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

RINGNECK ENERGY

Quick Summary

  • Released 23,178 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
901 REDWOOD AVE
ONIDA, SD 57564
View on map ↗
County
SULLY County
Industry
Manufacturing
NAICS (North American Industry Classification)
325193
Inspections
5 · last Jun 26, 2025
Total Penalties
$0
Registry ID
110070543313

How This Compares

#17 of 84 TRI reporters in SD
#2,619 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
0
Water (CWA)
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 (2019–2024) +150% overall
Year Total Releases (lbs) vs Prior Year
2019 9,274
2020 31,790 +243%
2021 30,948 -3%
2022 32,217 +4%
2023 21,488 -33%
2024 23,178 +8%

2024

Chemical Total (lbs) Air Water Land Off-Site
Nitric acid
Ammonia
Acetaldehyde 9,936 9,936 ♦ Carcinogen
n-Hexane 4,676 4,676
Acrolein 4,660 4,660 ♦ Carcinogen
Methanol 2,009 2,009
Formaldehyde 1,404 1,404 ♦ Carcinogen
Toluene 128 128
Benzene 125 125 ♦ Carcinogen
Xylene (mixed isomers) 121 121
Ethylbenzene 121 121 ♦ Carcinogen

2023

Chemical Total (lbs) Air Water Land Off-Site
Toluene
Xylene (mixed isomers)
Ethylbenzene ♦ Carcinogen
Benzene ♦ Carcinogen
Nitric acid
Acetaldehyde 10,085 10,085 ♦ Carcinogen
Methanol 5,047 5,047
Ammonia 3,527 3,527
n-Hexane 2,829 2,829

2022

Chemical Total (lbs) Air Water Land Off-Site
Benzene ♦ Carcinogen
Xylene (mixed isomers)
Ethylbenzene ♦ Carcinogen
Toluene
Acetaldehyde 15,616 15,616 ♦ Carcinogen
Methanol 7,460 7,460
Ammonia 5,309 5,309
n-Hexane 3,832 3,832

2021

Chemical Total (lbs) Air Water Land Off-Site
Toluene
Xylene (mixed isomers)
Benzene ♦ Carcinogen
Ethylbenzene ♦ Carcinogen
Acetaldehyde 15,227 15,227 ♦ Carcinogen
Methanol 6,871 6,871
Ammonia 5,050 5,050
n-Hexane 3,800 3,800

2020

Chemical Total (lbs) Air Water Land Off-Site
Benzene ♦ Carcinogen
Ethylbenzene ♦ Carcinogen
Toluene
Xylene (mixed isomers)
Acetaldehyde 15,431 15,431 ♦ Carcinogen
Methanol 7,399 7,399
Ammonia 5,120 5,120
n-Hexane 3,840 3,840

2019

Chemical Total (lbs) Air Water Land Off-Site
Benzene ♦ Carcinogen
Toluene
Ethylbenzene ♦ Carcinogen
Xylene (mixed isomers)
Acetaldehyde 5,854 5,854 ♦ Carcinogen
n-Hexane 2,411 2,411
Methanol 1,009 1,009

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
Ethylbenzene 596
Xylene (mixed isomers) 596
n-Hexane 5,262
Benzene 596
Toluene 596
Acrolein 2
Formaldehyde 67,138
Methanol 23,815
Acetaldehyde 142,615

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 Jun 2, 2025 Open
caa FRV Jun 24, 2024 Open
caa FRV Jun 27, 2023 Open
caa FRV Sep 16, 2021 Open

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