TRI Reporter
Clean Air Act
RCRA
SIERRA CORP
Quick Summary
- •Released 15,719 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Assessed $0 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
11400 WEST 47TH STREET
MINNETONKA, MN 55343
View on map ↗ - County
- HENNEPIN County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325510
- Inspections
- 1 · last Aug 26, 2025
- Total Penalties
- $0 · last Jun 3, 2019
- Registry ID
- 110000424933
How This Compares
#92
of 421 TRI reporters in MN
#3,215
of 16,877 TRI reporters in Manufacturing
Ranked by most recent year's total TRI releases.
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)
-34% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 20,577 | — |
| 2016 | 22,465 | +9% |
| 2017 | 15,719 | -30% |
| 2018 | 14,609 | -7% |
| 2019 | 14,746 | +1% |
| 2020 | 16,118 | +9% |
| 2021 | 19,904 | +23% |
| 2022 | 14,700 | -26% |
| 2023 | 14,547 | -1% |
| 2024 | 13,635 | -6% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl isobutyl ketone | — | — | — | — | — | ♦ Carcinogen |
| Cumene | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | 6,820 | 6,820 | — | — | 6,347 | |
| 1,2,4-Trimethylbenzene | 2,985 | 2,985 | — | — | — | |
| Certain glycol ethers | 1,181 | 1,181 | — | — | 7,982 | |
| Ethylbenzene | 1,160 | 1,160 | — | — | 6,347 | ♦ Carcinogen |
| Toluene | 900 | 900 | — | — | 6,347 | |
| sec-Butyl alcohol | 589 | 589 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl isobutyl ketone | — | — | — | — | — | ♦ Carcinogen |
| Dibutyl phthalate | — | — | — | — | — | |
| Xylene (mixed isomers) | 7,820 | 7,820 | — | — | 6,166 | |
| 1,2,4-Trimethylbenzene | 3,508 | 3,508 | — | — | — | |
| Ethylbenzene | 1,320 | 1,320 | — | — | 6,166 | ♦ Carcinogen |
| Toluene | 840 | 840 | — | — | 6,166 | |
| Cumene | 540 | 540 | — | — | — | ♦ Carcinogen |
| Certain glycol ethers | 519 | 519 | — | — | 7,733 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| sec-Butyl alcohol | — | — | — | — | — | |
| Methyl isobutyl ketone | — | — | — | — | — | ♦ Carcinogen |
| Cumene | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | 8,020 | 8,020 | — | — | 4,463 | |
| 1,2,4-Trimethylbenzene | 3,470 | 3,470 | — | — | — | |
| Ethylbenzene | 1,340 | 1,340 | — | — | 4,463 | ♦ Carcinogen |
| Certain glycol ethers | 990 | 990 | — | — | 5,950 | |
| Toluene | 880 | 880 | — | — | 4,463 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl isobutyl ketone | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | 9,420 | 9,420 | — | — | 5,003 | |
| 1,2,4-Trimethylbenzene | 4,338 | 4,338 | — | — | — | |
| Certain glycol ethers | 2,089 | 2,089 | — | — | 6,670 | |
| Ethylbenzene | 1,580 | 1,580 | — | — | 5,003 | ♦ Carcinogen |
| sec-Butyl alcohol | 1,063 | 1,063 | — | — | — | |
| Toluene | 840 | 840 | — | — | 5,003 | |
| Cumene | 574 | 574 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cumene | — | — | — | — | — | ♦ Carcinogen |
| Methyl isobutyl ketone | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | 8,980 | 8,980 | — | — | 4,933 | |
| 1,2,4-Trimethylbenzene | 3,716 | 3,716 | — | — | — | |
| Ethylbenzene | 1,520 | 1,520 | — | — | 4,933 | ♦ Carcinogen |
| Certain glycol ethers | 1,142 | 1,142 | — | — | 7,892 | |
| Toluene | 760 | 760 | — | — | 4,933 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl isobutyl ketone | — | — | — | — | — | ♦ Carcinogen |
| Cumene | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | 8,492 | 8,492 | — | — | 1,974 | |
| 1,2,4-Trimethylbenzene | 2,965 | 2,965 | — | — | — | |
| Ethylbenzene | 1,450 | 1,450 | — | — | 1,974 | ♦ Carcinogen |
| Toluene | 736 | 736 | — | — | 1,974 | |
| Certain glycol ethers | 665 | 665 | — | — | 3,158 | |
