Clean Water Act discharge permit · NPDES MS0020222
COLUMBIA POTW, NORTH, Columbia, MS: NPDES MS0020222 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
COLUMBIA POTW, NORTH holds NPDES permit MS0020222, which discharges to Pearl River. EPA’s file records it issued September 27, 2021 and expiring August 31, 2026. 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 | COLUMBIA POTW, NORTH |
|---|---|
| Permittee as filed | COLUMBIA POTW, NORTH |
| NPDES ID | MS0020222 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 27, 2021 |
| Expiration date | August 31, 2026 |
| Issuing agency | MDEQ |
| Address | Columbia, MS 39429 |
| Receiving water | PEARL RIVER |
| Subwatershed | Harper Creek-Pearl River (HUC 031800040101) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 10Under a numeric limit
- 11With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 8 | 19 | 3 | December 31, 2008 | 45% over the limit |
| pH | 2 | 7 | 3 | December 31, 2010 | |
| Chlorine, total residual | 2 | 6 | 2 | December 31, 2008 | 100% over the limit |
| Coliform, fecal general | 0 | 3 | 1 | December 31, 2012 | 65% over the limit |
| Solids, total suspended | 8 | 16 | 0 | ||
| Nitrogen, total [as N] | 8 | 8 | 0 | ||
| Phosphorus, total [as P] | 8 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 5 | 0 | ||
| E. coli | 2 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 2 | 0 | ||
| BOD, 5-day, percent removal | 1 | 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 MS0020222.
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
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, MS0020222.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 MS0020222 there.
Nearby on the register
- Discharge permits in Columbia
- Every permit record in Columbia, A to Z
- Discharge permits in Mississippi
- Every permit record in Mississippi, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.