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

VAN DIEST SUPPLY CO

Quick Summary

  • Released 45,906 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 $215,629 in total penalties since records began.
  • Reports releases of chemicals classified as known or probable carcinogens.
Address
1434 220TH ST
WEBSTER CITY, IA 50595
View on map ↗
County
HAMILTON County
Industry
Manufacturing
NAICS (North American Industry Classification)
325320
Inspections
5 · last Sep 25, 2025
Total Penalties
$215,629 · last Jan 13, 2026
Registry ID
110069992088

How This Compares

#71 of 420 TRI reporters in IA
#1,772 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.

3
Air (CAA)
Qtrs Non-Compliant
4
Water (CWA)
Qtrs Non-Compliant
1
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) -43% overall
Year Total Releases (lbs) vs Prior Year
2015 47,181
2016 71,125 +51%
2017 45,906 -35%
2018 33,182 -28%
2019 306 -99%
2020 23,035 +7428%
2021 27,131 +18%
2022 28,471 +5%
2023 29,470 +4%
2024 26,768 -9%

2024

Chemical Total (lbs) Air Water Land Off-Site
n-Butyl alcohol
1,2,4-Trimethylbenzene
Atrazine 7,055 6,903 152 5,208
Ammonia 7,016 6,864 152 368
2,4-D 2-ethylhexyl ester 3,604 3,594 10 9,927 ♦ Carcinogen
Dimethylamine 3,207 3,207
Pendimethalin 3,033 3,033 301
Ethylene glycol 1,317 1,008 310 122
Methanol 479 479 0 10,516
Naphthalene 402 402 0 485 ♦ Carcinogen
Nonylphenol Ethoxylates 369 369 0 416
Metribuzin 286 286 0 190
Sodium dicamba 1 1 0 9,498
Ametryn 0 0 8,123

2023

Chemical Total (lbs) Air Water Land Off-Site
Terbacil
1,2,4-Trimethylbenzene
Xylene (mixed isomers)
Norflurazon
n-Butyl alcohol
Nitrapyrin
Hexazinone
Ammonia 6,925 6,858 68 3
Atrazine 6,571 6,569 2 14,645
2,4-D 2-ethylhexyl ester 5,265 5,265 12,831 ♦ Carcinogen
Dimethylamine 3,205 3,205
Pendimethalin 3,024 3,024 119
Dicamba 1,999 1,998 1 244
Ethylene glycol 1,153 1,152 0 15,027
Nonylphenol Ethoxylates 469 469 258
Naphthalene 412 412 0 462 ♦ Carcinogen
Metribuzin 292 292 0 459
Methanol 154 154 0 1,044
Ametryn 1 1 2,276
Sodium dicamba 1 1 0 2,951

2022

Chemical Total (lbs) Air Water Land Off-Site
Terbacil
Xylene (mixed isomers)
Diuron
n-Butyl alcohol
Norflurazon
Linuron
Nitrapyrin 1,080
Toluene
Fomesafen
Atrazine 6,831 6,802 29 23,124
Ammonia 6,809 6,770 39
Dimethylamine 3,208 3,208
Pendimethalin 3,029 3,029 7,440
2,4-D 2-ethylhexyl ester 2,974 2,950 24 8,544 ♦ Carcinogen
Dicamba 1,956 1,954 2 1,213
Ethylene glycol 1,202 1,199 2 10,055
Nonylphenol Ethoxylates 706 706 347
Methanol 679 679 0 29
1,2,4-Trimethylbenzene 508 508 9
Naphthalene 299 299 0 1,441 ♦ Carcinogen
Metribuzin 269 266 4 271
Sodium dicamba 2 2 0 961
Hexazinone 0 0 0 1,773

2021

Chemical Total (lbs) Air Water Land Off-Site
Norflurazon 4,654
Nitrapyrin 648
Terbacil 780
Toluene
Fomesafen
Diuron 1,872
Xylene (mixed isomers)
1,2,4-Trimethylbenzene
Linuron
Ammonia 7,151 6,770 381
Atrazine 5,767 5,743 24 23,347
Dimethylamine 3,205 3,205
2,4-D 2-ethylhexyl ester 3,091 3,079 12 9,793 ♦ Carcinogen
Pendimethalin 3,033 3,033 1,610
Dicamba 2,445 2,445 3,366
Ethylene glycol 1,119 1,119 0 13,457
Methanol 475 475 27
Nonylphenol Ethoxylates 361 361 157
Metribuzin 252 239 13 6,720
Naphthalene 231 231 2,097 ♦ Carcinogen
Sodium dicamba 1 1 5,159
Hexazinone 0 0 575

