EmissionsLookup
Non-Compliance TRI Reporter Clean Air Act Clean Water Act RCRA

ALLNEX USA INC., WALLINGFORD CT PLANT

Quick Summary

  • Released 59,664 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
528 SOUTH CHERRY STREET
WALLINGFORD, CT 06492
View on map ↗
County
NEW HAVEN County
Industry
Manufacturing
NAICS (North American Industry Classification)
325211
Inspections
5 · last Dec 8, 2025
Total Penalties
$0 · last May 7, 2014
Registry ID
110050813978

How This Compares

#2 of 204 TRI reporters in CT
#1,508 of 16,877 TRI reporters in Manufacturing

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.

0
Air (CAA)
Qtrs Non-Compliant
8
Water (CWA)
Qtrs Non-Compliant
0
Hazardous Waste (RCRA)
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.

Emissions Trend (2015–2024) +50% overall
Year Total Releases (lbs) vs Prior Year
2015 55,826
2016 67,110 +20%
2017 59,664 -11%
2018 65,667 +10%
2019 3,510 -95%
2020 48,836 +1291%
2021 77,243 +58%
2022 86,097 +11%
2023 105,708 +23%
2024 83,824 -21%

2024

Chemical Total (lbs) Air Water Land Off-Site
Acrylamide ♦ Carcinogen
Phthalic anhydride
n-Butyl alcohol 69,138 69,058 80 35,123
Methanol 5,875 5,377 498 37,566
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 2,750 2,750
Xylene (mixed isomers) 1,737 1,609 128 18,971
Formaldehyde 1,652 1,265 387 1,126 ♦ Carcinogen
Ammonia 1,252 1,198 54 566
Ethylbenzene 504 504 3,373 ♦ Carcinogen
Sodium nitrite 284 284 129,357
Toluene 284 284 10,641
Nitric acid 142 142
Certain glycol ethers 54 54 6,837
Cresol (mixed isomers) 41 41 539
N-Methylolacrylamide 38 38
Ethylene glycol 29 29
sec-Butyl alcohol 21 21 6,834
Diisocyanates 16 16 902
Formic acid 7 7 902

2023

Chemical Total (lbs) Air Water Land Off-Site
Phthalic anhydride
Acrylamide 116 ♦ Carcinogen
n-Butyl alcohol 94,479 94,479 62,539
Methanol 6,027 5,515 512 40,077
Formaldehyde 1,571 1,165 406 8,913 ♦ Carcinogen
Xylene (mixed isomers) 1,285 1,285 14,722
Ammonia 1,221 1,095 126 289
Ethylbenzene 414 414 2,074 ♦ Carcinogen
Toluene 344 344 4,831
Nitric acid 142 142
Certain glycol ethers 54 54 7,659
Ethylene glycol 50 50
Cresol (mixed isomers) 41 41 10,488
N-Methylolacrylamide 38 38
sec-Butyl alcohol 19 19 7,659
Diisocyanates 16 16
Formic acid 7 7 616

2022

Chemical Total (lbs) Air Water Land Off-Site
N-Methylolacrylamide
Phthalic anhydride
Acrylamide 12 ♦ Carcinogen
n-Butyl alcohol 68,091 68,091 88,685
Methanol 6,230 5,964 266 43,029
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 3,782 3,782
Formaldehyde 3,523 1,299 2,224 4,666 ♦ Carcinogen
Ammonia 1,490 1,291 199 450
Xylene (mixed isomers) 1,297 1,297 12,391
Sodium nitrite 713 713 194,565
Toluene 429 429 6,268
Ethylbenzene 230 230 2,383 ♦ Carcinogen
Nitric acid 205 205
Cresol (mixed isomers) 41 41 219
Ethylene glycol 29 29
Diisocyanates 16 16 2,092
Certain glycol ethers 14 14 269
Formic acid 7 7 485

2021

Chemical Total (lbs) Air Water Land Off-Site
Phthalic anhydride
N-Methylolacrylamide
n-Butyl alcohol 51,774 51,774 116,898
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 11,588 11,588
Methanol 7,951 5,715 2,236 49,392
Formaldehyde 2,366 1,297 1,069 11,570 ♦ Carcinogen
Ammonia 1,541 1,402 139 639
Xylene (mixed isomers) 1,197 1,197 16,436
Sodium nitrite 337 337 167,948
Nitric acid 201 201
Ethylbenzene 186 186 2,867 ♦ Carcinogen
Ethylene glycol 40 40
Cresol (mixed isomers) 37 37 346
Diisocyanates 15 15 1,364
Formic acid 7 7 383
Toluene 2 2 7,760
Acrylamide 1 1 186 ♦ Carcinogen

