Non-Compliance
Clean Water Act
SUN PRAIRIE VILLAGE 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
-
1047 GRANT DRIVE
GREAT FALLS, MT 59404
View on map ↗ - County
- CASCADE County
- Inspections
- 1 · last Jan 26, 2023
- Total Penalties
- $0 · last Oct 28, 2015
- Registry ID
- 110010826222
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.
8
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 | Monitoring Violations - No Flow Measurement Device | Jan 26, 2023 | Apr 26, 2023 | Resolved |
| cwa | Monitoring Violations - Frequency of Sampling Violation | Jan 26, 2023 | Apr 26, 2023 | Resolved |
| cwa | Reporting Violations - Late Submittal of DMRs | Jan 26, 2023 | Apr 26, 2023 | Resolved |
| cwa | Monitoring Violations - Analysis not Conducted | Jan 26, 2023 | Apr 26, 2023 | Resolved |
| cwa | Monitoring Violations - Frequency of Sampling Violation | Feb 19, 2019 | Jul 9, 2019 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Feb 19, 2019 | Jul 9, 2019 | Resolved |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Feb 19, 2019 | Jul 9, 2019 | Resolved |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Feb 19, 2019 | Jul 9, 2019 | Resolved |
| cwa | Management Practice Violations - Failure to Conduct Inspections | Feb 19, 2019 | Jul 9, 2019 | Resolved |
| cwa | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | Feb 19, 2019 | Jul 9, 2019 | Resolved |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Feb 25, 2014 | Mar 3, 2014 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Feb 25, 2014 | Feb 27, 2014 | Resolved |
| cwa | Reporting Violations - Failure to Submit DMRs | Feb 25, 2014 | Feb 27, 2014 | Resolved |
| cwa | Schedule Event unachieved and not reported | Oct 14, 2013 | Jan 13, 2014 | Resolved |
| cwa | Schedule Event reported late | Dec 16, 2010 | — | Open |
| cwa | Schedule Event unachieved but reported | Dec 16, 2010 | — | Open |
| cwa | Schedule Event unachieved and not reported | Dec 16, 2010 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 16, 2010 | — | Open |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Nov 30, 2009 | Jan 14, 2010 | Resolved |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Nov 30, 2009 | Jan 14, 2010 | Resolved |
| cwa | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | Nov 30, 2009 | Sep 16, 2010 | Resolved |
| cwa | Reporting Violations - Late Submittal of DMRs | Nov 30, 2009 | Sep 16, 2010 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Nov 30, 2009 | Jan 14, 2010 | 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 |
|---|---|---|---|---|---|---|
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 22.00 % | 65.00 | +123% | Aug 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 54.00 % | 65.00 | +31% | May 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.50 mg/L | 7.60 | +12% | Mar 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 102.00 mg/L | 100.00 | +2% | Nov 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 134.00 mg/L | 100.00 | +34% | Oct 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 18.00 % | 65.00 | +134% | Oct 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 36.00 % | 65.00 | +83% | Apr 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 63.00 % | 65.00 | +6% | Oct 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 26.00 % | 65.00 | +111% | Sep 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 17.20 mg/L | 12.20 | +41% | Jun 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 17.20 mg/L | 7.60 | +126% | Jun 2023 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 54.00 % | 65.00 | +31% | May 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 26.50 mg/L | 12.20 | +117% | May 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 26.50 mg/L | 7.60 | +249% | May 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 24.20 mg/L | 7.60 | +218% | Apr 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 24.20 mg/L | 12.20 | +98% | Apr 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 25.60 mg/L | 7.60 | +237% | Mar 2023 | Resolved |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 681.00 MPN/100mL | 630.00 | +8% | Mar 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 25.60 mg/L | 12.20 | +110% | Mar 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 46.00 mg/L | 45.00 | +2% | Mar 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 20.00 mg/L | 7.60 | +163% | Feb 2023 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 48.00 mg/L | 45.00 | +7% | Feb 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 20.00 mg/L | 12.20 | +64% | Feb 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 14.90 mg/L | 7.60 | +96% | Jan 2023 | Resolved |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 778.00 MPN/100mL | 630.00 | +23% | Jan 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 14.90 mg/L | 12.20 | +22% | Jan 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 60.00 % | 65.00 | +14% | Dec 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.90 mg/L | 7.60 | +30% | Dec 2022 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 19.00 % | 65.00 | +131% | Nov 2022 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 60.00 mg/L | 45.00 | +33% | Nov 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.80 mg/L | 7.60 | +82% | Aug 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.80 mg/L | 12.20 | +13% | Aug 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 16.70 mg/L | 12.20 | +37% | Jul 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 16.70 mg/L | 7.60 | +120% | Jul 2022 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 48.00 % | 65.00 | +49% | Jun 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 15.60 mg/L | 12.20 | +28% | Jun 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 15.60 mg/L | 7.60 | +105% | Jun 2022 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 47.00 % | 65.00 | +51% | May 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 22.90 mg/L | 7.60 | +201% | May 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 22.90 mg/L | 12.20 | +88% | May 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 26.00 mg/L | 7.60 | +242% | Apr 2022 | Resolved |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 120,000.00 MPN/100mL | 252.00 | +47,519% | Apr 2022 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 46.00 mg/L | 45.00 | +2% | Apr 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 26.00 mg/L | 12.20 | +113% | Apr 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 12,000.00 MPN/100mL | 126.00 | +9,424% | Apr 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 3,178.05 MPN/100mL | 630.00 | +404% | Mar 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Overdue | 3,178.05 MPN/100mL | 630.00 | +404% | Mar 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 18.30 mg/L | 7.60 | +141% | Mar 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 18.30 mg/L | 12.20 | +50% | Mar 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Overdue | 2,987.80 MPN/100mL | 630.00 | +374% | Feb 2022 | 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-FID1948 · Sep 16, 2010
$1,500
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