Non-Compliance
TRI Reporter
Clean Air Act
RCRA
GREDE LLC - LIBERTY
Quick Summary
- •Released 213 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
-
6432 W STATE ST
WAUWATOSA, WI 53213
View on map ↗ - County
- MILWAUKEE County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 331511
- Inspections
- 2 · last Mar 10, 2026
- Total Penalties
- $0 · last Feb 15, 2002
- Registry ID
- 110000418717
How This Compares
#374
of 713 TRI reporters in WI
#9,091
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.
6
Air (CAA)
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)
-71% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 223 | — |
| 2016 | 216 | -3% |
| 2017 | 213 | -1% |
| 2018 | 209 | -2% |
| 2019 | 159 | -24% |
| 2020 | 104 | -35% |
| 2021 | 145 | +40% |
| 2022 | 144 | -1% |
| 2023 | 67 | -53% |
| 2024 | 64 | -4% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Diisocyanates | — | — | — | — | — | |
| Nickel | 34 | 8 | 26 | — | 3,931 | ♦ Carcinogen |
| Manganese | 29 | 11 | 18 | — | 5,630 | |
| Lead | 1 | — | 1 | — | 83 | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Diisocyanates | — | — | — | — | — | |
| Nickel | 39 | 19 | 20 | — | 4,479 | ♦ Carcinogen |
| Manganese | 27 | 12 | 14 | — | 3,769 | |
| Lead | 1 | — | 1 | — | 64 | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Diisocyanates | — | — | — | — | 3 | |
| Lead | 104 | 104 | — | — | 254 | ♦ Carcinogen |
| Manganese | 26 | 26 | — | — | 1,801 | |
| Nickel | 14 | 14 | — | — | 345 | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Diisocyanates | — | — | — | — | 4 | |
| Lead | 105 | 105 | — | — | 257 | ♦ Carcinogen |
| Manganese | 26 | 26 | — | — | 1,823 | |
| Nickel | 14 | 14 | — | — | 349 | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Diisocyanates | — | — | — | — | 3 | |
| Lead | 75 | 75 | — | — | 239 | ♦ Carcinogen |
| Manganese | 19 | 19 | — | — | 1,771 | |
| Nickel | 10 | 10 | — | — | 340 | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Diisocyanates | — | — | — | — | 4 | |
| Lead | 113 | 113 | — | — | 370 | ♦ Carcinogen |
| Manganese | 28 | 28 | — | — | 2,676 | |
| Nickel | 18 | 18 | — | — | 509 | ♦ Carcinogen |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Diisocyanates | — | — | — | — | 5 | |
| Lead | 150 | 150 | — | — | 160 | ♦ Carcinogen |
| Manganese | 37 | 37 | — | — | 2,373 | |
| Nickel | 21 | 21 | — | — | 1,373 | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Diisocyanates | — | — | — | — | 5 | |
| Lead | 153 | 153 | — | — | 163 | ♦ Carcinogen |
| Manganese | 38 | 38 | — | — | 2,597 | |
| Nickel | 21 | 21 | — | — | 1,590 | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Diisocyanates | — | — | — | — | 5 | |
| Lead | 155 | 155 | — | — | 155 | ♦ Carcinogen |
| Manganese | 39 | 39 | — | — | 2,699 | |
| Nickel | 22 | 22 | — | — | 1,761 | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Diisocyanates | — | — | — | — | 5 | |
| Lead | 160 | 160 | — | — | 1,138 | ♦ Carcinogen |
| Manganese | 40 | 40 | — | — | 5,226 | |
| Nickel | 23 | 23 | — | — | 453 | ♦ 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.
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 |
|---|---|---|---|---|---|
|
ACADIA METAL COMPANY
BELVIDERE, IL
|
Manganese | — | 1,170 | — | — |
|
ALTER TRADING [FORMERLY MILLER COMPRESSING CO.]
MILWAUKEE, WI
|
Manganese | — | 2,775 | — | — |
|
AMERICAN RESOURCE RECOVERY CORP [A.K.A. ZIGNAGO CO.]
