | — | — | 8,447 | |
| Toluene | 17,664 | 17,664 | — | — | 408 | |
| Styrene | 16,927 | 16,927 | — | — | 4,991 | ♦ Carcinogen |
| Benzene | 15,504 | 15,504 | — | — | 2,318 | ♦ Carcinogen |
| Formic acid | 3,794 | 3,794 | — | — | — | |
| Diethyl sulfate | 3,176 | 3,176 | — | — | — | ♦ Carcinogen |
| n-Butyl alcohol | 2,498 | 2,498 | — | — | 746 | |
| Ethylene glycol | 2,293 | 2,293 | — | — | — | |
| Cyclohexane | 2,256 | 2,256 | — | — | 62 | |
| Copper | 1,440 | — | 1,440 | — | 4,109 | |
| Vinyl acetate | 1,426 | 1,426 | — | — | 1,620 | ♦ Carcinogen |
| Maleic anhydride | 780 | 780 | — | — | 93 | |
| Acrylic acid | 395 | 395 | — | — | 250 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 201,499 | — | 201,499 | — | — | |
| Ammonia | 64,534 | 62,398 | 2,136 | — | — | |
| Acetaldehyde | 20,464 | 20,346 | 118 | — | — | ♦ Carcinogen |
| Toluene | 18,158 | 17,696 | 462 | — | 654 | |
| Methanol | 17,955 | 17,955 | — | — | 42,683 | |
| Styrene | 17,279 | 16,760 | 519 | — | 248 | ♦ Carcinogen |
| Benzene | 16,178 | 15,412 | 766 | — | 1,660 | ♦ Carcinogen |
| Formic acid | 3,346 | 3,346 | — | — | — | |
| Diethyl sulfate | 3,216 | 3,216 | — | — | — | ♦ Carcinogen |
| n-Butyl alcohol | 2,886 | 2,444 | 442 | — | — | |
| Ethylene glycol | 2,293 | 2,293 | — | — | — | |
| Cyclohexane | 2,242 | 2,242 | — | — | 159 | |
| Vinyl acetate | 1,288 | 1,288 | — | — | — | ♦ Carcinogen |
| Maleic anhydride | 784 | 784 | — | — | 1,910 | |
| Acrylic acid | 389 | 389 | — | — | — | |
| Copper | 31 | — | 31 | — | 4,185 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Acetaldehyde | 90,665 | 20,701 | 69,964 | — | — | ♦ Carcinogen |
| Ammonia | 70,233 | 69,169 | 1,064 | — | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 41,812 | — | 41,812 | — | — | |
| Methanol | 18,590 | 18,590 | — | — | 30,496 | |
| Toluene | 17,956 | 17,401 | 555 | — | 93 | |
| Styrene | 17,044 | 16,855 | 189 | — | 920 | ♦ Carcinogen |
| Benzene | 15,947 | 15,390 | 557 | — | 928 | ♦ Carcinogen |
| Diethyl sulfate | 4,610 | 4,610 | — | — | — | ♦ Carcinogen |
| Formic acid | 4,399 | 4,399 | — | — | — | |
| n-Butyl alcohol | 2,516 | 2,516 | — | — | 20,513 | |
| Ethylene glycol | 2,293 | 2,293 | — | — | — | |
| Vinyl acetate | 1,341 | 1,322 | 19 | — | — | ♦ Carcinogen |
| Maleic anhydride | 749 | 749 | — | — | 9,992 | |
| Acrylic acid | 335 | 335 | — | — | — | |
| Copper | 28 | — | 28 | — | 3,247 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 68,928 | 67,927 | 1,001 | — | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 57,320 | — | 57,320 | — | — | |
| Methanol | 22,145 | 18,170 | 3,975 | — | 60,079 | |
| Acetaldehyde | 19,769 | 19,570 | 199 | — | — | ♦ Carcinogen |
| Toluene | 17,420 | 17,380 | 40 | — | 1,514 | |
| Styrene | 17,337 | 17,320 | 17 | — | 699 | ♦ Carcinogen |
| Benzene | 15,454 | 15,375 | 79 | — | 2,635 | ♦ Carcinogen |
| n-Butyl alcohol | 6,520 | 2,545 | 3,975 | — | 21,001 | |
| Formic acid | 6,294 | 6,294 | — | — | 91 | |
| Diethyl sulfate | 4,474 | 4,474 | — | — | — | ♦ Carcinogen |
| Ethylene glycol | 2,293 | 2,293 | — | — | 104 | |
| Vinyl acetate | 1,249 | 1,228 | 21 | — | 36 | ♦ Carcinogen |
| Maleic anhydride | 749 | 749 | — | — | 1,531 | |
| Acrylic acid | 338 | 338 | — | — | 1,165 | |
