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

NATUREWORKS LLC

Quick Summary

  • Released 297,189 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
650 INDUSTRIAL PARK DR.
BLAIR, NE 68008
View on map ↗
County
WASHINGTON County
Industry
Manufacturing
NAICS (North American Industry Classification)
325211
Inspections
17 · last Oct 28, 2025
Total Penalties
$0 · last Sep 29, 2014
Registry ID
110059765696

How This Compares

#11 of 154 TRI reporters in NE
#544 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.

4
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) +166% overall
Year Total Releases (lbs) vs Prior Year
2015 168,671
2016 189,362 +12%
2017 297,189 +57%
2018 186,381 -37%
2019 17,714 -90%
2020 256,296 +1347%
2021 239,110 -7%
2022 211,047 -12%
2023 331,868 +57%
2024 448,111 +35%

2024

Chemical Total (lbs) Air Water Land Off-Site
Cyclohexane
Benzene ♦ Carcinogen
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 200,000 200,000 870
Acetaldehyde 92,100 92,100 ♦ Carcinogen
n-Hexane 36,000 36,000
Methanol 29,200 29,200
Formaldehyde 27,000 27,000 ♦ Carcinogen
Ammonia 17,200 4,200 13,000 3,550
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 14,000 14,000
Acrolein 13,300 13,300 ♦ Carcinogen
Hydrogen sulfide 9,100 8,310 790
Hydrogen cyanide 7,200 7,200
Ethylene 1,700 1,700
Zinc compounds 733 283 450 10,100
Propionaldehyde 554 549 5 2,856
Formic acid 15 10 5 79,763
Isobutyraldehyde 5 5 5
Lead compounds 2 2
Copper compounds 1 1
Manganese compounds 1 1
Mercury 0 0

2023

Chemical Total (lbs) Air Water Land Off-Site
Benzene ♦ Carcinogen
Formic acid
Cyclohexane
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 160,000 160,000 482
Acetaldehyde 72,900 72,900 ♦ Carcinogen
Acrolein 31,800 31,800 ♦ Carcinogen
Formaldehyde 26,500 26,500 ♦ Carcinogen
Ammonia 11,715 2,315 9,400 2,015
Hydrogen sulfide 8,400 7,710 690 0
Hydrogen cyanide 7,400 7,400
Propionaldehyde 5,900 5,900
Manganese compounds 3,205 5 3,200 2,311
Ethylene 2,600 2,600
Zinc compounds 713 273 440 5,900
Lead compounds 565 5 560 1,088
Copper compounds 119 9 110 731
Methanol 40 35 5 70,799
n-Hexane 6 6 56
Isobutyraldehyde 5 5 5
Mercury 0 0

2022

Chemical Total (lbs) Air Water Land Off-Site
Benzene ♦ Carcinogen
Mercury 53
Cyclohexane
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Formic acid
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 130,000 130,000 193
Acrolein 34,200 34,200 114 ♦ Carcinogen
Ammonia 17,202 2,202 15,000 1,904
Hydrogen sulfide 8,580 7,910 670
Propionaldehyde 7,600 7,600
Hydrogen cyanide 7,200 7,200
Acetaldehyde 2,720 2,715 5 497,580 ♦ Carcinogen
Ethylene 2,600 2,600
Lead compounds 566 6 560 212
Formaldehyde 292 287 5 2,586 ♦ Carcinogen
Methanol 40 35 5 88,474
Zinc compounds 34 34
n-Hexane 7 7 74
Isobutyraldehyde 5 5 5
Copper compounds 1 1
Manganese compounds 1 1

