EmissionsLookup
Non-Compliance Clean Water Act

HOBSON SEWAGE TREATMENT PLANT

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
EAST END OF 1ST ST SOUTH
HOBSON, MT 59452
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County
JUDITH BASIN County
Industry
Utilities
NAICS (North American Industry Classification)
221320
Inspections
2 · last Oct 15, 2025
Total Penalties
$0
Registry ID
110009860463

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

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 Management Practice Violations - Failure to Maintain Records Oct 15, 2025 Dec 12, 2025 Resolved
cwa Monitoring Violations - Improper Analysis or Lab Error Oct 15, 2025 Dec 12, 2025 Resolved
cwa Reporting Violations - Improper/ Incorrect Reporting Oct 15, 2025 Dec 12, 2025 Resolved
cwa Reporting Violations - Failure to Submit DMRs Oct 15, 2025 Dec 12, 2025 Resolved
cwa Reporting Violations - Improper/ Incorrect Reporting Apr 14, 2021 Oct 14, 2021 Resolved
cwa Reporting Violations - Failure to Submit DMRs Apr 14, 2021 Oct 14, 2021 Resolved
cwa Effluent Violations - Numeric effluent violation Mar 19, 2015 May 5, 2015 Resolved
cwa Management Practice Violations - Failure to Develop/Enforce Standards Mar 19, 2015 May 5, 2015 Resolved
cwa Reporting Violations - Improper/ Incorrect Reporting Mar 19, 2015 May 5, 2015 Resolved
cwa Monitoring Violations - Invalid/Unrepresentative Sample Mar 19, 2015 May 5, 2015 Resolved
cwa Management Practice Violations - Failure to Maintain Records Mar 19, 2015 May 5, 2015 Resolved
cwa Monitoring Violations - Analysis not Conducted Mar 3, 2010 Aug 13, 2010 Resolved
cwa Reporting Violations - Improper/ Incorrect Reporting Mar 3, 2010 Aug 13, 2010 Resolved
cwa Effluent Violations - Numeric effluent violation Mar 3, 2010 Aug 13, 2010 Resolved
cwa Management Practice Violations - Failure to Maintain Records Mar 3, 2010 Aug 13, 2014 Resolved
cwa Permit Violations - Violation Specified in Comment Jan 28, 2005 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
E. coli, MTEC-MF DMR, Limited - Numeric Violation 32,000.00 MPN/100mL 126.00 +25,297% Apr 2025 Open
E. coli, MTEC-MF DMR, Limited - Numeric Violation 32,000.00 MPN/100mL 252.00 +12,598% Apr 2025 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 9.99 kg/d 6.63 +51% May 2023 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 69.00 mg/L 45.00 +53% May 2023 Open
Solids, suspended percent removal DMR, Limited - Numeric Violation 40.00 % 65.00 +71% Mar 2022 Open
BOD, 5-day, percent removal DMR, Limited - Overdue 56.00 % 65.00 +26% Nov 2021 Open
BOD, 5-day, percent removal DMR, Limited - Numeric Violation 56.00 % 65.00 +26% Nov 2021 Open
E. coli, MTEC-MF DMR, Limited - Numeric Violation 260.00 MPN/100mL 252.00 +3% Oct 2021 Open
BOD, 5-day, percent removal DMR, Limited - Numeric Violation 56.00 % 65.00 +26% Oct 2021 Open
E. coli, MTEC-MF DMR, Limited - Numeric Violation 260.00 MPN/100mL 126.00 +106% Oct 2021 Open
E. coli, MTEC-MF DMR, Limited - Numeric Violation 170.00 MPN/100mL 126.00 +35% May 2021 Open
E. coli, MTEC-MF DMR, Limited - Numeric Violation 5,800.00 MPN/100mL 630.00 +821% Nov 2020 Open
BOD, 5-day, percent removal DMR, Limited - Numeric Violation 44.00 % 65.00 +60% May 2020 Open
Solids, suspended percent removal DMR, Limited - Numeric Violation 36.00 % 65.00 +83% Jun 2019 Open
BOD, 5-day, percent removal DMR, Limited - Overdue 62.00 % 65.00 +9% Jun 2019 Open
BOD, 5-day, percent removal DMR, Limited - Numeric Violation 62.00 % 65.00 +9% Jun 2019 Open
Solids, suspended percent removal DMR, Limited - Overdue 36.00 % 65.00 +83% Jun 2019 Open
Solids, suspended percent removal DMR, Limited - Numeric Violation 62.00 % 65.00 +9% Apr 2019 Open
E. coli, MTEC-MF DMR, Limited - Numeric Violation 7,700.00 MPN/100mL 126.00 +6,011% Oct 2018 Open
E. coli, MTEC-MF DMR, Limited - Numeric Violation 7,700.00 MPN/100mL 252.00 +2,956% Oct 2018 Open
BOD, 5-day, percent removal DMR, Limited - Overdue 64.00 % 65.00 +3% Apr 2018 Open
BOD, 5-day, percent removal DMR, Limited - Numeric Violation 64.00 % 65.00 +3% Apr 2018 Open
Solids, suspended percent removal DMR, Limited - Numeric Violation 33.00 % 65.00 +91% Apr 2018 Open
Solids, suspended percent removal DMR, Limited - Overdue 35.00 % 65.00 +86% Mar 2018 Open
Solids, suspended percent removal DMR, Limited - Numeric Violation 35.00 % 65.00 +86% Mar 2018 Open
Solids, suspended percent removal DMR, Limited - Numeric Violation 47.00 % 65.00 +51% Mar 2017 Open
Solids, suspended percent removal DMR, Limited - Numeric Violation 54.00 % 65.00 +31% Oct 2016 Open
BOD, 5-day, 20 deg. C DMR, Limited - Overdue 13.17 kg/d 9.58 +37% Apr 2016 Resolved
BOD, 5-day, percent removal DMR, Limited - Numeric Violation 52.00 % 65.00 +37% Apr 2016 Open
Solids, suspended percent removal DMR, Limited - Numeric Violation 61.00 % 65.00 +11% Apr 2016 Open
BOD, 5-day, 20 deg. C DMR, Limited - Overdue 10.21 kg/d 6.63 +54% Apr 2016 Resolved
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 10.21 kg/d 6.63 +54% Apr 2016 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 13.17 kg/d 9.58 +37% Apr 2016 Open
Solids, suspended percent removal DMR, Limited - Numeric Violation 35.00 % 65.00 +86% Mar 2016 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 8.17 kg/d 6.63 +23% Feb 2016 Open
BOD, 5-day, percent removal DMR, Limited - Numeric Violation 32.00 % 65.00 +94% Feb 2016 Open
Solids, suspended percent removal DMR, Limited - Numeric Violation 32.00 % 65.00 +94% Feb 2016 Open
E. coli, MTEC-MF DMR, Limited - Numeric Violation 730.00 MPN/100mL 630.00 +16% Nov 2015 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 11.80 kg/d 6.63 +78% Nov 2015 Open
Solids, total suspended DMR, Limited - Numeric Violation 23.61 kg/d 14.75 +60% Nov 2015 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 11.80 kg/d 9.58 +23% Mar 2015 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 7.26 kg/d 6.63 +10% Mar 2015 Open

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