Non-Compliance
Clean Water Act
MATHESON TRI-GAS, INC.
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- Address
-
2009 EVERGREEN RD
WESTLAKE, LA 70669
View on map ↗ - County
- CALCASIEU County
- Inspections
- 1 · last Mar 17, 2022
- Total Penalties
- $0
- Registry ID
- 110064429337
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.
11
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
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 |
|---|---|---|---|---|---|---|
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.01 kg/d | 0.00 | +2,048% | Dec 2025 | Open |
| Cyanide, total [as CN] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +63% | Dec 2025 | Open |
| Phenolics, total recoverable | DMR, Limited - Numeric Violation | 0.10 kg/d | 0.06 | +77% | Dec 2025 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +180% | Sep 2025 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +54% | Sep 2025 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +43% | Jun 2025 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +111% | Mar 2025 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +85% | Dec 2024 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +567% | Dec 2024 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +180% | Sep 2024 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +275% | Sep 2024 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +180% | Jun 2024 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +149% | Mar 2024 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +180% | Mar 2024 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +180% | Dec 2023 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +50% | Dec 2023 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +176% | Sep 2023 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +25% | Jun 2023 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +176% | Jun 2023 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +176% | Mar 2023 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +176% | Dec 2022 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.01 kg/d | 0.01 | +23% | Jun 2022 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +33% | Jun 2022 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.01 kg/d | 0.01 | +8% | Sep 2019 | Open |
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