2020

Chemical Total (lbs) Air Water Land Off-Site
Cumene ♦ Carcinogen
Norflurazon
Dimethylamine
Xylene (mixed isomers)
Terbacil
Fomesafen
Dicamba
Ammonia 5,697 5,697 240
Atrazine 5,670 5,659 11 38,086
2,4-D 2-ethylhexyl ester 3,079 3,079 12,813 ♦ Carcinogen
Pendimethalin 3,033 3,033 826
Methanol 1,485 1,485 1,871
Ethylene glycol 1,290 1,290 14,632
n-Butyl alcohol 1,064 1,064 1
1,2,4-Trimethylbenzene 558 558 1,639
Naphthalene 464 464 2,290 ♦ Carcinogen
Nonylphenol Ethoxylates 391 391 1,347
Metribuzin 240 239 1 5,556
Toluene 58 58 1,652
Diuron 6 0 6 1,441
Sodium dicamba 1 1 15,223
Ametryn 1 1 6,280
Hexazinone 0 0 2,226
Linuron 0 0 1,954

2019

Chemical Total (lbs) Air Water Land Off-Site
Linuron 2,347
Terbacil 166 166 2,514
Toluene 140 140 1,361

2018

Chemical Total (lbs) Air Water Land Off-Site
Linuron
n-Butyl alcohol
1,2,4-Trimethylbenzene
Terbacil
2,4-D 2-ethylhexyl ester 8,339 8,320 19 7,374 ♦ Carcinogen
Ammonia 5,803 5,793 10
Toluene 5,432 5,432 760
Atrazine 2,696 2,638 58 10,667
Ametryn 2,120 2,120
Pendimethalin 2,007 2,007 265
Dimethylamine 1,774 1,774
Sodium dicamba 1,623 1,623 120
Tebuthiuron 1,116 1,116 2,609
Diuron 795 769 26 2
Naphthalene 517 517 166 ♦ Carcinogen
Hexazinone 490 489 1 60
Metribuzin 315 309 6 120
Ethylene glycol 154 154 7,254

2017

Chemical Total (lbs) Air Water Land Off-Site
Nitrapyrin
1,2,4-Trimethylbenzene
Triclopyr-triethylammonium salt
n-Butyl alcohol
Fomesafen
Xylene (mixed isomers)
Linuron
2,4-D 2-ethylhexyl ester 12,981 12,980 1 34,243 ♦ Carcinogen
Toluene 11,165 11,165 569
Atrazine 6,643 6,639 4 24,829
Ammonia 5,867 5,793 74 60
Dimethylamine 2,120 2,120
Pendimethalin 1,771 1,771 784
Ethylene glycol 1,640 740 900 19,277
Tebuthiuron 1,079 1,078 1 4,895
Hexazinone 842 837 5 603
Sodium dicamba 476 476 2,495
Ametryn 462 460 2 18,103
Metribuzin 330 328 2 2,209
Diuron 218 214 4 3,467
Naphthalene 186 186 2,072 ♦ Carcinogen
Terbacil 126 125 1 732

2016

Chemical Total (lbs) Air Water Land Off-Site
Triclopyr-triethylammonium salt
Norflurazon
n-Butyl alcohol
Nitrapyrin
Fomesafen
Linuron
Diuron
Terbacil
1,2,4-Trimethylbenzene
Toluene 30,600 30,600 513
2,4-D 2-ethylhexyl ester 8,281 8,273 8 3,679 ♦ Carcinogen
Ammonia 7,537 7,337 200
Atrazine 5,426 5,404 22 17,503
Dimethylamine 3,881 3,881
Cumene 2,240 2,240 ♦ Carcinogen
Pendimethalin 2,107 2,107 4,906
Xylene (mixed isomers) 1,657 1,657 128
Sodium dicamba 1,639 1,639
Methanol 1,560 1,411 149 1,347
Hexazinone 1,500 1,500 541
Ametryn 1,422 1,422 31,504
Ethylene glycol 1,316 1,167 149 15,733
Naphthalene 904 904 2,553 ♦ Carcinogen
Dicamba 899 862 37 2,838
Metribuzin 156 154 2 1,322