2021

Chemical Total (lbs) Air Water Land Off-Site
Peracetic acid
Benzene ♦ Carcinogen
Cyclohexane
Formic acid
Acetaldehyde 77,200 77,200 ♦ Carcinogen
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 75,000 75,000 99
n-Hexane 35,000 35,000 0
Methanol 18,300 18,300
Hydrogen sulfide 8,630 7,900 730 0
Hydrogen cyanide 7,300 7,300
Propionaldehyde 5,800 5,800
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 5,776 5,776
Ethylene 2,601 2,601
Zinc compounds 1,973 273 1,700 2,796
Lead compounds 626 6 620 799
Ammonia 396 391 5 55,301
Formaldehyde 220 215 5 2,912 ♦ Carcinogen
Acrolein 155 150 5 1,523 ♦ Carcinogen
Copper compounds 128 8 120 269
Isobutyraldehyde 5 5 5
Manganese compounds 1 1
Mercury 0 0

2020

Chemical Total (lbs) Air Water Land Off-Site
Formic acid
Mercury 193
Cyclohexane
Acetaldehyde 93,000 93,000 ♦ Carcinogen
n-Hexane 35,000 35,000 2
Acrolein 24,400 24,400 ♦ Carcinogen
Formaldehyde 22,100 22,100 ♦ Carcinogen
Isobutyraldehyde 21,380 21,380
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 19,000 19,000 142
Methanol 17,300 17,300 1
Hydrogen cyanide 7,400 7,400
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 5,744 5,744
Propionaldehyde 5,600 5,600
Manganese compounds 3,205 5 3,200 152
Hydrogen sulfide 1,570 800 770 0
Ammonia 456 451 5 58,585
Ethylene 93 93
Zinc compounds 32 32
Benzene 15 10 5 86 ♦ Carcinogen
Lead compounds 2 2

2019

Chemical Total (lbs) Air Water Land Off-Site
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Cyclohexane
Ammonia 13,627 2,216 11,411 308
Acetaldehyde 2,945 2,940 5 539,802 ♦ Carcinogen
Propionaldehyde 599 594 5 3,311
Formaldehyde 220 215 5 1,236 ♦ Carcinogen
Acrolein 157 152 5 1,474 ♦ Carcinogen
Methanol 115 110 5 95,981
Formic acid 15 10 5 58,435
Benzene 14 9 5 40 ♦ Carcinogen
Toluene 9 9 40
n-Hexane 7 7 40
Isobutyraldehyde 5 5 5
Lead 2 2 ♦ Carcinogen
Mercury 0 0

2018

Chemical Total (lbs) Air Water Land Off-Site
Xylene (mixed isomers)
Formic acid
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Cyclohexane
Methanol 87,987 87,987 316
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 42,257 42,257 541
Isobutyraldehyde 22,307 22,307
Ammonia 21,159 2,202 18,957 294
Hydrogen cyanide 7,085 7,085
Acetaldehyde 3,090 3,085 5 521,992 ♦ Carcinogen
Hydrogen sulfide 1,382 657 725 48
Propionaldehyde 612 607 5 3,202
Formaldehyde 231 226 5 1,922 ♦ Carcinogen
Acrolein 152 147 5 1,426 ♦ Carcinogen
Toluene 57 57 258
Benzene 53 53 0 ♦ Carcinogen
n-Hexane 7 7 57
Mercury 3 3 7
Lead 2 2 ♦ Carcinogen

2017

Chemical Total (lbs) Air Water Land Off-Site
Toluene
Xylene (mixed isomers)
Cyclohexane
Acetaldehyde 176,063 176,063 ♦ Carcinogen
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 37,387 37,387 827
n-Hexane 23,929 23,929 13
Acrolein 23,101 23,101 ♦ Carcinogen
Methanol 17,538 17,538 288
Hydrogen cyanide 7,087 7,087
Formaldehyde 6,338 6,338 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 2,780 2,780
Hydrogen sulfide 1,382 657 725 48
Ammonia 679 674 5 53,000
Propionaldehyde 621 616 5 3,300
Formic acid 260 10 250 61,300
Benzene 14 9 5 80 ♦ Carcinogen
Isobutyraldehyde 5 5 5
Mercury 2 2 14
Lead 2 2 ♦ Carcinogen
Nickel 2 2 ♦ Carcinogen

