Non-Compliance
Clean Water Act
HUDSON R-9 SCHOOL DISTRICT 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
-
ROUTE 3, BOX 199A
APPLETON CITY, MO 64724
View on map ↗ - County
- SAINT CLAIR County
- Inspections
- 1 · last Jun 20, 2024
- Total Penalties
- $0
- Registry ID
- 110006727998
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.
10
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 - Numeric effluent violation | Mar 20, 2025 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Sep 23, 2024 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jul 11, 2022 | Aug 8, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2021 | Dec 17, 2021 | Resolved |
| cwa | Schedule Event reported late | Jul 1, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 1, 2021 | — | Open |
| cwa | Schedule Event unachieved but reported | Jul 1, 2021 | Dec 17, 2021 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 1, 2020 | — | Open |
| cwa | Schedule Event unachieved but reported | Jul 1, 2020 | Feb 24, 2021 | Resolved |
| cwa | Schedule Event reported late | Jul 1, 2020 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2020 | Feb 24, 2021 | Resolved |
| cwa | Schedule Event unachieved but reported | Jun 1, 2015 | May 15, 2016 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jun 1, 2015 | May 15, 2016 | Resolved |
| cwa | Schedule Event achieved late but reported | Jun 1, 2015 | — | Open |
| cwa | Schedule Event reported late | Jun 1, 2015 | — | Open |
| cwa | Schedule Event achieved late but reported | Jun 1, 2014 | — | 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 |
|---|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 35.80 mg/L | 30.00 | +19% | Mar 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 55.50 mg/L | 30.00 | +85% | Mar 2026 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 18.00 % | 85.00 | +447% | Mar 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 55.50 mg/L | 45.00 | +23% | Mar 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 30.50 mg/L | 2.70 | +1,030% | Mar 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 30.50 mg/L | 10.10 | +202% | Mar 2026 | Open |
| E. coli | DMR, Limited - Numeric Violation | 24,196.00 MPN/100mL | 1,030.00 | +2,249% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 25.80 mg/L | 12.10 | +113% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 25.80 mg/L | 3.10 | +732% | Dec 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 24,196.00 MPN/100mL | 206.00 | +11,646% | Dec 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 83.00 % | 85.00 | +13% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 20.80 mg/L | 1.30 | +1,500% | Sep 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 15,531.00 MPN/100mL | 1,030.00 | +1,408% | Sep 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 15,531.00 MPN/100mL | 206.00 | +7,439% | Sep 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.00 mg/L | 30.00 | +60% | Sep 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.00 mg/L | 45.00 | +7% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 20.80 mg/L | 12.10 | +72% | Sep 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 70.00 % | 85.00 | +100% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.60 mg/L | 1.80 | +44% | Jun 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 663.00 MPN/100mL | 206.00 | +222% | Jun 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.00 mg/L | 2.70 | +344% | Mar 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.00 mg/L | 10.10 | +19% | Mar 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 63.50 % | 85.00 | +143% | Mar 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,613.00 MPN/100mL | 206.00 | +1,168% | Dec 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 78.00 % | 85.00 | +47% | Dec 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,613.00 MPN/100mL | 1,030.00 | +154% | Dec 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.70 mg/L | 12.10 | +5% | Sep 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 75.00 % | 85.00 | +67% | Sep 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.70 mg/L | 1.30 | +877% | Sep 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 24,196.00 MPN/100mL | 1,030.00 | +2,249% | Sep 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 24,196.00 MPN/100mL | 206.00 | +11,646% | Sep 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,223.00 MPN/100mL | 206.00 | +494% | Jun 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,223.00 MPN/100mL | 1,030.00 | +19% | Jun 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 81.00 % | 85.00 | +27% | Jun 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 61.40 mg/L | 30.00 | +105% | Dec 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 0.00 % | 85.00 | +567% | Dec 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 180.00 mg/L | 45.00 | +300% | Dec 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 61.40 mg/L | 45.00 | +36% | Dec 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 56.00 % | 85.00 | +193% | Dec 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 180.00 mg/L | 30.00 | +500% | Dec 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 65.00 % | 85.00 | +133% | Jun 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 67.00 % | 85.00 | +120% | Mar 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 68.00 % | 85.00 | +113% | Dec 2022 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 64.00 % | 85.00 | +140% | Sep 2022 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 27.00 % | 85.00 | +387% | Jun 2022 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 31.00 % | 85.00 | +360% | Mar 2022 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 78.00 % | 85.00 | +47% | Dec 2021 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 83.00 % | 85.00 | +13% | Sep 2021 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 82.00 % | 85.00 | +20% | Sep 2020 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 63.00 % | 85.00 | +147% | Sep 2020 | 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.
State Administrative Order of Consent
Clean Water Act
· Case MO-NBF000003360 · Aug 20, 2025
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