Clean Water Act discharge permit · NPDES MO0102237
UNION PACIFIC RAILROAD-POPLAR BLUFF YARD, Poplar Bluff, MO: NPDES MO0102237 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
UNION PACIFIC RAILROAD-POPLAR BLUFF YARD, held by Union Pacific Railroad, holds NPDES permit MO0102237, which discharges to Black River. EPA’s file records it issued January 9, 2015 and expiring January 31, 2020. 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 | UNION PACIFIC RAILROAD-POPLAR BLUFF YARD |
|---|---|
| Permittee as filed | Union Pacific Railroad |
| NPDES ID | MO0102237 |
| 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 |
| Program | Industrial stormwater |
| Issued | January 9, 2015 |
| Expiration date | January 31, 2020 |
| Address | Poplar Bluff, MO 63901 |
| Receiving water | Black River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Little Hunting Slough-Black River (HUC 110100070805) |
| SIC | 4011 – Railroads, Line-Haul Operating |
| Other EPA IDs (FRS) | RCRA handler MO0000064287 |
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
- 10Pollutants on file
- 9Under a numeric limit
- 2With 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 |
|---|---|---|---|---|---|
| Total Petroleum Hydrocarbons - Gasoline | 1 | 1 | 0 | ||
| Solids, total suspended | 0 | 1 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Oxygen demand, chem. [high level] [COD] | 1 | 0 | 0 | ||
| Solids, settleable | 1 | 0 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 1 | 0 | 0 | ||
| Oil petroleum, total recoverable | 1 | 0 | 0 | ||
| Rainfall | 1 | 0 | 0 | ||
| Total Petroleum Hydrocarbons - Diesel | 1 | 0 | 0 | ||
| Storm water flow | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MO0102237.
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 |
|---|---|---|
| November 29, 2021 | 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.
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 MO0102237 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.