Non-Compliance
Clean Water Act
HIBBING WWTP SOUTH PLANT
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $19,765 in total penalties since records began.
- Address
-
11669 TOWNLINE ROAD
HIBBING, MN 55746
View on map ↗ - County
- SAINT LOUIS County
- Inspections
- 4 · last Sep 18, 2025
- Total Penalties
- $19,765 · last Aug 25, 2023
- Registry ID
- 110000761220
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 | Effluent Violations - Unapproved Bypass | Apr 26, 2023 | — | Open |
| cwa | Management Practice Violations - Best Management Practice Deficiencies | Apr 19, 2023 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | May 31, 2022 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | May 12, 2022 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Apr 14, 2022 | — | Open |
| cwa | Effluent Violations - Unauthorized Discharge | Feb 25, 2022 | — | Open |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Feb 25, 2022 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Feb 25, 2022 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Mar 31, 2011 | Jul 16, 2012 | Resolved |
| cwa | Schedule Event reported late | Mar 1, 2011 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 1, 2011 | Jun 7, 2011 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 1, 2011 | — | Open |
| cwa | Schedule Event unachieved but reported | Mar 1, 2011 | Jun 7, 2011 | Resolved |
| cwa | Pretreatment - Failure to submit required report (non-DMR) | Feb 3, 2011 | — | Open |
| cwa | Management Practice Violations - Biosolids/Sewage Sludge Violation (Part 503 and State Regulations) | Jan 19, 2011 | — | Open |
| cwa | Schedule Event reported late | Dec 29, 2007 | — | Open |
| cwa | Schedule Event unachieved but reported | Dec 29, 2007 | Feb 27, 2008 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 29, 2007 | Feb 27, 2008 | Resolved |
| cwa | Schedule Event achieved late but reported | Dec 29, 2007 | — | Open |
| cwa | Schedule Event reported late | Sep 28, 2007 | — | Open |
| cwa | Schedule Event unachieved but reported | Sep 28, 2007 | Feb 27, 2008 | Resolved |
| cwa | Schedule Event unachieved and not reported | Sep 28, 2007 | Feb 27, 2008 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 28, 2007 | — | Open |
| cwa | Schedule Event achieved late but reported | Jun 21, 2005 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 21, 2005 | May 11, 2005 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 21, 2005 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 21, 2003 | — | Open |
| cwa | Schedule Event unachieved and not reported | Nov 21, 2003 | Oct 6, 2004 | Resolved |
| cwa | Schedule Event unachieved and not reported | Nov 21, 2002 | Dec 31, 2002 | Resolved |
| cwa | Schedule Event achieved late but reported | Nov 21, 2002 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jul 26, 1996 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jul 14, 1993 | Feb 23, 1995 | 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 |
|---|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.40 mg/L | 8.80 | +41% | Apr 2024 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 12.30 mg/L | 12.50 | +2% | Dec 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 84.00 % | 85.00 | +7% | Jun 2022 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 79.00 % | 85.00 | +40% | May 2022 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +762% | Apr 2020 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +851% | Apr 2020 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +733% | Apr 2020 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +806% | Apr 2020 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +106% | Mar 2019 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +178% | Mar 2019 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +132% | Mar 2019 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +150% | Mar 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 24.00 kg/d | 22.00 | +9% | Jul 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.00 mg/L | 1.30 | +54% | Jul 2016 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +28% | Jun 2016 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 11.70 mg/L | 12.50 | +6% | Mar 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.04 | +5% | Aug 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.04 | +5% | Apr 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.
State CWA Penalty AO
Clean Water Act
· Case MN-N00000837
State CWA Penalty AO
Clean Water Act
· Case MN-N00001031
State CWA Penalty AO
Clean Water Act
· Case MN-APO08252023 · Aug 25, 2023
$10,165
State CWA Penalty AO
Clean Water Act
· Case MN-APO02252022 · Feb 25, 2022
$9,600
State Administrative Order of Consent
Clean Water Act
· Case MN-SC071612 · Jul 16, 2012
State CWA Non Penalty AO
Clean Water Act
· Case MN-NV02222011 · Feb 22, 2011
State CWA Non Penalty AO
Clean Water Act
· Case MN-N00001099 · Mar 13, 2008
State CWA Non Penalty AO
Clean Water Act
· Case MN-N00000977 · Apr 23, 2002
State CWA Non Penalty AO
Clean Water Act
· Case MN-N00001141 · Sep 7, 2000
State CWA Penalty AO
Clean Water Act
· Case MN-N00000167 · Jun 26, 1996
CWA 309G2B AO For Class II Penalties
Clean Water Act
· Case 05-1993-N037 · Dec 19, 1994
$26,000
State CWA Penalty AO
Clean Water Act
· Case MN-N00000688 · Jul 19, 1993
CWA 309A AO For Compliance
Clean Water Act
· Case 05-1993-N038 · Jun 12, 1993
Civil Judicial Action
Clean Water Act
· Case MN-N00000143 · Aug 30, 1988
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