2020

Chemical Total (lbs) Air Water Land Off-Site
N-Methylolacrylamide
Cresol (mixed isomers) 232
Phthalic anhydride
n-Butyl alcohol 27,729 27,663 66 73,112
Methanol 7,977 6,499 1,478 25,801
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 6,430 6,430 2
Ammonia 2,238 2,154 84 689
Xylene (mixed isomers) 1,965 1,965 9,619
Formaldehyde 1,818 1,419 399 5,296 ♦ Carcinogen
Sodium nitrite 371 34 337 118,856
Ethylbenzene 203 203 1,821 ♦ Carcinogen
Ethylene glycol 37 37
Nitric acid 34 34
Diisocyanates 19 19 1,584
Certain glycol ethers 6 6
Formic acid 6 6 446
Acrylamide 3 3 0 ♦ Carcinogen

2019

Chemical Total (lbs) Air Water Land Off-Site
Xylene (mixed isomers) 1,964 1,964 12,754
Ammonia 1,535 1,391 144 27
Diisocyanates 11 11 660

2018

Chemical Total (lbs) Air Water Land Off-Site
Phthalic anhydride
N-Methylolacrylamide
n-Butyl alcohol 29,055 29,055 358,461
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 18,514 18,514 5
Methanol 9,881 7,154 2,727 54,521
Formaldehyde 2,252 1,609 643 46,216 ♦ Carcinogen
Xylene (mixed isomers) 2,180 2,180 19,384
Ammonia 1,464 1,392 72 542
Toluene 994 265 729 72,645
Sodium nitrite 715 715 84,935
Ethylbenzene 244 244 3,826 ♦ Carcinogen
Cresol (mixed isomers) 235 235 197
Ethylene glycol 50 50
Certain glycol ethers 31 31
Nitric acid 25 25
Diisocyanates 15 15 1,233
Formic acid 6 6 595
Acrylamide 6 2 4 38 ♦ Carcinogen

2017

Chemical Total (lbs) Air Water Land Off-Site
Phthalic anhydride
n-Butyl alcohol 21,066 21,066 359,251
Methanol 15,557 12,504 3,053 23,171
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 14,830 14,830 12,301
Formaldehyde 4,352 3,941 411 11,218 ♦ Carcinogen
Ammonia 1,508 1,406 102 710
Xylene (mixed isomers) 1,280 1,280 36,681
Sodium nitrite 406 406
Toluene 293 293 6,892
Ethylbenzene 255 255 2,374 ♦ Carcinogen
Nitric acid 32 32
Diisocyanates 23 23 2,024
Ethylene glycol 23 23
Cresol (mixed isomers) 17 17 5
Certain glycol ethers 10 10
Formic acid 6 6 149
Acrylamide 6 2 4 ♦ Carcinogen

2016

Chemical Total (lbs) Air Water Land Off-Site
Phthalic anhydride
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 24,636 24,636 25,756
n-Butyl alcohol 20,014 20,014 429,017
Methanol 13,020 9,568 3,452 73,786
Formaldehyde 3,999 3,361 638 39,482 ♦ Carcinogen
Sodium nitrite 1,866 1,866
Ammonia 1,580 1,444 136 95
Xylene (mixed isomers) 1,319 1,319 30,222
Ethylbenzene 354 354 6,799 ♦ Carcinogen
Toluene 200 200 99
Nitric acid 43 43
Ethylene glycol 20 20
Diisocyanates 19 19 5,258
Acrylamide 17 2 15 892 ♦ Carcinogen
Cresol (mixed isomers) 17 17 175
Formic acid 6 6