2015

Chemical Total (lbs) Air Water Land Off-Site
Norflurazon
n-Butyl alcohol
Metribuzin
1,2,4-Trimethylbenzene
Terbacil
Linuron
Tebuthiuron
Cumene ♦ Carcinogen
Triclopyr-triethylammonium salt
Toluene 19,887 19,887 21,737
2,4-D 2-ethylhexyl ester 8,355 8,340 15 7,587 ♦ Carcinogen
Ammonia 7,842 7,703 139
Dimethylamine 3,881 3,881
Sodium dicamba 2,246 2,246 7,831
Ametryn 1,082 1,082 992
Naphthalene 893 893 6,148 ♦ Carcinogen
Diuron 863 838 25 854
Methanol 841 841 1,965
Hexazinone 578 578 28
Atrazine 249 247 2 17,827
Ethylene glycol 233 233 22,010
Dicamba 226 177 49 11,177
Pendimethalin 5 5 29,920

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
Naphthalene 91 377
2,4-D 2-ethylhexyl ester 4,098 5,829
Methanol 128 10,387
Pendimethalin 301
Atrazine 943 3,015
Ethylene glycol 8 18
Ametryn 7,440
Sodium dicamba 9,434 4
Ammonia 359
Nonylphenol Ethoxylates 403 2
Metribuzin 6 2

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
REWORLD SOLUTIONS LLC
CEDAR RAPIDS, IA
Methanol 83
CLEAN HARBORS ENVIRONMENTAL SERVICES, INC.
KIMBALL, NE
Methanol 9
PHEASANT POINT LANDFILL
BENNINGTON, NE
Methanol 1
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
Methanol 45
VALICOR ENVIRONMENTAL SERVICES LLC
KANSAS CITY, MO
Methanol 10,378
CARBON CENTRAL LLC
EXCELSIOR SPRING, MO
Sodium dicamba 2
PHEASANT POINT LANDFILL
BENNINGTON, NE
Sodium dicamba 60
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
Sodium dicamba 9,434
CLEAN HARBORS CANADA
CORUMA
Sodium dicamba 2
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
Pendimethalin 301
CLEAN HARBORS CANADA
CORUMA
2,4-D 2-ethylhexyl ester 657
CLEAN HARBORS ENVIRONMENTAL SERVICES, INC.
KIMBALL, NE
2,4-D 2-ethylhexyl ester 78
ROSS INCINERATION SERVICES INC
GRAFTON, OH
2,4-D 2-ethylhexyl ester 5,094
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
2,4-D 2-ethylhexyl ester 4,098
CARBON CENTRAL LLC
EXCELSIOR SPRING, MO
Atrazine 22
PHEASANT POINT LANDFILL
BENNINGTON, NE
Atrazine 1,250
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
Atrazine 943
CLEAN HARBORS ENVIRONMENTAL SERVICES, INC.
KIMBALL, NE
Atrazine 180
CLEAN HARBORS CANADA
CORUMA
Atrazine 2
ROSS INCINERATION SERVICES INC
GRAFTON, OH
Atrazine 2,811
CARBON CENTRAL LLC
EXCELSIOR SPRING, MO
Metribuzin 2
PHEASANT POINT LANDFILL
BENNINGTON, NE
Metribuzin 182
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
Metribuzin 6
PHEASANT POINT LANDFILL
BENNINGTON, NE
Ametryn 683
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
Ametryn 7,440
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
Ammonia 359
PHEASANT POINT LANDFILL
BENNINGTON, NE
Ammonia 9
CARBON CENTRAL LLC
EXCELSIOR SPRING, MO
Ethylene glycol 13
CLEAN HARBORS CANADA
CORUMA
Ethylene glycol 2
CLEAN HARBORS ENVIRONMENTAL SERVICES, INC.
KIMBALL, NE
Ethylene glycol 3
PHEASANT POINT LANDFILL
BENNINGTON, NE
Ethylene glycol 96
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
Ethylene glycol 8
CARBON CENTRAL LLC
EXCELSIOR SPRING, MO
Naphthalene 1
CLEAN HARBORS CANADA
CORUMA
Naphthalene 2
CLEAN HARBORS ENVIRONMENTAL SERVICES, INC.
KIMBALL, NE
Naphthalene 329
PHEASANT POINT LANDFILL
BENNINGTON, NE
Naphthalene 17
REWORLD SOLUTIONS LLC
CEDAR RAPIDS, IA
Naphthalene 91
ROSS INCINERATION SERVICES INC
GRAFTON, OH
Naphthalene 45
PHEASANT POINT LANDFILL
BENNINGTON, NE
Nonylphenol Ethoxylates 11
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
Nonylphenol Ethoxylates 403
CARBON CENTRAL LLC
EXCELSIOR SPRING, MO
Nonylphenol Ethoxylates 2

