Clean Water Act discharge permit · NPDES SC0001759
SOUTH CAROLINA PORTS AUTHORITY, N Charleston, SC: NPDES SC0001759 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 8Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
SOUTH CAROLINA PORTS AUTHORITY, held by WESTROCK CHARLESTON KRAFT LLC, holds NPDES permit SC0001759. EPA’s file records it issued March 4, 2021 and expiring March 31, 2026. 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 | SOUTH CAROLINA PORTS AUTHORITY |
|---|---|
| Permittee as filed | WESTROCK CHARLESTON KRAFT LLC |
| NPDES ID | SC0001759 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 4, 2021 |
| Expiration date | March 31, 2026 |
| Issuing agency | State |
| Address | N Charleston, SC 29406 |
| Subwatershed | Lower Cooper River (HUC 030502010707) |
| NAICS | 322130 – Paperboard Mills |
| SIC | 2631 – Paperboard Mills |
| Other EPA IDs (FRS) | RCRA handler SCD003358322 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 10Pollutants on file
- 8Under a numeric limit
- 10With 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 |
|---|---|---|---|---|---|
| Oxygen, dissolved [DO] | 4 | 119 | 39 | June 30, 2024 | 148% over the limit |
| Oxygen demand, ultimate | 8 | 97 | 17 | June 30, 2023 | 423% over the limit |
| Solids, total suspended | 9 | 210 | 12 | June 30, 2026 | 254% over the limit |
| BOD, 5-day, 20 deg. C | 9 | 202 | 4 | October 31, 2022 | 67% over the limit |
| Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | 1 | 17 | 3 | September 30, 2023 | |
| pH | 6 | 158 | 2 | October 31, 2025 | |
| Flow, in conduit or thru treatment plant | 6 | 154 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 40 | 0 | ||
| Length of longest pH excursion | 0 | 35 | 0 | ||
| % of time exceeding pH limits | 0 | 35 | 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 |
|---|---|---|
| February 15, 2022 | Reporting Violations - Improper/ Incorrect Reporting | 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
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, SC0001759.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/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 SC0001759 there.
Nearby on the register
- Discharge permits in N Charleston
- Every permit record in N Charleston, A to Z
- Discharge permits in South Carolina
- Every permit record in South Carolina, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.