Clean Water Act discharge permit · NPDES MS0044164
COLUMBIA POTW, SOUTH, Columbia, MS: NPDES MS0044164 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 12Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
COLUMBIA POTW, SOUTH holds NPDES permit MS0044164, which discharges to Pearl River. EPA’s file records it issued September 17, 2019 and expiring August 31, 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.
Identity
| Facility as filed | COLUMBIA POTW, SOUTH |
|---|---|
| Permittee as filed | COLUMBIA POTW, SOUTH |
| NPDES ID | MS0044164 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 17, 2019 |
| Expiration date | August 31, 2024 |
| Issuing agency | MDEQ |
| Address | Columbia, MS 39429 |
| Receiving water | PEARL RIVER |
| Subwatershed | Mays Creek-Pearl River (HUC 031800040103) |
| Program components on file | POTW, Pretreatment |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
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
- 20Pollutants on file
- 12Under a numeric limit
- 20With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 2 | 81 | 15 | January 31, 2013 | 54% over the limit |
| BOD, 5-day, 20 deg. C | 8 | 272 | 12 | May 31, 2013 | 136% over the limit |
| pH | 2 | 78 | 12 | August 31, 2008 | |
| BOD, 5-day, percent removal | 1 | 43 | 11 | May 31, 2025 | 146% over the limit |
| Solids, suspended percent removal | 1 | 15 | 8 | June 30, 2026 | 186% over the limit |
| Nitrogen, total [as N] | 8 | 167 | 7 | January 31, 2013 | 130% over the limit |
| Solids, total suspended | 8 | 270 | 6 | September 30, 2015 | 158% over the limit |
| Chlorine, total residual | 2 | 72 | 5 | November 30, 2007 | 120% over the limit |
| Coliform, fecal general | 0 | 57 | 5 | July 31, 2009 | 3,900% over the limit |
| Phosphorus, total [as P] | 8 | 160 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 104 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 26 | 0 | ||
| E. coli | 2 | 14 | 0 | ||
| Mercury, total recoverable | 0 | 8 | 0 | ||
| Cyanide, free [amenable to chlorination] | 0 | 6 | 0 | ||
| Zinc, total recoverable | 0 | 4 | 0 | ||
| Lead, total recoverable | 0 | 4 | 0 | ||
| Copper, total recoverable | 0 | 4 | 0 | ||
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | 0 | 1 | 0 | ||
| LC50 Static Renewal 48Hr Acute Pimephales promelas | 0 | 1 | 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 MS0044164.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MS0044164.
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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 MS0044164 there.
Nearby on the register
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- Every permit record in Mississippi, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.