2015

Chemical Total (lbs) Air Water Land Off-Site
Phthalic anhydride
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 17,027 17,027 2
n-Butyl alcohol 16,821 16,821 51,080
Methanol 13,134 8,308 4,826 41,467
Nitric acid 2,085 2,085 109
Formaldehyde 2,063 1,946 117 12,931 ♦ Carcinogen
Xylene (mixed isomers) 1,917 1,917 52,541
Ammonia 1,456 1,345 111 506
Sodium nitrite 666 666 0
Ethylbenzene 445 445 12,568 ♦ Carcinogen
Toluene 157 157 5,724
Ethylene glycol 27 27
Diisocyanates 21 21 30
Formic acid 6 6 264
Acrylamide 1 1 23 ♦ 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
Formaldehyde 25 230,433
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 868
Acrylamide 12
Toluene 13,098
n-Butyl alcohol 12,529 959,978
Formic acid 908
sec-Butyl alcohol 6,834 382
Nitric acid 622
Methanol 12,529 507,237
Diisocyanates 902
Cresol (mixed isomers) 5 268
Ethylene glycol 10
Xylene (mixed isomers) 2,506 19,633
Ethylbenzene 501 3,989
Ammonia 6,468
Sodium nitrite 129,413
Certain glycol ethers 6,834 89

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
NORLITE LLC
COHOES, NY
Certain glycol ethers 6,834
INDUSTRIAL CONTAINER SERVICES-RI LLC
SMITHFIELD, RI
Certain glycol ethers 3
INDUSTRIAL CONTAINER SERVICES-RI LLC
SMITHFIELD, RI
Diisocyanates 902
INDUSTRIAL CONTAINER SERVICES-RI LLC
SMITHFIELD, RI
Formic acid 902
INDUSTRIAL CONTAINER SERVICES-RI LLC
SMITHFIELD, RI
Methanol 3,947
TUNNELL HILL RECLAMATION
NEW LEXINGTON, OH
Methanol 160
TRADEBE TREATMENT AND RECYCLING OF NORTHEAST LLC
MERIDEN, CT
Methanol 6,849
TRADEBE TREATMENT AND RECYCLING OF WI LLC
MILWAUKEE, WI
Methanol 90
HERITAGE THERMAL OF TEXAS
ORANGE, TX
Methanol 6,440
HERITAGE THERMAL SERVICES INC
EAST LIVERPOOL, OH
Methanol 7,425
UNIVAR SOLUTIONS USA INC
BINGHAMTON, NY
Methanol 126
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
Methanol 12,529
TRADEBE TREATMENT AND RECYCLING OF WI LLC
MILWAUKEE, WI
Formaldehyde 90
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
Formaldehyde 25
AMERICAN LANDFILL INC
WAYNESBURG, OH
Formaldehyde 564
INDUSTRIAL CONTAINER SERVICES-RI LLC
SMITHFIELD, RI
Formaldehyde
UNIVAR SOLUTIONS USA INC
BINGHAMTON, NY
Formaldehyde 126
TUNNELL HILL RECLAMATION
NEW LEXINGTON, OH
Formaldehyde 321
NORLITE LLC
COHOES, NY
sec-Butyl alcohol 6,834
TUNNELL HILL RECLAMATION
NEW LEXINGTON, OH
Toluene 22
GFL ENVIRONMENTAL SERVICES USA INC
FREEDOM, PA
Toluene 5,881
INDUSTRIAL CONTAINER SERVICES-RI LLC
SMITHFIELD, RI
Toluene 10
TRADEBE TREATMENT AND RECYCLING OF NORTHEAST LLC
MERIDEN, CT
Toluene 4,728
INDUSTRIAL CONTAINER SERVICES-RI LLC
SMITHFIELD, RI
Xylene (mixed isomers) 1
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
Xylene (mixed isomers) 2,506
TRADEBE TREATMENT AND RECYCLING OF NORTHEAST LLC
MERIDEN, CT
Xylene (mixed isomers) 6,304
GFL ENVIRONMENTAL SERVICES USA INC
FREEDOM, PA
Xylene (mixed isomers) 7,481
TRADEBE TREATMENT AND RECYCLING OF WI LLC
MILWAUKEE, WI
Xylene (mixed isomers) 72
UNIVAR SOLUTIONS USA INC
BINGHAMTON, NY
Xylene (mixed isomers) 101
AMERICAN LANDFILL INC
WAYNESBURG, OH
Xylene (mixed isomers) 2,506
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
Sodium nitrite 51,367
HERITAGE THERMAL OF TEXAS
ORANGE, TX
Sodium nitrite 36,225
HERITAGE THERMAL SERVICES INC
EAST LIVERPOOL, OH
Sodium nitrite 41,765
UNIVAR SOLUTIONS USA INC
BINGHAMTON, NY
n-Butyl alcohol 126
TRADEBE TREATMENT AND RECYCLING OF WI LLC
MILWAUKEE, WI
n-Butyl alcohol 90
HERITAGE THERMAL OF TEXAS
ORANGE, TX
n-Butyl alcohol 4,025
HERITAGE THERMAL SERVICES INC
EAST LIVERPOOL, OH
n-Butyl alcohol 4,641
TRADEBE TREATMENT AND RECYCLING OF NORTHEAST LLC
MERIDEN, CT
n-Butyl alcohol 13,698
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
n-Butyl alcohol 12,529
INDUSTRIAL CONTAINER SERVICES-RI LLC
SMITHFIELD, RI
n-Butyl alcohol 14
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
Ammonia 33
INDUSTRIAL CONTAINER SERVICES-RI LLC
SMITHFIELD, RI
Ammonia 489
TUNNELL HILL RECLAMATION
NEW LEXINGTON, OH
Ammonia 44
TUNNELL HILL RECLAMATION
NEW LEXINGTON, OH
Cresol (mixed isomers) 300
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
Cresol (mixed isomers) 5
INDUSTRIAL CONTAINER SERVICES-RI LLC
SMITHFIELD, RI
Cresol (mixed isomers) 234
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
Ethylbenzene 501
INDUSTRIAL CONTAINER SERVICES-RI LLC
SMITHFIELD, RI
Ethylbenzene
TRADEBE TREATMENT AND RECYCLING OF NORTHEAST LLC
MERIDEN, CT
Ethylbenzene 1,261
UNIVAR SOLUTIONS USA INC
BINGHAMTON, NY
Ethylbenzene 25
GFL ENVIRONMENTAL SERVICES USA INC
FREEDOM, PA
Ethylbenzene 1,568
TRADEBE TREATMENT AND RECYCLING OF WI LLC
MILWAUKEE, WI
Ethylbenzene 18

