Clean Water Act discharge permit · NPDES MOR240693
OSTARA ST. LOUIS LTD., St. Louis, MO: NPDES MOR240693 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
OSTARA ST. LOUIS LTD., held by Ostara St. Louis Ltd., holds NPDES permit MOR240693, which discharges to Tributary To Mississippi R.. EPA’s file records it issued April 1, 2023 and expiring April 30, 2024. 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.
What the register holds for OSTARA ST. LOUIS LTD.: its NPDES ID, its permit type and status, its dates, its address in St. Louis, Missouri, its receiving water, and 9 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MOR240693.
Identity
| Facility as filed | OSTARA ST. LOUIS LTD. |
|---|---|
| Permittee as filed | Ostara St. Louis Ltd. |
| NPDES ID | MOR240693 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | April 1, 2023 |
| Expiration date | April 30, 2024 |
| Address | St. Louis, MO 63147 |
| Receiving water | Tributary to Mississippi R. |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Schoenberger Creek-Mississippi River (HUC 071401010403) |
| NAICS | 325314 – Fertilizer [Mixing Only] Manufacturing |
| SIC | 2875 – Fertilizers, Mixing Only |
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
- 9Under a numeric limit
- 0With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| pH | 2 | 0 | 0 | ||
| Oxygen demand, chem. [high level] [COD] | 1 | 0 | 0 | ||
| Solids, total suspended | 1 | 0 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 1 | 0 | 0 | ||
| Nitrogen, total [as N] | 1 | 0 | 0 | ||
| Phosphorus, total [as P] | 1 | 0 | 0 | ||
| Zinc, total recoverable | 1 | 0 | 0 | ||
| Lead, total recoverable | 1 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MOR240693.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MOR240693.
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 MOR240693 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.