Non-Compliance
Clean Water Act
MASON STP, TOWN OF
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
-
NORTH EAST CORNER OF MASON
MASON, IL 62443
View on map ↗ - County
- EFFINGHAM County
- Inspections
- 1 · last Apr 21, 2022
- Total Penalties
- $0
- Registry ID
- 110009984277
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.
4
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 reported late | Jan 31, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2017 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 31, 2017 | Nov 28, 2017 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2017 | Nov 28, 2017 | Resolved |
| cwa | Schedule Event reported late | Jan 31, 2016 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 31, 2016 | Nov 28, 2017 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2016 | Nov 28, 2017 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 31, 2016 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 31, 2015 | Nov 28, 2017 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2015 | Nov 28, 2017 | Resolved |
| cwa | Schedule Event reported late | Jan 31, 2015 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2015 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2010 | — | 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 |
|---|---|---|---|---|---|---|
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 3.30 mg/L | 6.00 | +45% | Aug 2025 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.80 mg/L | 6.00 | +20% | Oct 2024 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.50 mg/L | 6.00 | +8% | May 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 14.53 kg/d | 12.26 | +19% | Feb 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 32.00 mg/L | 25.00 | +28% | Feb 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 24.06 kg/d | 19.98 | +20% | Feb 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 54.00 mg/L | 40.00 | +35% | Feb 2024 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 2.94 mg/L | 6.00 | +51% | Sep 2022 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 2.76 mg/L | 6.00 | +54% | Aug 2022 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 2.50 mg/L | 6.00 | +58% | Jun 2022 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.80 mg/L | 6.00 | +3% | May 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 40.00 mg/L | 37.00 | +8% | May 2017 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 28.00 mg/L | 25.00 | +12% | Feb 2017 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.70 mg/L | 6.00 | +5% | Jul 2016 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 3.80 mg/L | 6.00 | +37% | Jun 2016 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.20 mg/L | 6.00 | +13% | Apr 2016 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.10 mg/L | 6.00 | +15% | Jul 2015 | Open |
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