Clean Water Act discharge permit · NPDES MO0114413
TESSON HILLS APARTMENTS, Arnold, MO: NPDES MO0114413 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
TESSON HILLS APARTMENTS, held by CEP-STL LLC, holds NPDES permit MO0114413, which discharges to Tributary To Romaine Creek. EPA’s file records it issued December 30, 2019 and expiring December 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | TESSON HILLS APARTMENTS |
|---|---|
| Permittee as filed | CEP-STL LLC |
| NPDES ID | MO0114413 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 30, 2019 |
| Expiration date | December 31, 2022 |
| Address | Arnold, MO 63010 |
| Receiving water | Tributary to Romaine Creek |
| Subwatershed | Sugar Creek-Meramec River (HUC 071401021003) |
| SIC | 6513 – Apartment Building Operators |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 9Pollutants on file
- 7Under a numeric limit
- 9With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 4 | 85 | 17 | March 31, 2024 | 757% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 82 | 12 | June 30, 2023 | 820% over the limit |
| E. coli | 2 | 48 | 4 | March 31, 2021 | 1,820% over the limit |
| Solids, total suspended | 2 | 73 | 3 | March 31, 2022 | 200% over the limit |
| pH | 2 | 71 | 1 | December 31, 2020 | |
| Flow, in conduit or thru treatment plant | 2 | 116 | 0 | ||
| Chlorine, total residual | 2 | 70 | 0 | ||
| E. coli, colony forming units [CFU] | 0 | 24 | 0 | ||
| Coliform, fecal general | 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
- 12Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 24, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| January 24, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| January 24, 2022 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| July 15, 2021 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 30, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 30, 2021 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| August 21, 2019 | Permit Violations - Unapproved Operation | ST6 |
| August 21, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| August 21, 2019 | WW SSO - Failure to report violation that may endanger public health 122.41(l)(7) | ST6 |
| October 19, 2017 | Reporting Violations - Failure to Submit DMRs | ST6 |
| July 6, 2017 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 21, 2017 | Reporting Violations - Improper/ Incorrect Reporting | 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 MO0114413 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.