Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
VALERO - CHARLES CITY ETHANOL PLANT
Quick Summary
- •Released 26,458 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
-
1787 QUARRY RD
CHARLES CITY, IA 50616
View on map ↗ - County
- FLOYD County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325193
- Inspections
- 4 · last Oct 29, 2025
- Total Penalties
- $0 · last May 27, 2008
- Registry ID
- 110024519225
How This Compares
#92
of 420 TRI reporters in IA
#2,430
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.
0
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
5
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
Hazardous Waste (RCRA)
Qtrs Non-Compliant
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)
+3% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 26,417 | — |
| 2016 | 25,135 | -5% |
| 2017 | 26,458 | +5% |
| 2018 | 26,671 | +1% |
| 2019 | 15,016 | -44% |
| 2020 | 24,600 | +64% |
| 2021 | 25,123 | +2% |
| 2022 | 24,522 | -2% |
| 2023 | 33,306 | +36% |
| 2024 | 27,134 | -19% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Acetaldehyde | 8,386 | 8,386 | — | — | — | ♦ Carcinogen |
| n-Hexane | 7,064 | 7,064 | — | — | — | |
| Acrolein | 6,743 | 6,743 | — | — | — | ♦ Carcinogen |
| Methanol | 3,062 | 3,062 | — | — | — | |
| Formaldehyde | 921 | 921 | — | — | — | ♦ Carcinogen |
| Formic acid | 891 | 891 | — | — | — | |
| Cyclohexane | 31 | 31 | — | — | — | |
| Benzene | 19 | 19 | — | — | — | ♦ Carcinogen |
| Toluene | 17 | 17 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | — | — | — | — | — | |
| Acetaldehyde | 12,127 | 12,127 | — | — | — | ♦ Carcinogen |
| Acrolein | 7,671 | 7,671 | — | — | — | ♦ Carcinogen |
| n-Hexane | 6,625 | 6,625 | — | — | — | |
| Formaldehyde | 2,555 | 2,555 | — | — | — | ♦ Carcinogen |
| Methanol | 2,181 | 2,181 | — | — | — | |
| Formic acid | 2,096 | 2,096 | — | — | — | |
| Cyclohexane | 21 | 21 | — | — | — | |
| Toluene | 15 | 15 | — | — | — | |
| Benzene | 15 | 15 | — | — | — | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | — | — | — | — | — | |
| Acetaldehyde | 9,845 | 9,845 | — | — | — | ♦ Carcinogen |
| n-Hexane | 6,622 | 6,622 | — | — | — | |
| Acrolein | 3,056 | 3,056 | — | — | — | ♦ Carcinogen |
| Formic acid | 2,067 | 2,067 | — | — | — | |
| Methanol | 1,989 | 1,989 | — | — | — | |
| Formaldehyde | 895 | 895 | — | — | — | ♦ Carcinogen |
| Cyclohexane | 20 | 20 | — | — | — | |
| Toluene | 14 | 14 | — | — | — | |
| Benzene | 14 | 14 | — | — | — | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | — | — | — | — | — | |
| Acetaldehyde | 10,918 | 10,918 | — | — | — | ♦ Carcinogen |
| n-Hexane | 6,719 | 6,719 | — | — | — | |
| Acrolein | 2,859 | 2,859 | — | — | — | ♦ Carcinogen |
| Formic acid | 2,061 | 2,061 | — | — | — | |
| Methanol | 1,565 | 1,565 | — | — | — | |
| Formaldehyde | 948 | 948 | — | — | — | ♦ Carcinogen |
| Cyclohexane | 21 | 21 | — | — | — | |
| Toluene | 16 | 16 | — | — | — | |
| Benzene | 16 | 16 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | — | — | — | — | — | |
| Acetaldehyde | 9,520 | 9,520 | — | — | — | ♦ Carcinogen |
| n-Hexane | 6,412 | 6,412 | — | — | — | |
| Formic acid | 2,937 | 2,937 | — | — | — | |
| Acrolein | 2,394 | 2,394 | — | — | — | ♦ Carcinogen |
