Clean Water Act discharge permit · NPDES MS0025071
HOUSTON POTW, Houston, MS: NPDES MS0025071 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
HOUSTON POTW holds NPDES permit MS0025071, which discharges to Chico Creek. EPA’s file records it issued August 15, 2016 and expiring July 31, 2021. 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 | HOUSTON POTW |
|---|---|
| Permittee as filed | HOUSTON POTW |
| NPDES ID | MS0025071 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 15, 2016 |
| Expiration date | July 31, 2021 |
| Issuing agency | MDEQ |
| Address | Houston, MS 38851 |
| Receiving water | CHICO CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Chico Creek-Houlka Creek (HUC 031601040203) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 18Pollutants on file
- 16Under a numeric limit
- 18With a violation of any kind
- 11With 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 |
|---|---|---|---|---|---|
| Hardness, total [as CaCO3] | 2 | 34 | 29 | December 31, 2020 | 88% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 36 | 24 | January 31, 2021 | 812% over the limit |
| Mercury, total recoverable | 2 | 42 | 14 | December 31, 2018 | 208% over the limit |
| BOD, 5-day, 20 deg. C | 8 | 19 | 11 | January 31, 2021 | 213% over the limit |
| Copper, total recoverable | 2 | 15 | 11 | October 31, 2017 | 641% over the limit |
| Coliform, fecal general | 4 | 13 | 11 | October 31, 2019 | 6,100% over the limit |
| Zinc, total recoverable | 2 | 10 | 6 | August 31, 2017 | 58% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 10 | 4 | March 31, 2020 | 11% over the limit |
| BOD, 5-day, percent removal | 1 | 4 | 3 | May 31, 2021 | 33% over the limit |
| Solids, suspended percent removal | 1 | 2 | 1 | March 31, 2020 | 120% over the limit |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | 0 | 1 | 1 | September 30, 2023 | 92% over the limit |
| Solids, total suspended | 8 | 8 | 0 | ||
| Nitrogen, total [as N] | 4 | 4 | 0 | ||
| Phosphorus, total [as P] | 4 | 4 | 0 | ||
| Silver total recoverable | 0 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 3 | 3 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Sludge settleability 30 minute | 2 | 2 | 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 MS0025071.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 MS0025071 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.