Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
SIMPSON LUMBER CO LLC
Quick Summary
- •Released 42 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 $1,000 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
100 N FRONT ST
SHELTON, WA 98584
View on map ↗ - County
- MASON County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 321113
- Inspections
- 8 · last Oct 29, 2025
- Total Penalties
- $1,000 · last Mar 29, 2024
- Registry ID
- 110067420222
How This Compares
#188
of 292 TRI reporters in WA
#10,663
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.
1
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
2
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)
-100% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 42 | — |
| 2018 | 0 | — |
| 2020 | 0 | — |
| 2021 | 0 | -5% |
| 2022 | 0 | -10% |
| 2023 | 0 | -11% |
| 2024 | 0 | 0% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Propiconazole | — | — | — | — | 18 | |
| Lead compounds | 42 | 42 | — | — | 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 |
|---|
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 | — | — | — | Open |
| caa | FRV | Sep 7, 2023 | — | Open |
| cwa | Schedule Event unachieved and not reported | May 15, 2016 | Jun 15, 2016 | Resolved |
| cwa | Schedule Event unachieved and not reported | May 15, 2016 | Jun 15, 2016 | Resolved |
| rcra | Standards for Used Oil: Generators | Feb 24, 2015 | May 15, 2015 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Feb 24, 2015 | May 15, 2015 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Feb 24, 2015 | May 15, 2015 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Feb 24, 2015 | May 15, 2015 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 5, 2014 | — | Open |
| cwa | Schedule Event achieved late but reported | May 15, 2013 | — | Open |
| rcra | Standards Applicable to Generators of HW: General | May 30, 2012 | Aug 17, 2012 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 30, 2012 | Aug 17, 2012 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | May 30, 2012 | Aug 17, 2012 | Resolved |
| cwa | Schedule Event achieved late but reported | May 15, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | May 15, 2011 | — | Open |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Jun 17, 2008 | Jul 25, 2008 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jun 17, 2008 | Jul 25, 2008 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jun 17, 2008 | Jul 25, 2008 | Resolved |
| rcra | Standards for Used Oil: Generators | Jun 17, 2008 | Jul 25, 2008 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | May 24, 2000 | May 24, 2000 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jun 2, 1992 | Jul 4, 1993 | Resolved |
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 |
|---|---|---|---|---|---|---|
| Chemical oxygen demand [COD] | DMR, Limited - Overdue | 184.93 mg/L | 120.00 | +54% | Mar 2021 | Resolved |
| Chemical oxygen demand [COD] | DMR, Limited - Numeric Violation | 184.93 mg/L | 120.00 | +54% | Mar 2021 | Open |
| Chemical oxygen demand [COD] | DMR, Limited - Numeric Violation | 149.00 mg/L | 120.00 | +24% | Mar 2020 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +15% | Mar 2015 | Open |
| Chemical oxygen demand [COD] | DMR, Limited - Numeric Violation | 134.50 mg/L | 120.00 | +12% | Mar 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 232.67 mg/L | 100.00 | +133% | Mar 2015 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.12 mg/L | 0.12 | +6% | Mar 2015 | Open |
| Chemical oxygen demand [COD] | DMR, Limited - Numeric Violation | 175.00 mg/L | 120.00 | +46% | Mar 2015 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.43 mg/L | 0.12 | +266% | Mar 2015 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.01 | +202% | Mar 2015 | Open |
| Chemical oxygen demand [COD] | DMR, Limited - Numeric Violation | 303.67 mg/L | 120.00 | +153% | Mar 2015 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +58% | Mar 2015 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.20 mg/L | 0.12 | +74% | Mar 2015 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.22 mg/L | 0.12 | +89% | Mar 2015 | Open |
| Chemical oxygen demand [COD] | DMR, Limited - Numeric Violation | 200.00 mg/L | 120.00 | +67% | Mar 2015 | Open |
| Chemical oxygen demand [COD] | DMR, Limited - Numeric Violation | 220.00 mg/L | 120.00 | +83% | Mar 2015 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +34% | Mar 2015 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.15 mg/L | 0.12 | +29% | Mar 2015 | Open |
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.
Notice of Violation
Clean Air Act
· Case 3604717841 · Jan 8, 2026
Administrative - Formal
Clean Air Act
· Case 3603961106 · Mar 29, 2024
$1,000
Notice of Violation
Clean Air Act
· Case 3603886742 · Jan 17, 2024
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-WAD980383376-001 · Jun 25, 2008
Administrative - Formal
· Case 10-2001-0192 · Oct 25, 2001
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-WAD980383376-000 · May 24, 2000
Other facilities in MASON County, WA
HIGHLAND PARK WATER SYSTEM
UNION, WA
BEL AIRE COVE WATER SYSTEM
BELFAIR, WA
ALLYN SHOPPING CENTER WELL
ALLYN, WA
HOODSPORT
, WA