2016

Chemical Total (lbs) Air Water Land Off-Site
Cyclohexane
Xylene (mixed isomers)
Toluene
Acetaldehyde 59,125 59,125 ♦ Carcinogen
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 25,096 25,096 464
n-Hexane 23,614 23,614 65
Isobutyraldehyde 21,559 21,559
Methanol 15,873 15,873 557
Ammonia 15,517 2,238 13,279 657
Acrolein 13,072 13,072 ♦ Carcinogen
Hydrogen cyanide 7,317 7,317
Formaldehyde 5,447 5,447 ♦ Carcinogen
Hydrogen sulfide 1,446 770 676 46
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 932 932
Formic acid 260 10 250 49,000
Benzene 79 79 359 ♦ Carcinogen
Nickel 19 19 3,319 ♦ Carcinogen
Lead 4 4 10 ♦ Carcinogen
Mercury 2 2 9

2015

Chemical Total (lbs) Air Water Land Off-Site
Benzene ♦ Carcinogen
Toluene
Cyclohexane
Formic acid
Xylene (mixed isomers)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 68,506 68,506 155
Acetaldehyde 55,216 55,216 ♦ Carcinogen
Methanol 15,536 15,536 614
Acrolein 13,037 13,037 ♦ Carcinogen
Ammonia 7,844 3,608 4,236 1,761
Hydrogen cyanide 7,088 7,088
Hydrogen sulfide 1,339 716 623 7
Formaldehyde 80 75 5 2,012 ♦ Carcinogen
Isobutyraldehyde 10 5 5 5
n-Hexane 6 6 59
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 5 5
Mercury 3 3 8
Lead 2 2 ♦ 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
Isobutyraldehyde 5
Propionaldehyde 570,000
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 5,600,000
Hydrogen sulfide 340,000
Ethylene 78
Acetaldehyde 547,778
Acrolein 2,438
Hydrogen cyanide 1,200,000
Formaldehyde 2,354
Formic acid 140,000
Methanol 82,796
n-Hexane 67
Ammonia 87,292

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
CARGILL INCORPORATED - CORN MILLING NORTH AMERICA
BLAIR, NE
Formic acid 79,763
CARGILL INCORPORATED - CORN MILLING NORTH AMERICA
BLAIR, NE
Acrolein 1,272
CARGILL INCORPORATED - CORN MILLING NORTH AMERICA
BLAIR, NE
Methanol 82,789
CARGILL INCORPORATED - CORN MILLING NORTH AMERICA
BLAIR, NE
Propionaldehyde 2,856
CARGILL INCORPORATED - CORN MILLING NORTH AMERICA
BLAIR, NE
Acetaldehyde 465,607
CARGILL INCORPORATED - CORN MILLING NORTH AMERICA
BLAIR, NE
n-Hexane 67
CARGILL INCORPORATED - CORN MILLING NORTH AMERICA
BLAIR, NE
Formaldehyde 2,350
CARGILL INCORPORATED - CORN MILLING NORTH AMERICA
BLAIR, NE
Isobutyraldehyde 5
BUTLER COUNTY LANDFILL
DAVID CITY, NE
Ammonia 1,900
BUTLER COUNTY LANDFILL
DAVID CITY, NE
Manganese compounds 2,000
LOESS HILLS RNG FACILITY
MALVERN, IA
Manganese compounds 1,400
SOIL DYNAMICS
ASHLAND, NE
Manganese compounds 740
BUTLER COUNTY LANDFILL
DAVID CITY, NE
Mercury 13
LOESS HILLS RNG FACILITY
MALVERN, IA
Mercury 47
SOIL DYNAMICS
ASHLAND, NE
Mercury 56
LOESS HILLS RNG FACILITY
MALVERN, IA
Ammonia 1,100
SOIL DYNAMICS
ASHLAND, NE
Ammonia 550
LOESS HILLS RNG FACILITY
MALVERN, IA
Copper compounds 320
BUTLER COUNTY LANDFILL
DAVID CITY, NE
Copper compounds 620
SOIL DYNAMICS
ASHLAND, NE
Copper compounds 100
BUTLER COUNTY LANDFILL
DAVID CITY, NE
Lead compounds 161
LOESS HILLS RNG FACILITY
MALVERN, IA
Lead compounds 103
SOIL DYNAMICS
ASHLAND, NE
Lead compounds 91
BUTLER COUNTY LANDFILL
DAVID CITY, NE
Zinc compounds 5,100
LOESS HILLS RNG FACILITY
MALVERN, IA
Zinc compounds 3,300
SOIL DYNAMICS
ASHLAND, NE
Zinc compounds 1,700
BUTLER COUNTY LANDFILL
DAVID CITY, NE
Hydrogen sulfide
LOESS HILLS RNG FACILITY
MALVERN, IA
Hydrogen sulfide
SOIL DYNAMICS
ASHLAND, NE
Hydrogen sulfide
BUTLER COUNTY LANDFILL
DAVID CITY, NE
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 430
LOESS HILLS RNG FACILITY
MALVERN, IA
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 280
SOIL DYNAMICS
ASHLAND, NE
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 160

