Clean Water Act discharge permit · NPDES MSP090631
INTERNATIONAL PAPER CO, HOUSTON, Houston, MS: NPDES MSP090631 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
INTERNATIONAL PAPER CO, HOUSTON, held by INTERNATIONAL PAPER COMPANY, HOUSTON, holds NPDES permit MSP090631, which discharges to Ms0025071 - Houston Potw. EPA’s file records it issued January 6, 2021 and expiring December 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | INTERNATIONAL PAPER CO, HOUSTON |
|---|---|
| Permittee as filed | INTERNATIONAL PAPER COMPANY, HOUSTON |
| NPDES ID | MSP090631 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 6, 2021 |
| Expiration date | December 31, 2025 |
| Issuing agency | MDEQ |
| Address | Houston, MS 38851 |
| Receiving water | MS0025071 - HOUSTON POTW |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 8Under a numeric limit
- 8With a violation of any kind
- 6With 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, Kjeldahl, total [as N] | 4 | 24 | 8 | January 31, 2026 | 2,205% over the limit |
| Solids, total suspended | 4 | 22 | 6 | June 30, 2022 | 286% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 17 | 5 | September 30, 2011 | 6,771% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 22 | 4 | March 31, 2025 | 50% over the limit |
| Oil & Grease | 4 | 18 | 2 | November 30, 2021 | 155% over the limit |
| pH | 2 | 5 | 1 | May 31, 2009 | |
| Chemical Oxygen Demand [COD] | 4 | 20 | 0 | ||
| Copper, total recoverable | 4 | 18 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MSP090631.
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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- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 MSP090631 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.