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
cwa Monitoring Violations - Improper Analysis or Lab Error Dec 8, 2025 Open
cwa Monitoring Violations - Failure to Monitor for Toxicity Requirements Dec 8, 2025 Open
cwa Management Practice Violations - Best Management Practice Deficiencies Dec 8, 2025 Open
cwa Reporting Violations - Improper/ Incorrect Reporting Dec 8, 2025 Open
cwa Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) Dec 8, 2025 Open
cwa Reporting Violations - Failure to Notify Dec 8, 2025 Open
cwa Effluent Violations - Failed Toxicity Test Dec 8, 2025 Open
cwa Management Practice Violations - Failure to Maintain Records Dec 8, 2025 Open
cwa Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements Dec 8, 2025 Open
cwa Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) Apr 23, 2025 Open
cwa Monitoring Violations - Invalid/Unrepresentative Sample Apr 23, 2025 Open
cwa Permit Violations - Violation Specified in Comment Apr 23, 2025 Open
cwa Permit Violations - Discharge Without a Valid Permit Apr 9, 2024 Open
cwa Management Practice Violations - Improper Operation and Maintenance Apr 9, 2024 Open
cwa Permit Violations - Violation Specified in Comment Apr 9, 2024 Open
cwa Effluent Violations - Numeric effluent violation Apr 9, 2024 Open
cwa Permit Violations - Unapproved Operation Mar 21, 2024 Open
cwa Reporting Violations - Failure to Notify Mar 21, 2024 Open
cwa Effluent Violations - Unapproved Bypass Mar 21, 2024 Open
caa FRV Aug 30, 2022 Open
cwa Effluent Violations - Numeric effluent violation Nov 10, 2020 Open
caa FRV Sep 24, 2019 Open
caa FRV Sep 27, 2018 Open
caa HPV Nov 22, 2016 Dec 14, 2017 Resolved
cwa Permit Violations - Discharge Without a Valid Permit Apr 16, 2013 Open
cwa Effluent Violations - Numeric effluent violation Mar 13, 2013 Open
cwa Permit Violations - Violation Specified in Comment Oct 3, 2012 Open
cwa Permit Violations - Discharge Without a Valid Permit Oct 3, 2012 Open
rcra Standards Applicable to Generators of HW: General Sep 26, 2011 Jul 12, 2012 Resolved
rcra State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements Sep 26, 2011 Jul 12, 2012 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Financial Requirements Jul 31, 2006 Nov 22, 2006 Resolved
rcra ID and Listing of HW: General Aug 28, 2002 Dec 21, 2004 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators May 31, 2002 Nov 1, 2002 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators May 28, 1998 Jul 27, 1999 Resolved
rcra Standards for Owners and Operators of HW TSDs: Use and Management of Containers Oct 21, 1994 May 28, 1998 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Oct 21, 1994 Jan 30, 1996 Resolved
rcra Standards Applicable to Generators of HW: General May 25, 1993 Oct 21, 1994 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators May 25, 1993 Oct 21, 1994 Resolved
rcra Standards for Owners and Operators of HW TSDs: Closure and Post-Closure Apr 28, 1993 Jun 1, 1994 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Manifest System, Recordkeeping and Reporting Apr 28, 1993 Jun 1, 1994 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards Apr 28, 1993 Jun 1, 1994 Resolved
rcra Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures Apr 28, 1993 Jun 1, 1994 Resolved
rcra Standards Applicable to Generators of HW: General Sep 1, 1992 May 25, 1993 Resolved
rcra Standards for Owners and Operators of HW TSDs: Closure and Post-Closure Sep 1, 1992 May 25, 1993 Resolved
rcra Standards for Owners and Operators of HW TSDs: Use and Management of Containers Sep 1, 1992 Oct 21, 1994 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Manifest System, Recordkeeping and Reporting Sep 1, 1992 Oct 21, 1994 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Aug 15, 1991 Sep 1, 1992 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Jul 6, 1990 Sep 1, 1992 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Ground-Water Monitoring Sep 8, 1989 Sep 1, 1992 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Aug 30, 1988 Sep 1, 1992 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
Formaldehyde DMR, Limited - Numeric Violation 0.77 mg/L 0.70 +9% Feb 2025 Open
