Non-Compliance
Clean Water Act
LAKE CHATEAU SUBDIVISION WWTF
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
-
#7 NORTH 9TH STREET
COLUMBIA, MO 65201
View on map ↗ - County
- BOONE County
- Inspections
- 1 · last May 14, 2025
- Total Penalties
- $0
- Registry ID
- 110006667400
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 | Management Practice Violations - Improper Operation and Maintenance | Jun 4, 2025 | — | Open |
| cwa | Permit Violations - Unapproved Operation | Jun 4, 2025 | — | Open |
| cwa | Permit Violations - Discharge Without a Valid Permit | Jun 4, 2025 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jun 30, 2023 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Mar 31, 2022 | — | Open |
| cwa | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | Mar 31, 2022 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Nov 9, 2018 | — | Open |
| cwa | Effluent Violations - Narrative Effluent Violation | Nov 9, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Nov 9, 2018 | — | Open |
| cwa | Permit Violations - Failure to Submit Timely Permit Renewal Application | Nov 9, 2018 | — | Open |
| cwa | Schedule Event unachieved but reported | Nov 1, 2013 | Mar 18, 2014 | Resolved |
| cwa | Schedule Event unachieved and not reported | Nov 1, 2013 | Mar 18, 2014 | Resolved |
| cwa | Schedule Event achieved late but reported | Nov 1, 2013 | — | Open |
| cwa | Schedule Event reported late | Nov 1, 2013 | — | Open |
| cwa | Schedule Event reported late | May 1, 2013 | — | Open |
| cwa | Schedule Event achieved late but reported | May 1, 2013 | — | Open |
| cwa | Schedule Event unachieved and not reported | May 1, 2013 | Aug 8, 2013 | Resolved |
| cwa | Schedule Event unachieved but reported | May 1, 2013 | Aug 8, 2013 | 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 |
|---|---|---|---|---|---|---|
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.25 mg/L | 0.02 | +1,371% | Dec 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.25 mg/L | 0.01 | +3,025% | Dec 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.60 mg/L | 1.40 | +14% | Sep 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.33 mg/L | 0.02 | +1,841% | Jun 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.33 mg/L | 0.01 | +4,025% | Jun 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.70 mg/L | 1.40 | +21% | Jun 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.40 mg/L | 2.80 | +21% | Mar 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 321.00 MPN/100mL | 206.00 | +56% | Dec 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.20 mg/L | 1.40 | +57% | Jun 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.20 mg/L | 2.80 | +229% | Mar 2023 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.14 mg/L | 0.01 | +1,650% | Dec 2022 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.14 mg/L | 0.02 | +724% | Dec 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.70 mg/L | 1.40 | +21% | Sep 2022 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.78 mg/L | 0.01 | +22,150% | Jun 2022 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.78 mg/L | 0.02 | +10,371% | Jun 2022 | Open |
| E. coli | DMR, Limited - Numeric Violation | 3,980.00 MPN/100mL | 1,030.00 | +286% | Dec 2021 | Open |
| E. coli | DMR, Limited - Numeric Violation | 3,980.00 MPN/100mL | 206.00 | +1,832% | Dec 2021 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,750.00 MPN/100mL | 1,030.00 | +167% | Sep 2021 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,750.00 MPN/100mL | 206.00 | +1,235% | Sep 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.00 mg/L | 1.40 | +43% | Jun 2021 | Open |
| E. coli | DMR, Limited - Numeric Violation | 322.00 MPN/100mL | 206.00 | +56% | Dec 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.50 mg/L | 1.40 | +221% | Jun 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.50 mg/L | 3.50 | +29% | Jun 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.00 mg/L | 1.40 | +43% | Sep 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.30 mg/L | 2.90 | +117% | Mar 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.80 mg/L | 1.40 | +100% | Sep 2017 | Open |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 582.00 MPN/100mL | 206.00 | +183% | Sep 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.10 mg/L | 2.90 | +7% | Mar 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.70 mg/L | 1.40 | +21% | Jun 2016 | Open |
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