Non-Compliance
Clean Water Act
ROCKER WWTP
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
-
122030 NISSLER RD
ROCKER, MT 59701
View on map ↗ - County
- SILVER BOW County
- Inspections
- 1 · last Oct 31, 2023
- Total Penalties
- $0
- Registry ID
- 110040673946
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.
2
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 | Aug 18, 2020 | Dec 18, 2020 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Aug 18, 2020 | Dec 18, 2020 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Aug 18, 2020 | Dec 18, 2020 | Resolved |
| cwa | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | Aug 18, 2020 | Dec 18, 2020 | Resolved |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Aug 18, 2020 | Dec 18, 2020 | Resolved |
| cwa | Reporting Violations - Failure to Notify | Oct 21, 2013 | Dec 30, 2013 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | Oct 21, 2013 | Dec 30, 2013 | Resolved |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Oct 21, 2013 | Dec 30, 2013 | Resolved |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Oct 21, 2013 | Dec 30, 2013 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Oct 21, 2013 | Dec 30, 2013 | Resolved |
| cwa | Schedule Event unachieved and not reported | May 31, 2012 | Oct 5, 2023 | Resolved |
| cwa | Schedule Event reported late | May 31, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | May 31, 2012 | — | Open |
| cwa | Schedule Event unachieved but reported | May 31, 2012 | Oct 5, 2023 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Nov 22, 2010 | May 20, 2011 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Oct 27, 2004 | — | 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 |
|---|---|---|---|---|---|---|
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.12 mg/L | 0.10 | +26% | Feb 2023 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +23% | Feb 2023 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +23% | Jan 2023 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.11 mg/L | 0.10 | +14% | Jan 2023 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +4% | May 2022 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.10 | +5% | Mar 2022 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.11 mg/L | 0.10 | +12% | Feb 2022 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.13 mg/L | 0.10 | +35% | Nov 2021 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.13 mg/L | 0.12 | +4% | Nov 2021 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.14 mg/L | 0.12 | +17% | Apr 2021 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.14 mg/L | 0.10 | +52% | Apr 2021 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.11 mg/L | 0.10 | +18% | Mar 2021 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.14 mg/L | 0.10 | +45% | Feb 2021 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +4% | Feb 2021 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.14 mg/L | 0.12 | +12% | Feb 2021 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.01 | +123% | Jan 2021 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.01 | +174% | Jan 2021 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.14 mg/L | 0.12 | +13% | Jan 2021 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.14 mg/L | 0.10 | +46% | Jan 2021 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.01 | +123% | Dec 2020 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.01 | +174% | Dec 2020 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +38% | Nov 2020 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +70% | Nov 2020 | Resolved |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 1,800.00 MPN/100mL | 252.00 | +614% | Oct 2020 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +31% | Oct 2020 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +60% | Oct 2020 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +51% | Sep 2020 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +23% | Sep 2020 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.10 | +5% | Aug 2020 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.01 | +200% | Aug 2020 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.01 | +268% | Aug 2020 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.01 | +100% | Jul 2020 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 58.00 mg/L | 42.00 | +38% | Jul 2020 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 53.92 % | 65.00 | +32% | Jul 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 82.00 mg/L | 63.00 | +30% | Jul 2020 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.01 | +145% | Jul 2020 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.01 | +169% | Jun 2020 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 13.08 kg/d | 12.26 | +7% | Jun 2020 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.01 | +230% | Jun 2020 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.10 | +5% | Jun 2020 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 79.00 mg/L | 42.00 | +88% | Jun 2020 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 3.54 kg/d | 2.91 | +22% | Jun 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 90.00 mg/L | 63.00 | +43% | Jun 2020 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 29.69 % | 65.00 | +101% | Jun 2020 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.01 | +223% | May 2020 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 36.00 mg/L | 29.00 | +24% | May 2020 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 49.11 % | 65.00 | +45% | May 2020 | Open |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.10 | +8% | May 2020 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 57.00 mg/L | 42.00 | +36% | May 2020 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.01 | +296% | May 2020 | Resolved |
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 Administrative Order of Consent
Clean Water Act
· Case MT-FID2041 · May 19, 2011
CWA 309A AO For Compliance
Clean Water Act
· Case 08-1993-N002 · Jan 20, 1993
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