LC50 Static 48Hr Acute Pimephales promelas DMR, Limited - Numeric Violation 97.25 % 100.00 +3% Feb 2025 Open
Acrylonitrile DMR, Limited - Numeric Violation 0.00 mg/L 0.00 +4% Jan 2025 Open
Methanol, total DMR, Limited - Numeric Violation 33.40 mg/L 3.85 +768% Jan 2025 Open
Methanol, total DMR, Limited - Numeric Violation 15.70 mg/L 1.57 +900% Jan 2025 Open
Acrylonitrile DMR, Limited - Numeric Violation 0.00 mg/L 0.00 +44% Jan 2025 Open
Acrylonitrile DMR, Limited - Numeric Violation 0.03 mg/L 0.00 +8,789% Mar 2024 Open
Acrylonitrile DMR, Limited - Numeric Violation 0.08 kg/d 0.00 +3,355% Mar 2024 Resolved
Acrylonitrile DMR, Limited - Numeric Violation 0.15 kg/d 0.00 +4,619% Mar 2024 Open
Acrylonitrile DMR, Limited - Numeric Violation 0.02 mg/L 0.00 +6,300% Mar 2024 Resolved
Acrylonitrile DMR, Limited - Numeric Violation 0.00 kg/d 0.00 +3% Jan 2024 Open
Acrylonitrile DMR, Limited - Numeric Violation 0.00 mg/L 0.00 +39% Jan 2024 Open
Acrylonitrile DMR, Limited - Numeric Violation 0.00 kg/d 0.00 +50% Jan 2024 Resolved
Acrylonitrile DMR, Limited - Numeric Violation 0.00 mg/L 0.00 +100% Jan 2024 Resolved
Acrylonitrile DMR, Limited - Numeric Violation 0.01 kg/d 0.00 +145% Dec 2023 Resolved
Acrylonitrile DMR, Limited - Numeric Violation 0.00 mg/L 0.00 +233% Dec 2023 Open
Acrylonitrile DMR, Limited - Numeric Violation 0.01 kg/d 0.00 +69% Dec 2023 Open
Acrylonitrile DMR, Limited - Numeric Violation 0.00 mg/L 0.00 +380% Dec 2023 Resolved
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 14.00 mg/L 9.66 +45% Mar 2023 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 54.60 kg/d 42.89 +27% Mar 2023 Open
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia DMR, Limited - Numeric Violation 12.50 % 26.00 +52% Feb 2023 Open
Aluminum, total [as Al] DMR, Limited - Numeric Violation 0.28 mg/L 0.27 +3% Feb 2022 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 2.24 mg/L 0.31 +623% Oct 2021 Resolved
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.19 mg/L 0.12 +58% Oct 2021 Resolved
Phosphorus, total [as P] DMR, Limited - Numeric Violation 1.34 kg/d 0.68 +99% Oct 2021 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.32 mg/L 0.31 +3% Sep 2021 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.18 mg/L 0.12 +50% Jul 2021 Resolved
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.72 mg/L 0.31 +132% Jul 2021 Resolved
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.69 kg/d 0.68 +1% Jul 2021 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.27 mg/L 0.12 +125% Jul 2020 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 1.82 mg/L 0.31 +487% Jul 2020 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.31 mg/L 0.12 +158% Jun 2020 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 1.80 mg/L 0.31 +481% Jun 2020 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 2.07 kg/d 0.68 +205% Jun 2020 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.43 mg/L 0.31 +39% Sep 2019 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.13 mg/L 0.12 +8% Aug 2019 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.16 mg/L 0.12 +33% Jul 2019 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.50 mg/L 0.31 +61% Jul 2019 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.17 mg/L 0.12 +42% May 2019 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.74 kg/d 0.68 +9% Oct 2018 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.74 mg/L 0.31 +139% Oct 2018 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.16 mg/L 0.12 +33% Oct 2018 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.56 mg/L 0.31 +81% Sep 2018 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.37 mg/L 0.31 +19% Jul 2018 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.43 mg/L 0.31 +39% Jun 2018 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.15 mg/L 0.12 +25% Jun 2018 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.20 mg/L 0.12 +67% May 2018 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.57 mg/L 0.31 +84% May 2018 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.18 mg/L 0.12 +50% Oct 2017 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 0.91 kg/d 0.68 +35% Sep 2017 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.

