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
-
1101 HWY 69 S
MOUNT VERNON, IN 47620
View on map ↗ - County
- POSEY County
- Inspections
- 5 · last Nov 4, 2025
- Total Penalties
- $0 · last Feb 5, 2008
- Registry ID
- 110006767089
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.
5
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
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 | Schedule Event unachieved but reported | Nov 1, 2024 | Jan 28, 2025 | Resolved |
| cwa | Schedule Event achieved late but reported | Nov 1, 2024 | — | Open |
| cwa | Schedule Event unachieved and not reported | Nov 1, 2024 | Jan 28, 2025 | Resolved |
| cwa | Schedule Event reported late | Nov 1, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 1, 2022 | — | Open |
| cwa | Schedule Event unachieved and not reported | Nov 1, 2022 | Dec 9, 2022 | Resolved |
| cwa | Schedule Event reported late | Nov 1, 2022 | — | Open |
| cwa | Schedule Event unachieved but reported | Nov 1, 2022 | Dec 9, 2022 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Sep 15, 2022 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Feb 11, 2020 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Feb 11, 2020 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Nov 21, 2017 | — | 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 |
|---|---|---|---|---|---|---|
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 54.30 deg F | 53.00 | +2% | Jan 2025 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 53.90 deg F | 53.00 | +2% | Feb 2024 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 60.90 deg F | 53.00 | +15% | Jan 2024 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 66.70 deg F | 53.00 | +26% | Feb 2023 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 57.70 deg F | 53.00 | +9% | Jan 2023 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 67.10 deg F | 60.00 | +12% | Dec 2022 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 66.60 deg F | 63.00 | +6% | Mar 2022 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 62.60 deg F | 53.00 | +18% | Feb 2022 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 74.80 deg F | 60.00 | +25% | Dec 2021 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 65.40 deg F | 63.00 | +4% | Mar 2021 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 64.80 deg F | 53.00 | +22% | Feb 2021 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 59.80 deg F | 53.00 | +13% | Jan 2021 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 66.90 deg F | 60.00 | +12% | Dec 2020 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 65.60 deg F | 63.00 | +4% | Mar 2020 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 58.20 deg F | 53.00 | +10% | Feb 2020 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 61.20 deg F | 53.00 | +15% | Jan 2020 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 78.00 deg F | 73.00 | +7% | Apr 2019 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 66.90 deg F | 63.00 | +6% | Mar 2019 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 66.20 deg F | 53.00 | +25% | Feb 2019 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 60.20 deg F | 53.00 | +14% | Jan 2019 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 69.20 deg F | 60.00 | +15% | Dec 2018 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 61.50 deg F | 53.00 | +16% | Feb 2018 | Open |
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 5.90 mg/L | 5.00 | +18% | Feb 2018 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 60.40 deg F | 60.00 | +1% | Dec 2017 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 59.20 deg F | 53.00 | +12% | Feb 2017 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 53.60 deg F | 53.00 | +1% | Jan 2017 | Open |
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 6.30 mg/L | 5.00 | +26% | Jan 2017 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 63.10 deg F | 60.00 | +5% | Dec 2016 | Open |
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 5.90 mg/L | 5.00 | +18% | Sep 2016 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 65.10 deg F | 63.00 | +3% | Mar 2016 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 57.40 deg F | 53.00 | +8% | Feb 2016 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 58.10 deg F | 53.00 | +10% | Jan 2016 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Overdue | 58.10 deg F | 53.00 | +10% | Jan 2016 | Resolved |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 65.10 deg F | 60.00 | +9% | Dec 2015 | Open |
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 8.20 mg/L | 5.00 | +64% | Aug 2015 | Open |
| Temperature, water deg. fahrenheit | DMR, Limited - Numeric Violation | 55.80 deg F | 53.00 | +5% | Feb 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.
Judicial
· Case HQ-2006-6004 · Feb 5, 2008
$383,501
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