EmissionsLookup
Non-Compliance TRI Reporter RCRA

NALCO CO - EVANSVILLE PLANT 108

Quick Summary

  • •Released 11,146 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
4900 EAST YELLOWSTONE HIGHWAY
EVANSVILLE, WY 82636
View on map ↗
County
NATRONA County
Industry
Manufacturing
NAICS (North American Industry Classification)
339999
Inspections
6 · last Sep 12, 2025
Total Penalties
$0
Registry ID
110000468182

How This Compares

#23 of 64 TRI reporters in WY
#3,792 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
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) -16% overall
Year Total Releases (lbs) vs Prior Year
2015 15,179 —
2016 17,278 +14%
2017 11,146 -35%
2018 4,261 -62%
2019 2,606 -39%
2020 9,845 +278%
2021 8,443 -14%
2022 18,619 +121%
2023 22,984 +23%
2024 12,721 -45%

2024

Chemical Total (lbs) Air Water Land Off-Site
Ethylbenzene — — — — — ♦ Carcinogen
Ammonia — — — — —
Ethylene glycol — — — — —
Xylene (mixed isomers) — — — — —
1,2,4-Trimethylbenzene — — — — —
Biphenyl — — — — —
Zinc compounds — — — — —
n-Butyl alcohol — — — — —
Nonylphenol Ethoxylates — — — — —
Certain glycol ethers — — — — —
Cumene — — — — — ♦ Carcinogen
Methanol 12,316 12,316 — — 621
Toluene 346 346 — — 4,841
Naphthalene 59 59 — — 542 ♦ Carcinogen

2023

Chemical Total (lbs) Air Water Land Off-Site
Certain glycol ethers — — — — —
Cumene — — — — — ♦ Carcinogen
Ethylbenzene — — — — — ♦ Carcinogen
Biphenyl — — — — —
1,2,4-Trimethylbenzene — — — — —
Zinc compounds — — — — —
Nonylphenol Ethoxylates — — — — —
Xylene (mixed isomers) — — — — —
Ammonia — — — — —
Methanol 20,876 20,876 — — 2,786
Toluene 2,092 2,092 — — 24,728
Ethylene glycol 12 12 — — —
Naphthalene 4 4 — — 2,768 ♦ Carcinogen

2022

Chemical Total (lbs) Air Water Land Off-Site
Nonylphenol Ethoxylates — — — — —
Zinc compounds — — — — —
1,2,4-Trimethylbenzene — — — — —
Biphenyl — — — — —
Ethylbenzene — — — — — ♦ Carcinogen
Cumene — — — — — ♦ Carcinogen
Certain glycol ethers — — — — —
Xylene (mixed isomers) — — — — —
Methanol 17,778 17,778 — — 4,462
Toluene 825 825 — — 43,185
Ethylene glycol 12 12 — — —
Naphthalene 5 5 — — 4,462 ♦ Carcinogen

2021

Chemical Total (lbs) Air Water Land Off-Site
Biphenyl — — — — —
1,2,4-Trimethylbenzene — — — — —
Nonylphenol Ethoxylates — — — — —
Xylene (mixed isomers) — — — — —
Ethylbenzene — — — — — ♦ Carcinogen
Ammonia — — — — —
Certain glycol ethers — — — — —
Zinc compounds — — — — —
Methanol 8,136 8,136 — — 1,353
Toluene 298 298 — — 12,089
Ethylene glycol 6 6 — — 27,617
Naphthalene 2 2 — — 1,353 ♦ Carcinogen

2020

Chemical Total (lbs) Air Water Land Off-Site
Ethylbenzene — — — — — ♦ Carcinogen
Nonylphenol Ethoxylates — — — — —
Certain glycol ethers — — — — —
1,2,4-Trimethylbenzene — — — — —
Zinc compounds — — — — —
Xylene (mixed isomers) — — — — —
Ammonia — — — — —
Methanol 9,555 9,555 — — 738
Toluene 283 283 — — 6,354
Ethylene glycol 5 5 — — 15
Naphthalene 2 2 — — 730 ♦ Carcinogen