State Administrative Order of Consent
Clean Water Act · Case CT-COWRIN22001 · Mar 31, 2022
Administrative - Formal
Clean Air Act · Case 3601142633 · Aug 4, 2017
$0
Notice of Violation
Clean Air Act · Case 3600861442 · Nov 22, 2016
Civil Judicial Action
Clean Water Act · Case CT-HHD-CV-13-6039473 · May 7, 2014
$52,000
Administrative - Formal
· Case 01-2009-1003 · Sep 29, 2009
$155,000
Administrative - Formal
· Case 01-2008-1104 · Sep 12, 2008
Administrative - Formal
· Case 01-2008-1005 · Dec 5, 2007
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-CTD001173467-001 · Oct 19, 2006
Administrative - Formal
· Case 01-2003-9011 · Feb 13, 2003
State CWA Non Penalty AO
Clean Water Act · Case CT-N00000550 · Jun 25, 2001
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-CTD001173467-000 · Jan 30, 1996
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-CTD001173467-032 · Nov 1, 1989
FINAL 3008(A) COMPLIANCE ORDER
RCRA (Hazardous Waste) · Case RCRA-CTD001173467-026 · Nov 17, 1988
FINAL CIVIL JUDICIAL ACTION FOR IMMINENT AND SUBSTANTIAL ENDANGERMENT
RCRA (Hazardous Waste) · Case RCRA-CTD001173467-010 · Jul 27, 1988
$90,000
INITIAL CIVIL JUDICIAL ACTION FOR COMPLIANCE AND/OR MONETARY PENALTY
RCRA (Hazardous Waste) · Case RCRA-CTD001173467-005 · Apr 11, 1984
REFERRAL TO ATTORNEY GENERAL
RCRA (Hazardous Waste) · Case RCRA-CTD001173467-003 · Apr 10, 1984
FINAL 3008(A) COMPLIANCE ORDER
RCRA (Hazardous Waste) · Case RCRA-CTD001173467-002 · Apr 4, 1984
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-CTD001173467-015 · Oct 26, 1983

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