| Copper | 36 | — | 36 | — | 3,326 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Copper | — | — | — | — | 7,084 | |
| Ammonia | 75,765 | 74,773 | 992 | — | 1,143 | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 57,326 | — | 57,326 | — | — | |
| Methanol | 20,641 | 20,641 | — | — | 29,100 | |
| Acetaldehyde | 14,498 | 13,211 | 1,287 | — | — | ♦ Carcinogen |
| Benzene | 10,103 | 10,103 | — | — | 3,573 | ♦ Carcinogen |
| Formic acid | 4,989 | 4,989 | — | — | 334 | |
| Diethyl sulfate | 4,484 | 4,484 | — | — | — | ♦ Carcinogen |
| Maleic anhydride | 2,700 | 2,700 | — | — | 464 | |
| n-Butyl alcohol | 2,527 | 2,527 | — | — | 4,427 | |
| Ethylene glycol | 2,293 | 2,293 | — | — | — | |
| Styrene | 828 | 828 | — | — | 1,030 | ♦ Carcinogen |
| Toluene | 424 | 424 | — | — | 534 | |
| Acrylic acid | 338 | 338 | — | — | 11,965 | |
| Vinyl acetate | 167 | 167 | — | — | — | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methanol | 20,485 | 20,485 | — | — | 61,314 | |
| Formic acid | 3,596 | 3,596 | — | — | 1,487 | |
| Maleic anhydride | 2,693 | 2,693 | — | — | 8,437 | |
| Styrene | 773 | 773 | — | — | 320 | ♦ Carcinogen |
| Acrylic acid | 349 | 349 | — | — | 818 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Copper | — | — | — | — | 6,238 | |
| Ammonia | 171,181 | 169,845 | 1,336 | — | 253 | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 35,913 | — | 35,913 | — | — | |
| Methanol | 21,765 | 21,765 | — | — | 82,707 | |
| Acetaldehyde | 12,211 | 12,058 | 153 | — | 9 | ♦ Carcinogen |
| Benzene | 10,814 | 10,814 | — | — | 1,288 | ♦ Carcinogen |
| Diethyl sulfate | 4,496 | 4,496 | — | — | — | ♦ Carcinogen |
| Formic acid | 4,122 | 4,122 | — | — | — | |
| Maleic anhydride | 2,703 | 2,703 | — | — | 9,742 | |
| n-Butyl alcohol | 2,592 | 2,592 | — | — | 16,765 | |
| Ethylene glycol | 2,293 | 2,293 | — | — | — | |
| Styrene | 1,126 | 1,126 | — | — | 537 | ♦ Carcinogen |
| Toluene | 424 | 424 | — | — | 162 | |
| Acrylic acid | 337 | 337 | — | — | — | |
| Vinyl acetate | 173 | 173 | — | — | — | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyclohexane | — | — | — | — | 20,600 | |
| Copper | — | — | — | — | 6,377 | |
| Ammonia | 140,357 | 139,220 | 1,137 | — | 1,829 | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 45,669 | — | 45,669 | — | — | |
| Methanol | 21,757 | 21,757 | — | — | 165,217 | |
| Acetaldehyde | 13,679 | 13,507 | 172 | — | — | ♦ Carcinogen |
| Benzene | 10,965 | 10,965 | — | — | 2,136 | ♦ Carcinogen |
| Diethyl sulfate | 4,497 | 4,497 | — | — | — | ♦ Carcinogen |
| Formic acid | 4,275 | 4,275 | — | — | 140 | |
| Maleic anhydride | 2,756 | 2,756 | — | — | 543 | |
| n-Butyl alcohol | 2,592 | 2,592 | — | — | 22,795 | |
| Ethylene glycol | 2,282 | 2,282 | — | — | 500 | |
| Styrene | 1,074 | 1,074 | — | — | 499 | ♦ Carcinogen |
| Toluene | 424 | 424 | — | — | 109 | |
| Acrylic acid | 335 | 335 | — | — | 465 | |
| Vinyl acetate | 75 | 75 | — | — | 822 | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Copper | — | — | — | — | 9,104 | |
| Ammonia | 190,337 | 186,524 | 3,813 | — | 860 | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 40,565 | — | 40,565 | — | — | |
| Methanol | 21,732 | 21,732 | — | — | 161,644 | |
| Acetaldehyde | 11,181 | 11,180 | 1 | — | 160 | ♦ Carcinogen |
