Clean Water Act discharge permit · NPDES GA0050275
THE CHEMOURS COMPANY FC, LLC (MISSION MINE), Nahunta, GA: NPDES GA0050275 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
THE CHEMOURS COMPANY FC, LLC (MISSION MINE), held by Southern Ionics Minerals, a wholly owned subsidiary of The Chemours Company FC,, holds NPDES permit GA0050275. EPA’s file records it issued March 27, 2024 and expiring March 31, 2029. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | THE CHEMOURS COMPANY FC, LLC (MISSION MINE) |
|---|---|
| Permittee as filed | Southern Ionics Minerals, a wholly owned subsidiary of The Chemours Company FC, |
| NPDES ID | GA0050275 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 27, 2024 |
| Expiration date | March 31, 2029 |
| Address | Nahunta, GA 31553 |
| Subwatershed | Lower Buffalo Creek (HUC 030702011104) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 16Pollutants on file
- 16Under a numeric limit
- 15With a violation of any kind
- 2With 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 | 16 | 38 | 2 | April 30, 2020 | 53% over the limit |
| pH | 16 | 37 | 1 | January 31, 2024 | |
| Phosphorus, total [as P] | 32 | 70 | 0 | ||
| Turbidity | 16 | 36 | 0 | ||
| Oil & Grease | 16 | 36 | 0 | ||
| Nitrogen, total [as N] | 16 | 36 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 16 | 36 | 0 | ||
| Nitrogen, ammonia total [as N] | 16 | 34 | 0 | ||
| Nitrite + Nitrate total [as N] | 16 | 34 | 0 | ||
| Iron, total [as Fe] | 16 | 34 | 0 | ||
| Flow, in conduit or thru treatment plant | 16 | 34 | 0 | ||
| Mercury, total [as Hg] | 16 | 32 | 0 | ||
| Nitrogen, organic total [as N] | 2 | 8 | 0 | ||
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 16 | 2 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 16 | 2 | 0 | ||
| Phosphorous, in total orthophosphate | 14 | 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 GA0050275.
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 GA0050275 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.