Non-Compliance
Clean Water Act
MARYVILLE 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
-
HIGHWAY 136 EAST
MARYVILLE, MO 64468
View on map ↗ - County
- NODAWAY County
- Inspections
- 6 · last Nov 25, 2025
- Total Penalties
- $0 · last Sep 28, 2009
- Registry ID
- 110000733751
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.
11
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 | Pretreatment - Failure to Develop/Enforce Standards | Feb 7, 2023 | — | Open |
| cwa | Pretreatment - Failure to Develop/Enforce Standards | Dec 15, 2022 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Mar 29, 2021 | Apr 20, 2021 | Resolved |
| cwa | Pretreatment - Failure to Develop/Enforce Standards | Feb 27, 2018 | Apr 19, 2018 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jan 25, 2018 | Apr 19, 2018 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Dec 7, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 28, 2016 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 28, 2015 | — | Open |
| cwa | Schedule Event unachieved but reported | Oct 31, 2011 | Feb 28, 2012 | Resolved |
| cwa | Schedule Event achieved late but reported | Oct 31, 2011 | — | Open |
| cwa | Schedule Event unachieved and not reported | Oct 31, 2011 | Feb 28, 2012 | Resolved |
| cwa | Schedule Event reported late | Oct 31, 2011 | — | Open |
| cwa | Schedule Event unachieved and not reported | Apr 30, 2011 | Feb 28, 2012 | Resolved |
| cwa | Schedule Event reported late | Apr 30, 2011 | — | Open |
| cwa | Schedule Event unachieved but reported | Apr 30, 2011 | Feb 28, 2012 | Resolved |
| cwa | Schedule Event achieved late but reported | Apr 30, 2011 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 31, 2010 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2007 | Aug 6, 2007 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 31, 2007 | — | 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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 53.00 mg/L | 45.00 | +18% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 17.40 mg/L | 12.40 | +40% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 17.40 mg/L | 2.60 | +569% | Jan 2026 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.00 | +317% | Jun 2025 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +111% | Jun 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 1,030.00 | +99,999% | Jun 2025 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 82.00 % | 85.00 | +20% | Mar 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.90 mg/L | 2.60 | +127% | Mar 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 14.80 mg/L | 12.40 | +19% | Feb 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 14.80 mg/L | 2.60 | +469% | Feb 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.80 mg/L | 2.60 | +85% | Nov 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.60 mg/L | 2.60 | +38% | Oct 2023 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 2,419.50 MPN/100mL | 1,030.00 | +135% | Sep 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,553.00 MPN/100mL | 1,030.00 | +51% | Aug 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 50.80 mg/L | 45.00 | +13% | Aug 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.62 mg/L | 2.60 | +193% | Mar 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.60 mg/L | 12.40 | +2% | Mar 2022 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 84.10 % | 85.00 | +6% | Feb 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.07 mg/L | 2.60 | +95% | Feb 2022 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 66.50 mg/L | 45.00 | +48% | Feb 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 56.00 mg/L | 45.00 | +24% | Jan 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.16 mg/L | 2.60 | +98% | Jan 2022 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 39.75 mg/L | 30.00 | +33% | Jan 2022 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 81.00 % | 85.00 | +27% | Jan 2022 | Open |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.12 mg/L | 0.09 | +28% | Dec 2021 | Open |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.23 mg/L | 0.09 | +151% | Dec 2020 | Open |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.23 mg/L | 0.18 | +25% | Dec 2020 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,068.00 MPN/100mL | 1,030.00 | +4% | Jul 2020 | Open |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.29 mg/L | 0.18 | +60% | Mar 2020 | Open |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.29 mg/L | 0.09 | +220% | Mar 2020 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 47.11 mg/L | 45.00 | +5% | Jan 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.40 mg/L | 2.60 | +31% | Jan 2020 | Open |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.15 mg/L | 0.09 | +62% | Dec 2019 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 70.00 mg/L | 45.00 | +56% | May 2019 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 78.00 % | 85.00 | +47% | May 2019 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 37.50 % | 85.00 | +317% | Dec 2018 | Open |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.09 mg/L | 0.09 | +3% | Sep 2018 | Open |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.13 mg/L | 0.09 | +45% | Jun 2018 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.12 mg/L | 0.09 | +36% | Mar 2018 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.08 | +36% | Dec 2017 | Resolved |
| Zinc, total recoverable | DMR, Limited - Numeric Violation | 0.14 mg/L | 0.08 | +85% | Sep 2017 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 31.25 mg/L | 30.00 | +4% | Apr 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 113.00 mg/L | 45.00 | +151% | Apr 2017 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +47% | Sep 2016 | Resolved |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.05 mg/L | 6.00 | +16% | Jul 2016 | Open |
| Lead, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +11% | Jun 2016 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +10% | Jun 2016 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +47% | Jun 2016 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +10% | Mar 2016 | Open |
| Cyanide, free [amenable to chlorination] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +124% | Mar 2016 | 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.
Administrative - Formal
· Case 07-2009-0279 · Sep 28, 2009
$20,400
Administrative - Formal
· Case 07-2009-0141 · Jun 9, 2009
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