2019

Chemical Total (lbs) Air Water Land Off-Site
Xylene (mixed isomers) — — — — —
Zinc compounds — — — — —
Certain glycol ethers — — — — —
Ethylbenzene — — — — — ♦ Carcinogen
Cumene — — — — — ♦ Carcinogen
Ammonia — — — — —
Biphenyl — — — — —
1,2,4-Trimethylbenzene — — — — —
Nonylphenol Ethoxylates — — — — —
Methanol 2,454 2,454 — — 28,272
Toluene 151 151 — — 100,597
Ethylene glycol 1 1 — — —
Naphthalene 0 0 — — 15,808 ♦ Carcinogen

2018

Chemical Total (lbs) Air Water Land Off-Site
Cumene — — — — — ♦ Carcinogen
Biphenyl — — — — —
Zinc compounds — — — — —
1,2,4-Trimethylbenzene — — — — —
Xylene (mixed isomers) — — — — —
Ethylbenzene — — — — — ♦ Carcinogen
Ammonia — — — — —
Methanol 3,974 3,974 — — 17,653
Toluene 260 260 — — 82,381
Naphthalene 26 26 — — 12,946 ♦ Carcinogen
Ethylene glycol 1 1 — — 612

2017

Chemical Total (lbs) Air Water Land Off-Site
Biphenyl — — — — —
Zinc compounds — — — — 8,704
Methanol 10,289 10,289 — — 113,881
Toluene 695 695 — — 231,839
Xylene (mixed isomers) 60 60 — — 1,699
Ethylbenzene 59 59 — — 635 ♦ Carcinogen
1,2,4-Trimethylbenzene 36 36 — — 1,497
Naphthalene 5 5 — — 23,917 ♦ Carcinogen
Ethylene glycol 3 3 — — 787

2016

Chemical Total (lbs) Air Water Land Off-Site
Peracetic acid — — — — —
Zinc compounds — — — — —
Biphenyl — — — — —
Certain glycol ethers — — — — —
Methanol 15,884 15,884 — — 1,170
Toluene 871 871 — — 585
Ethylbenzene 280 280 — — 39 ♦ Carcinogen
Xylene (mixed isomers) 115 115 — — 195
1,2,4-Trimethylbenzene 101 101 — — 585
Naphthalene 21 21 — — 195 ♦ Carcinogen
Ethylene glycol 6 6 — — —

2015

Chemical Total (lbs) Air Water Land Off-Site
Sodium nitrite — — — — —
Zinc compounds — — — — —
Methanol 12,513 12,513 — — 1,087
Toluene 2,018 2,018 — — 543
Ethylbenzene 317 317 — — 36 ♦ Carcinogen
1,2,4-Trimethylbenzene 162 162 — — 543
Xylene (mixed isomers) 150 150 — — 181
Naphthalene 18 18 — — 181 ♦ Carcinogen
Ethylene glycol 1 1 — — 110

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 — 542 — —
Methanol — 621 — —
Toluene — 4,841 — —

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
Methanol — 621 — —
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
Toluene — 4,841 — —
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
Naphthalene — 542 — —

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 for Universal Waste Management: Standards for Large Quantity Handlers Sep 12, 2025 Oct 1, 2025 Resolved
rcra Standards for Universal Waste Management: Standards for Small Quantity Handlers Aug 6, 2024 Sep 19, 2024 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards Aug 6, 2024 Oct 15, 2024 Resolved
rcra Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators Aug 6, 2024 Sep 19, 2024 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Aug 6, 2024 Sep 19, 2024 Resolved
rcra Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators Aug 6, 2024 Oct 15, 2024 Resolved
rcra Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators Jun 21, 2022 Jul 6, 2022 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Jun 21, 2022 Jul 6, 2022 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Facility Standards Sep 15, 1991 Apr 15, 1992 Resolved
rcra Standards for Owners and Operators of HW TSDs: Financial Requirements Oct 3, 1990 Apr 3, 1991 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Apr 25, 1988 Sep 25, 1989 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.

WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-WYD000712687-000 · Oct 23, 1990

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