MILWAUKEE, WI
|
Manganese | 153 | — | — | — |
|
VEOLIA ES TECHNICAL SOLUTIONS, LLC
MENOMONEE FALLS, WI
|
Manganese | 284 | — | — | — |
|
WM - ORCHARD RIDGE LANDFILL
MENOMONEE FALLS, WI
|
Manganese | 1,248 | — | — | — |
|
ACADIA METAL COMPANY
BELVIDERE, IL
|
Lead | — | 7 | — | — |
|
ALTER TRADING [FORMERLY MILLER COMPRESSING CO.]
MILWAUKEE, WI
|
Lead | — | 35 | — | — |
|
AMERICAN RESOURCE RECOVERY CORP [A.K.A. ZIGNAGO CO.]
MILWAUKEE, WI
|
Lead | 8 | — | — | — |
|
VEOLIA ES TECHNICAL SOLUTIONS, LLC
MENOMONEE FALLS, WI
|
Lead | 4 | — | — | — |
|
WM - ORCHARD RIDGE LANDFILL
MENOMONEE FALLS, WI
|
Lead | 30 | — | — | — |
|
WM - ORCHARD RIDGE LANDFILL
MENOMONEE FALLS, WI
|
Nickel | 1,311 | — | — | — |
|
AMERICAN RESOURCE RECOVERY CORP [A.K.A. ZIGNAGO CO.]
MILWAUKEE, WI
|
Nickel | 51 | — | — | — |
|
ALTER TRADING [FORMERLY MILLER COMPRESSING CO.]
MILWAUKEE, WI
|
Nickel | — | 1,387 | — | — |
|
ACADIA METAL COMPANY
BELVIDERE, IL
|
Nickel | — | 843 | — | — |
|
VEOLIA ES TECHNICAL SOLUTIONS, LLC
MENOMONEE FALLS, WI
|
Nickel | 339 | — | — | — |
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 | Mar 2, 2026 | — | Open |
| caa | FRV | Mar 2, 2026 | — | Open |
| caa | FRV | Jan 15, 2026 | — | Open |
| caa | FRV | Jan 15, 2026 | — | Open |
| caa | HPV | Nov 15, 2023 | Nov 11, 2024 | Resolved |
| caa | HPV | Nov 15, 2023 | Nov 11, 2024 | Resolved |
| caa | HPV | Nov 15, 2023 | Nov 11, 2024 | Resolved |
| caa | HPV | Nov 15, 2023 | Nov 11, 2024 | Resolved |
| caa | HPV | Nov 15, 2023 | Nov 11, 2024 | Resolved |
| caa | HPV | Nov 15, 2023 | Nov 11, 2024 | Resolved |
| caa | HPV | Nov 15, 2023 | Nov 11, 2024 | Resolved |
| caa | HPV | Nov 15, 2023 | Nov 11, 2024 | Resolved |
| caa | HPV | Nov 15, 2023 | Nov 11, 2024 | Resolved |
| caa | HPV | Nov 15, 2023 | Nov 11, 2024 | Resolved |
| caa | HPV | Nov 15, 2023 | Nov 11, 2024 | Resolved |
| caa | HPV | Nov 15, 2023 | Nov 11, 2024 | Resolved |
| caa | HPV | Nov 15, 2023 | Nov 11, 2024 | Resolved |
| caa | HPV | Nov 15, 2023 | Nov 11, 2024 | Resolved |
| caa | HPV | Nov 15, 2023 | Nov 11, 2024 | Resolved |
| caa | HPV | Nov 15, 2023 | Nov 11, 2024 | Resolved |
| caa | HPV | Nov 15, 2023 | Nov 11, 2024 | Resolved |
| caa | HPV | Nov 15, 2023 | Nov 11, 2024 | 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.
Warning Letter
Clean Air Act
· Case 3604840081 · Mar 12, 2026
Other facilities in MILWAUKEE County, WI
THIELE TANNING CO
MILWAUKEE, WI
· Manufacturing
SLINGER CHEESE, LLC
WAUWATOSA, WI
WMWI - METRO RECYCLING & DISPOSAL - LANDFILL
FRANKLIN, WI
· Administrative and Support and Waste Management
LJ PROPERTIES OF WISCONSIN LLC
MILWAUKEE, WI
· Manufacturing
ADAMS AUTO BODY SHOP
MILWAUKEE, WI
NORTHWEST GENERAL HOSPITAL
MILWAUKEE, WI