| Dibutyl phthalate | 438 | 438 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl isobutyl ketone | — | — | — | — | — | ♦ Carcinogen |
| Nonylphenol | — | — | — | — | — | |
| Cumene | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | 8,464 | 8,464 | — | — | 1,974 | |
| 1,2,4-Trimethylbenzene | 2,942 | 2,942 | — | — | — | |
| Ethylbenzene | 1,508 | 1,508 | — | — | 1,974 | ♦ Carcinogen |
| Toluene | 922 | 922 | — | — | 1,974 | |
| Certain glycol ethers | 773 | 773 | — | — | 3,158 |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl isobutyl ketone | — | — | — | — | — | ♦ Carcinogen |
| Cumene | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | 9,624 | 9,624 | — | — | 4,902 | |
| 1,2,4-Trimethylbenzene | 2,630 | 2,630 | — | — | — | |
| Ethylbenzene | 1,696 | 1,696 | — | — | 4,902 | ♦ Carcinogen |
| Toluene | 984 | 984 | — | — | 4,902 | |
| Certain glycol ethers | 785 | 785 | — | — | 7,844 |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl isobutyl ketone | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | 10,530 | 10,530 | — | — | 38,520 | |
| 1,2,4-Trimethylbenzene | 7,517 | 7,517 | — | — | — | |
| Ethylbenzene | 1,810 | 1,810 | — | — | 9,630 | ♦ Carcinogen |
| Toluene | 1,112 | 1,112 | — | — | 59,706 | |
| Certain glycol ethers | 948 | 948 | — | — | 7,704 | |
| Cumene | 548 | 548 | — | — | — | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cumene | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | 9,924 | 9,924 | — | — | 39,470 | |
| 1,2,4-Trimethylbenzene | 6,332 | 6,332 | — | — | — | |
| Ethylbenzene | 1,715 | 1,715 | — | — | — | ♦ Carcinogen |
| Toluene | 1,102 | 1,102 | — | — | 61,179 | |
| Certain glycol ethers | 840 | 840 | — | — | 9,784 | |
| Methyl isobutyl ketone | 664 | 664 | — | — | — | ♦ 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.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| Certain glycol ethers | — | 7,982 | — | — |
| Toluene | — | 5,996 | — | — |
| Xylene (mixed isomers) | — | 5,996 | — | — |
| Ethylbenzene | — | 5,996 | — | — |
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 |
|---|---|---|---|---|---|
|
WRR ENVIRONMENTAL SERVICES CO INC
EAU CLAIRE, WI
|
Xylene (mixed isomers) | 351 | — | — | — |
|
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
|
Xylene (mixed isomers) | — | 10 | — | — |
|
WRR ENVIRONMENTAL SERVICES CO INC
EAU CLAIRE, WI
|
Toluene | 351 | — | — | — |
|
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
|
Toluene | — | 10 | — | — |
|
WRR ENVIRONMENTAL SERVICES CO INC
EAU CLAIRE, WI
|
Ethylbenzene | — | 5,986 | — | — |
|
TRADEBE TREATMENT & RECYCLING LLC
EAST CHICAGO, IN
|
Ethylbenzene | — | 10 | — | — |
|
WRR ENVIRONMENTAL SERVICES CO INC
EAU CLAIRE, WI
|
Certain glycol ethers | — | 7,982 | — | — |
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 Applicable to Generators of HW: General | Jan 28, 2021 | Feb 15, 2021 | Resolved |
| caa | FRV | Dec 4, 2019 | — | Open |
| caa | FRV | Jan 3, 2019 | — | Open |
| rcra | Standards Applicable to Generators of HW: General | Oct 12, 2017 | Oct 12, 2017 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Dec 11, 2014 | Feb 24, 2015 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Dec 11, 2014 | Feb 24, 2015 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Mar 28, 2007 | Jun 7, 2007 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Mar 28, 2007 | Jun 7, 2007 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jun 20, 2002 | Nov 7, 2002 | 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 3602196738 · Jan 23, 2020
Administrative - Formal
Clean Air Act
· Case 3601925641 · Jun 3, 2019
$2,050
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-MND985667252-001 · May 1, 2007
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