Clean Water Act discharge permit · NPDES MS0020621
DECATUR POTW, NUMBER 2, Decatur, MS: NPDES MS0020621 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
DECATUR POTW, NUMBER 2, held by DECATUR POTW - # 2, holds NPDES permit MS0020621, which discharges to Anderson Branch. EPA’s file records it issued June 16, 2011 and expiring May 31, 2016. 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 | DECATUR POTW, NUMBER 2 |
|---|---|
| Permittee as filed | DECATUR POTW - # 2 |
| NPDES ID | MS0020621 |
| 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 | June 16, 2011 |
| Expiration date | May 31, 2016 |
| Address | Decatur, MS 39327 |
| Receiving water | ANDERSON BRANCH |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower Okahatta Creek (HUC 031700010304) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 10Under a numeric limit
- 8With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 8 | 16 | 12 | December 31, 2012 | 10,650% over the limit |
| BOD, 5-day, 20 deg. C | 16 | 10 | 10 | December 31, 2024 | 118% over the limit |
| Nitrogen, ammonia total [as N] | 16 | 6 | 6 | December 31, 2025 | 90% over the limit |
| pH | 4 | 5 | 5 | December 31, 2012 | |
| Solids, total suspended | 16 | 3 | 3 | December 31, 2008 | 100% over the limit |
| Chlorine, total residual | 4 | 2 | 2 | December 31, 2011 | 9,900% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 1 | 1 | December 31, 2008 | 21% over the limit |
| Solids, suspended percent removal | 2 | 1 | 1 | December 31, 2006 | 6% over the limit |
| Oxygen, dissolved [DO] | 2 | 0 | 0 | ||
| BOD, 5-day, percent removal | 2 | 0 | 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 MS0020621.
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 MS0020621 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.