| Formaldehyde | 1,707 | 1,707 | — | — | — | ♦ Carcinogen |
| Methanol | 1,577 | 1,577 | — | — | — | |
| Cyclohexane | 21 | 21 | — | — | — | |
| Benzene | 17 | 17 | — | — | — | ♦ Carcinogen |
| Toluene | 15 | 15 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Acetaldehyde | 9,880 | 9,880 | — | — | — | ♦ Carcinogen |
| Formic acid | 3,732 | 3,732 | — | — | — | |
| Methanol | 1,376 | 1,376 | — | — | — | |
| Benzene | 17 | 17 | — | — | — | ♦ Carcinogen |
| Cyclohexane | 11 | 11 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene glycol | — | — | — | — | — | |
| Acetaldehyde | 10,186 | 10,186 | — | — | — | ♦ Carcinogen |
| n-Hexane | 6,412 | 6,412 | — | — | — | |
| Formic acid | 5,579 | 5,579 | — | — | — | |
| Formaldehyde | 1,498 | 1,498 | — | — | — | ♦ Carcinogen |
| Acrolein | 1,485 | 1,485 | — | — | — | ♦ Carcinogen |
| Methanol | 1,461 | 1,461 | — | — | — | |
| Benzene | 20 | 20 | — | — | — | ♦ Carcinogen |
| Toluene | 17 | 17 | — | — | — | |
| Cyclohexane | 13 | 13 | — | — | — | |
| Ammonia | 1 | 1 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene glycol | — | — | — | — | — | |
| Acetaldehyde | 11,756 | 11,756 | — | — | — | ♦ Carcinogen |
| n-Hexane | 6,166 | 6,166 | — | — | — | |
| Acrolein | 4,320 | 4,320 | — | — | — | ♦ Carcinogen |
| Formic acid | 2,260 | 2,260 | — | — | — | |
| Methanol | 1,445 | 1,445 | — | — | — | |
| Formaldehyde | 435 | 435 | — | — | — | ♦ Carcinogen |
| Cyclohexane | 29 | 29 | — | — | — | |
| Benzene | 28 | 28 | — | — | — | ♦ Carcinogen |
| Toluene | 17 | 17 | — | — | — | |
| Ammonia | 1 | 1 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene glycol | — | — | — | — | — | |
| Acetaldehyde | 10,857 | 10,857 | — | — | — | ♦ Carcinogen |
| n-Hexane | 6,285 | 6,285 | — | — | — | |
| Acrolein | 3,538 | 3,538 | — | — | — | ♦ Carcinogen |
| Formic acid | 2,991 | 2,991 | — | — | — | |
| Formaldehyde | 969 | 969 | — | — | — | ♦ Carcinogen |
| Methanol | 431 | 431 | — | — | — | |
| Cyclohexane | 35 | 35 | — | — | — | |
| Benzene | 28 | 28 | — | — | — | ♦ Carcinogen |
| Ammonia | 1 | 1 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | — | — | — | — | — | |
| Acetaldehyde | 9,653 | 9,653 | — | — | — | ♦ Carcinogen |
| n-Hexane | 6,273 | 6,273 | — | — | — | |
| Formic acid | 3,842 | 3,842 | — | — | — | |
| Formaldehyde | 2,371 | 2,371 | — | — | — | ♦ Carcinogen |
| Acrolein | 2,344 | 2,344 | — | — | — | ♦ Carcinogen |
| Methanol | 1,785 | 1,785 | — | — | — | |
| Benzene | 73 | 73 | — | — | — | ♦ Carcinogen |
| Toluene | 38 | 38 | — | — | — | |
| Cyclohexane | 38 | 38 | — | — | — |
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 |
|---|---|---|---|---|
| Benzene | — | — | — | 23 |
| n-Hexane | — | — | — | 752 |
| Formaldehyde | — | — | — | 16,727 |
| Acetaldehyde | — | — | — | 83,632 |
| Toluene | — | — | — | 10 |
| Formic acid | — | — | — | 24,961 |
| Acrolein | — | — | — | 257,948 |
| Cyclohexane | — | — | — | 82 |
| Methanol | — | — | — | 129,004 |
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 |
|---|---|---|---|---|---|---|
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.04 kg/d | 0.04 | +3% | Feb 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.07 mg/L | 0.04 | +67% | Feb 2024 | Open |
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