Clean Water Act discharge permit · NPDES SC0001333
ALPEK POLYESTER USA, LLC, Gaston, SC: NPDES SC0001333 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 18Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
ALPEK POLYESTER USA, LLC, held by DAK AMERICAS LLC, holds NPDES permit SC0001333. EPA’s file records it issued August 6, 2020 and expiring October 31, 2023. 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 | ALPEK POLYESTER USA, LLC |
|---|---|
| Permittee as filed | DAK AMERICAS LLC |
| NPDES ID | SC0001333 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 6, 2020 |
| Expiration date | October 31, 2023 |
| Issuing agency | State |
| Address | Gaston, SC 29053 |
| Subwatershed | Middle Congaree River (HUC 030501100303) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 23Pollutants on file
- 18Under a numeric limit
- 22With a violation of any kind
- 6With 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 | 6 | 31 | 21 | February 28, 2025 | 209% over the limit |
| Solids, total suspended | 5 | 26 | 15 | February 28, 2025 | 191% over the limit |
| Length of longest pH excursion | 3 | 18 | 10 | November 30, 2008 | 1,480% over the limit |
| % of time exceeding pH limits | 3 | 14 | 8 | November 30, 2008 | 1,250% over the limit |
| Coliform, fecal general | 0 | 10 | 6 | October 31, 2018 | 99,999% over the limit |
| Oxygen demand, ultimate | 4 | 1 | 1 | October 31, 2022 | 35% over the limit |
| 1,4-Dioxane | 2 | 14 | 0 | ||
| pH | 6 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 10 | 0 | ||
| Oil and grease, hexane extr method | 0 | 10 | 0 | ||
| Temperature, water deg. fahrenheit | 4 | 6 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 4 | 0 | ||
| Phosphorus, total [as P] | 2 | 4 | 0 | ||
| Algae, presence | 4 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 2 | 0 | ||
| E. coli | 2 | 2 | 0 | ||
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 2 | 0 | ||
| Nitrogen, total [as N] | 0 | 2 | 0 | ||
| Copper, total [as Cu] | 0 | 2 | 0 | ||
| Mercury, total [as Hg] | 0 | 2 | 0 | ||
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 1 | 1 | 0 | ||
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 1 | 0 | ||
| Chlorine, total residual | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 18, 2025 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| September 17, 2025 | Permit Violations - Discharge Without a Valid Permit | ST6 |
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.
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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 SC0001333 there.
Nearby on the register
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- Every permit record in Gaston, A to Z
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- Every permit record in South Carolina, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.