Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
NUCOR STEEL CONNECTICUT, INC.
Quick Summary
- •Released 9 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
-
35 TOELLES RD
WALLINGFORD, CT 06492
View on map ↗ - County
- NEW HAVEN County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 331110
- Inspections
- 2 · last Feb 7, 2025
- Total Penalties
- $0
- Registry ID
- 110000316649
How This Compares
#146
of 204 TRI reporters in CT
#12,514
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
3
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)
-41% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 5 | — |
| 2016 | 6 | +4% |
| 2017 | 9 | +61% |
| 2018 | 16 | +75% |
| 2020 | 4 | — |
| 2021 | 5 | +16% |
| 2022 | 2 | -61% |
| 2023 | 3 | +60% |
| 2024 | 3 | -0% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead compounds | 2 | — | 2 | — | 196 | |
| Copper | 1 | 0 | 1 | — | 44,723 | |
| Manganese compounds | 0 | 0 | — | — | 112,994 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 0 | 0 | — | — | 20,463 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead compounds | 2 | — | 2 | — | 337 | |
| Copper | 1 | 0 | 1 | — | 50,548 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 0 | 0 | — | — | 23,459 | |
| Manganese compounds | 0 | 0 | — | — | 138,770 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead compounds | 1 | — | 1 | — | 387 | |
| Copper | 1 | 0 | 1 | — | 58,252 | |
| Manganese compounds | 0 | 0 | — | — | 160,657 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 0 | 0 | — | — | 27,268 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead compounds | 2 | — | 2 | — | 456 | |
| Copper | 2 | 0 | 2 | — | 66,317 | |
| Nickel compounds | 1 | 0 | 1 | — | 23,885 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 0 | 0 | 0 | — | 30,459 | |
| Manganese compounds | 0 | 0 | — | — | 178,724 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead compounds | 2 | — | 2 | — | 420 | |
| Copper | 1 | 0 | 1 | — | 61,793 | |
| Nickel compounds | 1 | 0 | 1 | — | 22,298 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 0 | 0 | 0 | — | 28,343 | |
| Manganese compounds | 0 | 0 | — | — | 167,077 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Copper | 12 | 0 | 12 | — | 58,682 | |
| Lead compounds | 3 | 0 | 3 | — | 1,060 | |
| Nickel compounds | 1 | 0 | 1 | — | 21,008 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 0 | 0 | 0 | — | 27,085 | |
| Manganese compounds | 0 | 0 | — | — | 156,539 |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Tetrachloroethylene | — | — | — | — | 26,400 | ♦ Carcinogen |
| Copper | 6 | 0 | 6 | — | 66,258 | |
| Lead compounds | 2 | 0 | 2 | — | 447 | |
| Nickel compounds | 1 | 0 | 1 | — | 23,917 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 0 | 0 | 0 | — | 30,260 | |
| Manganese compounds | 0 | 0 | — | — | 179,249 |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Copper | 4 | 0 | 4 | — | 110,993 | |
| Lead compounds | 1 | 0 | 1 | — | 695 | |
| Nickel compounds | 0 | 0 | 0 | — | 41,417 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 0 | 0 | 0 | — | 53,281 | |
| Manganese compounds | 0 | 0 | — | — | 318,529 |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Copper | 4 | 0 | 4 | — | 67,757 | |
| Lead compounds | 1 | 0 | 1 | — | 462 | |
| Nickel compounds | 1 | 0 | 1 | — | 15,638 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 0 | 0 | 0 | — | 25,911 | |
| Manganese compounds | 0 | 0 | — | — | 163,293 |
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 |
|---|---|---|---|---|
| Lead compounds | — | 195 | — | — |
| Copper | — | 44,716 | — | — |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 20,383 | — | — |
| Manganese compounds | — | 112,935 | — | — |
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 |
|---|---|---|---|---|---|
|
SIMS METAL � NORTH HAVEN, CONNECTICUT NORTHEAST CT
NORTH HAVEN, CT
|
Lead compounds | — | 195 | — | — |
|
WIN WASTE INNOVATIONS
FOSTORIA, OH
|
Lead compounds | 2 | — | — | — |
|
SIMS METAL � NORTH HAVEN, CONNECTICUT NORTHEAST CT
NORTH HAVEN, CT
|
Manganese compounds | — | 112,935 | — | — |
|
WIN WASTE INNOVATIONS
FOSTORIA, OH
|
Manganese compounds | 59 | — | — | — |
|
SIMS METAL � NORTH HAVEN, CONNECTICUT NORTHEAST CT
NORTH HAVEN, CT
|
Copper | — | 44,716 | — | — |
|
WIN WASTE INNOVATIONS
FOSTORIA, OH
|
Copper | 8 | — | — | — |
|
SIMS METAL � NORTH HAVEN, CONNECTICUT NORTHEAST CT
NORTH HAVEN, CT
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 20,383 | — | — |
|
WIN WASTE INNOVATIONS
FOSTORIA, OH
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 79 | — | — | — |
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 |
|---|---|---|---|---|
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Feb 7, 2025 | — | Open |
| cwa | Management Practice Violations - Failure to Maintain Records | Feb 7, 2025 | — | Open |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Feb 7, 2025 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Aug 15, 2023 | — | Open |
| cwa | Management Practice Violations - Failure to Maintain Records | Aug 15, 2023 | — | Open |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Aug 15, 2023 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jun 20, 2019 | — | Open |
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 |
|---|---|---|---|---|---|---|
| Aluminum, total [as Al] | DMR, Limited - Numeric Violation | 2.30 mg/L | 2.00 | +15% | Mar 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 86.30 mg/L | 15.00 | +475% | May 2015 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 59.70 mg/L | 10.00 | +497% | May 2015 | Open |
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