| Benzene | 11,070 | 11,070 | — | — | 11,548 | ♦ Carcinogen |
| Diethyl sulfate | 4,505 | 4,505 | — | — | — | ♦ Carcinogen |
| Formic acid | 3,286 | 3,286 | — | — | — | |
| Maleic anhydride | 2,753 | 2,753 | — | — | 2,065 | |
| n-Butyl alcohol | 2,533 | 2,533 | — | — | 13,359 | |
| Ethylene glycol | 2,282 | 2,282 | — | — | — | |
| Cyclohexane | 2,271 | 2,271 | — | — | 60 | |
| Styrene | 1,110 | 1,110 | — | — | 65 | ♦ Carcinogen |
| Toluene | 419 | 419 | — | — | 55,177 | |
| Acrylic acid | 339 | 339 | — | — | — | |
| Vinyl acetate | 43 | 43 | — | — | — | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Copper | — | — | — | — | 6,404 | |
| Ammonia | 199,883 | 198,850 | 1,033 | — | 798 | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 63,031 | — | 63,031 | — | — | |
| Methanol | 21,761 | 21,761 | — | — | 204,170 | |
| Acetaldehyde | 13,618 | 13,617 | 1 | — | — | ♦ Carcinogen |
| Benzene | 11,325 | 11,325 | — | — | 73,664 | ♦ Carcinogen |
| Diethyl sulfate | 4,508 | 4,508 | — | — | — | ♦ Carcinogen |
| Formic acid | 2,951 | 2,951 | — | — | — | |
| Maleic anhydride | 2,753 | 2,753 | — | — | 2,774 | |
| n-Butyl alcohol | 2,538 | 2,538 | — | — | 21,992 | |
| Cyclohexane | 2,286 | 2,286 | — | — | 83 | |
| Ethylene glycol | 2,282 | 2,282 | — | — | — | |
| Styrene | 974 | 974 | — | — | 161 | ♦ Carcinogen |
| Toluene | 420 | 420 | — | — | 731 | |
| Acrylic acid | 346 | 346 | — | — | — | |
| Vinyl acetate | 59 | 59 | — | — | — | ♦ Carcinogen |
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 |
|---|---|---|---|---|
| Acetaldehyde | — | — | — | 115,736 |
| Maleic anhydride | — | — | 51 | 42 |
| Ammonia | — | 3,813,005 | — | 518,283 |
| n-Butyl alcohol | — | — | — | 40,332 |
| Formic acid | — | — | — | 1,415 |
| Methanol | — | — | 101 | 299,672 |
| Toluene | — | — | 301 | 2,927 |
| Acrylic acid | — | — | — | 250 |
| Vinyl acetate | — | — | — | 1,620 |
| Styrene | — | — | 50 | 24,997 |
| Cyclohexane | — | 19,500 | 62 | — |
| Benzene | — | 230 | 25 | 251,823 |
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 |
|---|---|---|---|---|---|
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
Acrylic acid | — | — | — | 250 |
|
CALGON CARBON CORP
PITTSBURGH, PA
|
Benzene | — | 230 | — | — |
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
Benzene | — | — | — | 2,063 |
|
SAFETY-KLEEN SYSTEMS, INC.
SMITHFIELD, KY
|
Benzene | — | — | 25 | — |
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
Maleic anhydride | — | — | — | 42 |
|
SAFETY-KLEEN SYSTEMS, INC.
SMITHFIELD, KY
|
Maleic anhydride | — | — | 51 | — |
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
Vinyl acetate | — | — | — | 1,620 |
|
WASTE PATH SANITARY LANDFILL LLC
CALVERT CITY, KY
|
Copper | 4,109 | — | — | — |
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
Methanol | — | — | — | 6 |
|
SAFETY-KLEEN SYSTEMS, INC.
SMITHFIELD, KY
|
Methanol | — | — | 101 | — |
|
VEOLIA TECHNICAL SOLUTIONS LLC
SAUGET, IL
|
Methanol | — | — | — | 8,340 |
|
SAFETY-KLEEN SYSTEMS, INC.
SMITHFIELD, KY
|
Cyclohexane | — | — | 62 | — |
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
n-Butyl alcohol | — | — | — | 746 |
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
Styrene | — | — | — | 4,941 |
|
SAFETY-KLEEN SYSTEMS, INC.
