Clean Water Act discharge permit · NPDES MOG350176
WOLCO, INC, St Louis, MO: NPDES MOG350176 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
WOLCO, INC holds NPDES permit MOG350176, which discharges to Watkins Cr.. EPA’s file records it issued November 17, 2009 and expiring June 14, 2012. 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 | WOLCO, INC |
|---|---|
| Permittee as filed | WOLCO, INC |
| NPDES ID | MOG350176 |
| 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 | November 17, 2009 |
| Expiration date | June 14, 2012 |
| Issuing agency | MODNR-St. Louis Regional Office |
| Address | St Louis, MO 63138 |
| Receiving water | Watkins Cr. |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Maline Creek-Mississippi River (HUC 071401010401) |
| SIC | 5171 – Petroleum Bulk Stations & Terminals |
| Other EPA IDs (FRS) | RCRA handler MOR000044040 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 7Pollutants on file
- 7Under 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 |
|---|---|---|---|---|---|
| Ethylbenzene | 3 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Ethanol | 2 | 0 | 0 | ||
| Hydrocarbons, total petroleum | 2 | 0 | 0 | ||
| Report due [yrmoda] | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MOG350176.
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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 30, 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 MOG350176 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.