Clean Water Act discharge permit · NPDES MO0057312
TERRE DU LAC SOUTH ONE CELL LAGOON, Bonne Terre, MO: NPDES MO0057312 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
TERRE DU LAC SOUTH ONE CELL LAGOON, held by Confluence Rivers Utility Operating, holds NPDES permit MO0057312, which discharges to Cabanne Course. EPA’s file records it issued December 12, 2018 and expiring June 30, 2023. 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 | TERRE DU LAC SOUTH ONE CELL LAGOON |
|---|---|
| Permittee as filed | Confluence Rivers Utility Operating |
| NPDES ID | MO0057312 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 12, 2018 |
| Expiration date | June 30, 2023 |
| Address | Bonne Terre, MO 63628 |
| Receiving water | Cabanne Course |
| Subwatershed | Three Hill Creek-Big River (HUC 071401040302) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 6Under a numeric limit
- 7With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| E. coli | 2 | 31 | 31 | June 30, 2026 | 116,405% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 25 | 25 | June 30, 2026 | 1,243% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 3 | 3 | December 31, 2023 | 3,280% over the limit |
| pH | 2 | 7 | 1 | September 30, 2025 | |
| Solids, total suspended | 2 | 1 | 1 | September 30, 2023 | 14% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 2 | 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
- 6Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 17, 2022 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| June 17, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| July 21, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| July 21, 2020 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| August 9, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| August 9, 2019 | 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.
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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 MO0057312 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.