Non-Compliance
Clean Water Act
CITY OF BILLINGS WASTEWATER 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
-
725 HIGHWAY 87 EAST
BILLINGS, MT 59101
View on map ↗ - County
- YELLOWSTONE County
- Inspections
- 3 · last Jul 2, 2024
- Total Penalties
- $0 · last Jun 30, 2009
- Registry ID
- 110000711016
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.
12
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 achieved late but reported | Feb 15, 2025 | — | Open |
| cwa | Schedule Event unachieved but reported | Feb 15, 2025 | Jan 26, 2026 | Resolved |
| cwa | Schedule Event reported late | Feb 15, 2025 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 15, 2025 | Jan 26, 2026 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 28, 2024 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 14, 2022 | Mar 29, 2022 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 14, 2022 | — | Open |
| cwa | Schedule Event reported late | Jan 14, 2022 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 14, 2022 | Mar 29, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 15, 2019 | Mar 18, 2019 | Resolved |
| cwa | Schedule Event achieved late but reported | May 18, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2016 | Apr 10, 2017 | Resolved |
| cwa | Schedule Event unachieved but reported | Dec 31, 2016 | Apr 10, 2017 | Resolved |
| cwa | Schedule Event reported late | Dec 31, 2016 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 31, 2016 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 28, 2016 | — | Open |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Dec 29, 2014 | Jan 5, 2015 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Nov 26, 2014 | Dec 3, 2014 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Jul 17, 2014 | Jul 29, 2014 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Jul 16, 2014 | Jul 29, 2014 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Jun 10, 2014 | Jun 24, 2014 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Apr 11, 2014 | Apr 22, 2014 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Mar 10, 2014 | Apr 7, 2014 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Mar 5, 2014 | Apr 7, 2014 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Feb 6, 2014 | Feb 14, 2014 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jan 14, 2014 | Mar 13, 2014 | Resolved |
| cwa | Monitoring Violations - Frequency of Sampling Violation | Jan 14, 2014 | Mar 13, 2014 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Jan 5, 2014 | Jan 10, 2014 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Dec 23, 2013 | Jan 6, 2014 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Dec 16, 2013 | Jan 6, 2014 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Nov 22, 2013 | Nov 27, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Nov 18, 2013 | Nov 27, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Jul 12, 2013 | Jul 23, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Jun 17, 2013 | Jun 26, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Jun 10, 2013 | Jun 18, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | May 24, 2013 | Jun 4, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | May 11, 2013 | Jun 4, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | May 8, 2013 | May 15, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Apr 6, 2013 | Apr 17, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Mar 27, 2013 | Apr 4, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Mar 27, 2013 | Apr 4, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Mar 18, 2013 | Mar 25, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Feb 9, 2013 | Feb 20, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Feb 4, 2013 | Feb 13, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Jan 16, 2013 | Jan 28, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Jan 6, 2013 | Jan 7, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Dec 28, 2012 | Jan 15, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Dec 27, 2012 | Jan 15, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Dec 22, 2012 | Jan 11, 2013 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Oct 24, 2012 | Nov 2, 2012 | 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 | 5.55 mg/L | 5.50 | +1% | Nov 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.50 mg/L | 5.50 | +91% | Oct 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 5,156.99 kg/d | 4,430.13 | +16% | Jul 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 46.00 mg/L | 45.00 | +2% | Jul 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 138.61 MPN/100mL | 252.00 | +99,999% | Jul 2020 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 36.40 MPN/100mL | 126.00 | +99,999% | Jun 2020 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 69.00 % | 85.00 | +107% | Feb 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 3,281.06 kg/d | 2,953.27 | +11% | Feb 2020 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.90 mg/L | 5.50 | +153% | Feb 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 6,084.96 kg/d | 4,430.13 | +37% | Feb 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 45.00 mg/L | 30.00 | +50% | Feb 2020 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.45 mg/L | 4.00 | +61% | Feb 2020 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 80.00 mg/L | 45.00 | +78% | Feb 2020 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 32.00 % | 85.00 | +353% | Jan 2020 | Open |
| BOD, carbonaceous, percent removal | DMR, Limited - Numeric Violation | 82.00 % | 85.00 | +20% | Jan 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 99.00 mg/L | 30.00 | +230% | Jan 2020 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.10 mg/L | 5.50 | +138% | Jan 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.70 mg/L | 4.00 | +93% | Jan 2020 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 15,004.25 kg/d | 4,430.13 | +239% | Jan 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 7,613.58 kg/d | 2,953.27 | +158% | Jan 2020 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 200.00 mg/L | 45.00 | +344% | Jan 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.07 mg/L | 5.50 | +10% | Dec 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 59.00 mg/L | 45.00 | +31% | Dec 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 3,046.34 kg/d | 2,953.27 | +3% | Dec 2019 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 40.00 mg/L | 30.00 | +33% | Dec 2019 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 71.00 % | 85.00 | +93% | Dec 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 49.00 mg/L | 45.00 | +9% | Mar 2019 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 81.00 % | 85.00 | +27% | Feb 2019 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 81.00 % | 85.00 | +27% | Apr 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 73.30 mg/L | 45.00 | +63% | Apr 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 5,183.32 kg/d | 4,430.13 | +17% | Apr 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 30.70 mg/L | 30.00 | +2% | Apr 2018 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 842.30 MPN/100mL | 252.00 | +234% | Apr 2018 | 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.
Administrative - Formal
· Case 08-2017-0097 · Sep 26, 2017
Administrative - Formal
· Case 08-2009-0214 · Sep 25, 2009
Administrative - Formal
· Case 08-2009-0127 · Jun 30, 2009
$900
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