Clean Water Act discharge permit · NPDES MO0131334
CGCRCSD TWIN OAKS WWTP, Jackson, MO: NPDES MO0131334 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
CGCRCSD TWIN OAKS WWTP, held by Cape Girardeau County Reorganized Common, holds NPDES permit MO0131334, which discharges to Tributary To Cane Cr.. EPA’s file records it issued August 23, 2018 and expiring December 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CGCRCSD TWIN OAKS WWTP |
|---|---|
| Permittee as filed | Cape Girardeau County Reorganized Common |
| NPDES ID | MO0131334 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 23, 2018 |
| Expiration date | December 31, 2022 |
| Address | Jackson, MO 63755 |
| Receiving water | Tributary to Cane Cr. |
| Subwatershed | Cane Creek (HUC 071401070508) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 10Under a numeric limit
- 11With a violation of any kind
- 9With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Ammonia [as N] + unionized ammonia | 0 | 34 | 34 | June 30, 2018 | 1,652% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 35 | 33 | June 30, 2026 | 5,000% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 29 | 26 | December 31, 2025 | 373% over the limit |
| Chlorine, total residual | 2 | 21 | 21 | September 30, 2016 | 400% over the limit |
| E. coli, colony forming units [CFU] | 2 | 13 | 13 | June 30, 2018 | 19,317% over the limit |
| Solids, total suspended | 2 | 9 | 6 | December 31, 2025 | 100% over the limit |
| Solids, suspended percent removal | 1 | 7 | 6 | March 31, 2023 | 423% over the limit |
| BOD, 5-day, percent removal | 1 | 4 | 3 | March 31, 2023 | 223% over the limit |
| E. coli | 0 | 1 | 1 | September 30, 2024 | 135% over the limit |
| pH | 2 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 17Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 14, 2026 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| August 11, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| May 22, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| January 30, 2026 | WW SSO - Failure to report violation that may endanger public health 122.41(l)(7) | ST6 |
| December 10, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| October 2, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| September 4, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 30, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| June 18, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| April 2, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| April 2, 2024 | WW SSO - Failure to report violation that may endanger public health 122.41(l)(7) | ST6 |
| March 29, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| January 26, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| May 6, 2022 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 27, 2021 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| August 18, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
| July 7, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MO0131334 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.