Clean Water Act discharge permit · NPDES MO0112925
ST ROBERT WWTP, St Robert, MO: NPDES MO0112925 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 15Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
ST ROBERT WWTP, held by City of St Robert, holds NPDES permit MO0112925, which discharges to Tributary To Gasconade R.. EPA’s file records it issued August 8, 2017 and expiring September 30, 2019. 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 | ST ROBERT WWTP |
|---|---|
| Permittee as filed | City of St Robert |
| NPDES ID | MO0112925 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 8, 2017 |
| Expiration date | September 30, 2019 |
| Address | St Robert, MO 65583 |
| Receiving water | Tributary to Gasconade R. |
| Subwatershed | Bell Creek-Gasconade River (HUC 102902010701) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 23Pollutants on file
- 15Under a numeric limit
- 21With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 2 | 22 | 4 | February 29, 2016 | 240% over the limit |
| Solids, total suspended | 2 | 22 | 4 | February 29, 2016 | 78% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 16 | 4 | February 29, 2016 | 630% over the limit |
| Copper, total recoverable | 4 | 5 | 3 | March 31, 2026 | 20% over the limit |
| pH | 2 | 9 | 1 | July 31, 2007 | |
| Chlorine, total residual | 0 | 26 | 0 | ||
| Coliform, fecal general | 0 | 26 | 0 | ||
| Phosphorus, total [as P] | 2 | 10 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 8 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 8 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| E. coli | 2 | 4 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 2 | 0 | ||
| Nitrogen, total [as N] | 2 | 2 | 0 | ||
| BOD, 5-day, percent removal | 1 | 2 | 0 | ||
| Solids, suspended percent removal | 1 | 2 | 0 | ||
| Cadmium, total recoverable | 0 | 2 | 0 | ||
| Lead, total recoverable | 0 | 2 | 0 | ||
| Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | 0 | 1 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 0 | 1 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 23, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| May 23, 2024 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| May 23, 2024 | Effluent Violations - Narrative Effluent Violation | ST6 |
| May 23, 2024 | Permit Violations - Failure to Submit Timely Permit Renewal Application | ST6 |
| May 23, 2024 | Permit Violations - Violation Specified in Comment | 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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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.