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
caa FRV Apr 22, 2025 Open
caa FRV Nov 7, 2024 Open
caa FRV Oct 16, 2023 Open
rcra Standards Applicable to Generators of HW: General May 9, 2023 May 24, 2023 Resolved
rcra Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators May 9, 2023 May 24, 2023 Resolved
caa FRV Nov 10, 2022 Open
cwa Schedule Event achieved late but reported Mar 31, 2019 Open
rcra Standards Applicable to Generators of HW: General Jul 11, 2018 Aug 24, 2018 Resolved
cwa Schedule Event achieved late but reported Mar 31, 2018 Open
caa HPV Jan 18, 2018 Jul 11, 2018 Resolved
caa FRV Dec 26, 2017 Open
caa FRV Oct 25, 2017 Open
rcra Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators Jun 2, 2014 Aug 11, 2014 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures Feb 3, 2014 Mar 4, 2014 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Air Emission Standards for Tanks, Surface Impoundments and Containers Feb 3, 2014 Sep 25, 2014 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards Feb 3, 2014 Mar 16, 2016 Resolved
rcra Standards for Universal Waste Management: Standards for Small Quantity Handlers Sep 4, 2013 Mar 4, 2014 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards Sep 4, 2013 Mar 16, 2016 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Preparedness and Prevention Sep 4, 2013 Sep 5, 2013 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems Sep 4, 2013 Sep 16, 2016 Resolved
rcra Standards Applicable to Generators of HW: General Sep 4, 2013 Jun 5, 2015 Resolved
rcra Standards for Universal Waste Management: Standards for Small Quantity Handlers Jul 24, 2008 Jul 24, 2008 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Facility Standards Jan 29, 2002 Oct 14, 2002 Resolved
rcra Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures Jan 29, 2002 Oct 14, 2002 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Jan 29, 2002 Oct 14, 2002 Resolved
rcra Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators May 31, 2000 May 31, 2000 Resolved
rcra Standards Applicable to Generators of HW: General Apr 14, 1988 Sep 12, 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
Phenols DMR, Limited - Numeric Violation 0.05 mg/L 0.05 +7% Oct 2023 Open
Chloride [as Cl] DMR, Limited - Numeric Violation 437.00 mg/L 389.00 +12% Oct 2022 Open
Chloride [as Cl] DMR, Limited - Numeric Violation 400.00 mg/L 389.00 +3% Oct 2020 Open
Solids, total suspended DMR, Limited - Numeric Violation 100.00 mg/L 80.00 +25% Apr 2018 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.

Administrative - Formal
· Case 07-2001-0019
Administrative - Formal
· Case 07-2025-0114 · Jan 13, 2026
$201,735
Notice of Violation
Clean Air Act · Case 3604378370 · Apr 22, 2025
Administrative - Formal
· Case 07-2025-0025 · Apr 3, 2025
$6,832
Notice of Violation
Clean Air Act · Case 3604201453 · Dec 17, 2024
Notice of Violation
Clean Air Act · Case 3603784900 · Oct 16, 2023
Notice of Violation
Clean Air Act · Case 3603437386 · Nov 10, 2022
Administrative - Formal
· Case 07-2022-0068 · Jul 7, 2022
$7,062
Administrative - Formal
· Case HQ-2020-5022 · Oct 7, 2020
Administrative - Formal
Clean Air Act · Case 3601699231 · Jul 11, 2018
$0
Notice of Violation
Clean Air Act · Case 3601385120 · Mar 23, 2018
Notice of Violation
Clean Air Act · Case 3601319983 · Jan 18, 2018
Notice of Violation
Clean Air Act · Case 3601305764 · Dec 26, 2017
Notice of Violation
Clean Air Act · Case 3601221762 · Sep 5, 2017
Administrative - Formal
· Case 07-2015-0301 · Jul 7, 2015
$78,830
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-IAD005314117-001 · Feb 3, 2014
Administrative - Formal
· Case 07-2004-0140 · Aug 24, 2004
$82,825
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-IAD005314117-000 · May 31, 2000

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