Clean Water Act discharge permit · NPDES MS0043460
CRYSTAL RIDGE WASTEWATER TREATMENT FACILITY, Louisville, MS: NPDES MS0043460 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
CRYSTAL RIDGE WASTEWATER TREATMENT FACILITY, held by Mississippi Band of Choctaw Indians (Crystal Ridge WWTF), holds NPDES permit MS0043460, which discharges to Unnamed Tributary Of Town Creek. EPA’s file records it issued July 1, 2020 and expiring June 30, 2025. 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 | CRYSTAL RIDGE WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | Mississippi Band of Choctaw Indians (Crystal Ridge WWTF) |
| NPDES ID | MS0043460 |
| 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 | July 1, 2020 |
| Expiration date | June 30, 2025 |
| Address | Louisville, MS 39339 |
| Receiving water | Unnamed Tributary of Town Creek |
| Subwatershed | Town Creek (HUC 031800010202) |
| 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
- 12Pollutants on file
- 12Under a numeric limit
- 12With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 5 | 15 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 5 | 15 | 0 | ||
| Nitrogen, ammonia total [as N] | 8 | 12 | 0 | ||
| pH | 2 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| E. coli | 2 | 6 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 3 | 0 | ||
| Chlorine, total residual | 1 | 3 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 3 | 0 | ||
| Solids, suspended percent removal | 1 | 3 | 0 | ||
| Nitrogen, total [as N] | 2 | 2 | 0 | ||
| Phosphorus, total [as P] | 2 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MS0043460.
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 MS0043460.
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, MS0043460.
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- One watershed — $2,990/year
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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 MS0043460 there.
Nearby on the register
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- Discharge permits in Mississippi
- Every permit record in Mississippi, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.