Clean Water Act discharge permit · NPDES MS0021733
SAND CREEK WASTEWATER AUTHORITY, SAND CREEK POTW, Saltillo, MS: NPDES MS0021733 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 17Pollutants with an effluent exceedance
SAND CREEK WASTEWATER AUTHORITY, SAND CREEK POTW, held by SALTILLO POTW, holds NPDES permit MS0021733, which discharges to Directly Into Sand Creek. EPA’s file records it issued September 29, 2014 and expiring August 31, 2019. 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 | SAND CREEK WASTEWATER AUTHORITY, SAND CREEK POTW |
|---|---|
| Permittee as filed | SALTILLO POTW |
| NPDES ID | MS0021733 |
| 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 | September 29, 2014 |
| Expiration date | August 31, 2019 |
| Issuing agency | MDEQ |
| Address | Saltillo, MS 38866 |
| Receiving water | DIRECTLY INTO SAND CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Brock Creek-Sand Creek (HUC 031601020106) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 19Pollutants on file
- 16Under a numeric limit
- 19With a violation of any kind
- 17With 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 | 12 | 50 | 42 | September 30, 2023 | 317% over the limit |
| Nitrogen, ammonia total [as N] | 12 | 47 | 39 | September 30, 2023 | 1,125% over the limit |
| Copper, total recoverable | 4 | 35 | 33 | September 30, 2018 | 360% over the limit |
| E. coli | 0 | 12 | 10 | June 30, 2026 | 608% over the limit |
| Zinc, total recoverable | 4 | 11 | 9 | December 31, 2019 | 301% over the limit |
| Nitrogen, total [as N] | 4 | 68 | 8 | June 30, 2024 | 114% over the limit |
| Solids, total suspended | 8 | 15 | 7 | September 30, 2020 | 135% over the limit |
| Chlorine, total residual | 2 | 10 | 6 | March 31, 2021 | 5,111% over the limit |
| BOD, 5-day, percent removal | 1 | 7 | 6 | September 30, 2023 | 493% over the limit |
| Solids, suspended percent removal | 1 | 7 | 6 | September 30, 2023 | 395% over the limit |
| Oxygen, dissolved [DO] | 3 | 7 | 4 | September 30, 2023 | 60% over the limit |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 4 | 2 | June 30, 2026 | 50% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 5 | 1 | March 31, 2019 | 19% over the limit |
| pH | 2 | 3 | 1 | June 30, 2008 | |
| Cyanide, free [amenable to chlorination] | 2 | 3 | 1 | September 30, 2019 | 126% over the limit |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | 0 | 3 | 1 | June 30, 2026 | 26% over the limit |
| Coliform, fecal general | 4 | 1 | 1 | September 30, 2015 | 200% over the limit |
| Phosphorus, total [as P] | 4 | 60 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 13, 2019 | WW SSO - Improper Operation and Maintenance | ST6 |
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 MS0021733 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.