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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