SMITHFIELD, KY
|
Styrene | — | — | 50 | — |
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
Toluene | — | — | — | 107 |
|
SAFETY-KLEEN SYSTEMS, INC.
SMITHFIELD, KY
|
Toluene | — | — | 301 | — |
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 | Sep 24, 2019 | Sep 24, 2019 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Jun 19, 2018 | Jun 30, 2018 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Jun 19, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jul 14, 2017 | — | Open |
| cwa | Effluent Violations - Failed Toxicity Test | Feb 27, 2017 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 8, 2014 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 21, 2013 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Sep 24, 2012 | — | Open |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Aug 9, 2012 | Aug 9, 2012 | Resolved |
| rcra | Standards for Used Oil: Generators | Aug 9, 2012 | Aug 9, 2012 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Aug 9, 2012 | Aug 9, 2012 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Aug 9, 2012 | Aug 9, 2012 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2011 | Sep 30, 2011 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jul 23, 2010 | Oct 12, 2010 | Resolved |
| rcra | Standards for Used Oil: Generators | Jul 23, 2010 | Oct 12, 2010 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Mar 9, 2009 | Mar 9, 2009 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Preparedness and Prevention | Feb 6, 2007 | Feb 6, 2007 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Feb 6, 2007 | Feb 6, 2007 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems | May 11, 2006 | May 11, 2006 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 11, 2006 | May 11, 2006 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Dec 20, 2004 | Dec 20, 2004 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jan 8, 2004 | Jan 8, 2004 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Aug 2, 2001 | Aug 2, 2001 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | Aug 2, 2001 | Aug 2, 2001 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Aug 22, 2000 | Aug 28, 2000 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Nov 3, 1995 | Nov 18, 1995 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jul 20, 1993 | Jul 20, 1993 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 27, 1993 | Jul 12, 1993 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Apr 15, 1993 | May 5, 1993 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Apr 13, 1993 | May 5, 1993 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Apr 13, 1993 | May 5, 1993 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | Apr 13, 1993 | May 5, 1993 | Resolved |
| rcra | Standards for the Management of Specific HW and Specific Types of HW Management Facilities: Hazardous Waste Burned in Boilers and Industrial Furnaces | Jun 16, 1992 | Feb 8, 1995 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Dec 10, 1991 | Sep 29, 1992 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Dec 10, 1991 | Dec 10, 1991 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Dec 10, 1991 | Dec 10, 1991 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Dec 10, 1991 | Jan 30, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Aug 15, 1990 | Aug 15, 1990 | 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 |
|---|---|---|---|---|---|---|
| Oil & Grease | DMR, Limited - Numeric Violation | 17.90 mg/L | 15.00 | +19% | Oct 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 230.18 kg/d | 206.57 | +11% | May 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 207.93 kg/d | 206.57 | +1% | Mar 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 250.61 kg/d | 206.57 | +21% | Aug 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 225.18 kg/d | 206.57 | +9% | Jul 2023 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 17.60 mg/L | 15.00 | +17% | Jan 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 349.13 kg/d | 432.21 | +99,999% | Dec 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 249.70 kg/d | 206.57 | +21% | May 2022 | Open |
| Methylene chloride | DMR, Limited - Numeric Violation | 0.27 kg/d | 0.20 | +31% | Dec 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 296.46 kg/d | 291.92 | +2% | Sep 2020 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.41 mg/L | 0.20 | +105% | Jul 2020 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 101.00 deg F | 100.00 | +1% | Jun 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 1,328.40 kg/d | 614.26 | +116% | Mar 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 385.45 kg/d | 230.18 | +67% | Mar 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,136.36 kg/d | 936.60 | +21% | Dec 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 347.76 kg/d | 291.92 | +19% | Dec 2016 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 96.00 deg F | 95.00 | +1% | Sep 2016 | Open |
| Toxicity, final conc toxicity units | DMR, Limited - Numeric Violation | 7.27 toxic | 3.60 | +102% | Sep 2016 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 1,055.55 kg/d | 614.26 | +72% | Aug 2016 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 101.00 deg F | 100.00 | +1% | Aug 2016 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 98.00 deg F | 95.00 | +3% | Aug 2016 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 242.89 kg/d | 230.18 | +6% | Aug 2016 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 98.00 deg F | 95.00 | +3% | Jul 2016 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 104.00 deg F | 100.00 | +4% | Jul 2016 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 101.00 deg F | 100.00 | +1% | Sep 2015 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 102.00 deg F | 100.00 | +2% | Jul 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.