Non-Compliance
Clean Water Act
SOUTHERN HILLS ESTATES 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
-
THREE MILE ROAD
DEXTER, MO 63841
View on map ↗ - County
- STODDARD County
- Inspections
- 1 · last Aug 3, 2023
- Total Penalties
- $0
- Registry ID
- 110030763029
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 | Effluent Violations - Numeric effluent violation | Jun 20, 2024 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Mar 18, 2024 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jan 26, 2024 | Mar 4, 2024 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Sep 15, 2023 | Dec 19, 2023 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Apr 5, 2023 | May 22, 2023 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Dec 27, 2022 | Jan 23, 2023 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Mar 28, 2022 | Apr 28, 2022 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Mar 31, 2021 | Apr 23, 2021 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Aug 29, 2019 | Dec 23, 2019 | Resolved |
| cwa | Schedule Event reported late | Jul 1, 2019 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 1, 2019 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2019 | Dec 23, 2019 | Resolved |
| cwa | Schedule Event unachieved but reported | Jul 1, 2019 | Dec 23, 2019 | Resolved |
| cwa | Schedule Event reported late | Jan 1, 2019 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 1, 2019 | Mar 21, 2019 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2019 | Mar 21, 2019 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 1, 2019 | — | 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 | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 1,030.00 | +135% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.01 mg/L | 2.80 | +186% | Dec 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 206.00 | +1,075% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.87 mg/L | 1.40 | +534% | Sep 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 206.00 | +1,075% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.87 mg/L | 4.30 | +106% | Sep 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 1,030.00 | +135% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.80 mg/L | 1.40 | +314% | Jun 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 1,030.00 | +135% | Jun 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 206.00 | +1,075% | Jun 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.60 mg/L | 4.30 | +170% | Jun 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 139.00 mg/L | 45.00 | +209% | Jun 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 139.00 mg/L | 30.00 | +363% | Jun 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.95 mg/L | 2.80 | +220% | Mar 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.95 mg/L | 8.60 | +4% | Mar 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.07 mg/L | 8.60 | +5% | Dec 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 206.00 | +1,075% | Dec 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.07 mg/L | 2.80 | +224% | Dec 2024 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 1,030.00 | +135% | Dec 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.81 mg/L | 1.40 | +601% | Sep 2024 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 1,030.00 | +135% | Sep 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.81 mg/L | 4.30 | +128% | Sep 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 206.00 | +1,075% | Sep 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,730.00 MPN/100mL | 206.00 | +740% | Jun 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.40 mg/L | 4.30 | +212% | Jun 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.40 mg/L | 1.40 | +857% | Jun 2024 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 1,730.00 MPN/100mL | 1,030.00 | +68% | Jun 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 57.00 mg/L | 30.00 | +90% | Mar 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 20.80 mg/L | 2.80 | +643% | Mar 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 20.80 mg/L | 8.60 | +142% | Mar 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 44.90 mg/L | 30.00 | +50% | Mar 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 57.00 mg/L | 45.00 | +27% | Mar 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 1,030.00 | +135% | Dec 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 206.00 | +1,075% | Dec 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 16.30 mg/L | 8.60 | +90% | Dec 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 15.75 mg/L | 2.80 | +463% | Dec 2023 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 1,030.00 | +99,999% | Sep 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 206.00 | +99,999% | Sep 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 32.40 mg/L | 1.40 | +2,214% | Sep 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 32.40 mg/L | 4.30 | +653% | Sep 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 206.00 | +1,075% | Jun 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.40 mg/L | 1.40 | +714% | Jun 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.40 mg/L | 4.30 | +165% | Jun 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 1,030.00 | +135% | Jun 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 1,030.00 | +135% | Dec 2022 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 206.00 | +1,075% | Dec 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 15.20 mg/L | 1.40 | +986% | Sep 2022 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 206.00 | +1,075% | Sep 2022 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 1,030.00 | +135% | Sep 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 15.20 mg/L | 4.30 | +253% | Sep 2022 | 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-NBF000003320 · Aug 26, 2025
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