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 Oct 24, 2025 Open
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Jul 18, 2025 Jul 18, 2025 Resolved
caa FRV Jun 24, 2025 Open
caa FRV Nov 15, 2024 Open
caa FRV Sep 24, 2024 Open
caa FRV Jul 8, 2024 Open
rcra Standards Applicable to Generators of HW: General Jul 27, 2022 Aug 25, 2022 Resolved
caa FRV Jan 27, 2021 Open
rcra Standards Applicable to Generators of HW: General Feb 21, 2018 Feb 22, 2018 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Preparedness and Prevention Feb 21, 2018 Feb 22, 2018 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures Apr 29, 2015 May 13, 2015 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Apr 29, 2015 May 13, 2015 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Preparedness and Prevention Apr 29, 2015 May 13, 2015 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers Apr 29, 2015 May 13, 2015 Resolved
rcra Standards for Used Oil: Generators Apr 29, 2015 Apr 29, 2015 Resolved
rcra Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators Mar 26, 2013 Apr 2, 2013 Resolved
rcra Standards for Used Oil: Generators Mar 26, 2013 Mar 27, 2013 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards Sep 5, 2012 Oct 18, 2012 Resolved
rcra Land Disposal Restrictions: General Sep 5, 2012 Oct 18, 2012 Resolved
rcra Standards for Universal Waste Management: Standards for Small Quantity Handlers Sep 5, 2012 Oct 18, 2012 Resolved
rcra Standards for Used Oil: Generators Sep 5, 2012 Oct 18, 2012 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Sep 5, 2012 Oct 18, 2012 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures Sep 5, 2012 Oct 18, 2012 Resolved
rcra Standards Applicable to Generators of HW: General Aug 5, 2008 Aug 18, 2008 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures Aug 5, 2008 Aug 18, 2008 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Aug 23, 2007 Sep 18, 2007 Resolved
rcra Standards for Universal Waste Management: Standards for Small Quantity Handlers Apr 17, 2006 Apr 17, 2006 Resolved
rcra Standards Applicable to Generators of HW: General Apr 17, 2006 Apr 17, 2006 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures Apr 17, 2006 Apr 17, 2006 Resolved
rcra Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators Feb 25, 2003 Mar 27, 2003 Resolved
rcra Standards Applicable to Generators of HW: General Feb 25, 2003 Mar 27, 2003 Resolved

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 07-2004-0143
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-NER000000117-001 · Jul 18, 2025
Administrative - Formal
· Case 07-2014-0291 · Sep 29, 2014
$187,500
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-NER000503045-001 · Aug 23, 2007
Judicial
· Case 07-2004-0313 · Mar 3, 2006
$707,693
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-NER000500355-001 · Feb 25, 2003

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