Clean Water Act discharge permit · NPDES SC0048518
CARVER MARITIME, LLC, North Charleston, SC: NPDES SC0048518 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
CARVER MARITIME, LLC, held by SEACREST MARINE HOLDINGS LLC, holds NPDES permit SC0048518, which discharges to Cooper River. EPA’s file records it issued October 12, 2007 and expiring September 30, 2012. 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 | CARVER MARITIME, LLC |
|---|---|
| Permittee as filed | SEACREST MARINE HOLDINGS LLC |
| NPDES ID | SC0048518 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 12, 2007 |
| Expiration date | September 30, 2012 |
| Address | North Charleston, SC 29405 |
| Receiving water | Cooper River |
| Subwatershed | Lower Cooper River (HUC 030502010707) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 5Under a numeric limit
- 7With 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 |
|---|---|---|---|---|---|
| pH | 2 | 76 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 42 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 38 | 0 | ||
| Oxygen demand, chem. [high level] [COD] | 1 | 38 | 0 | ||
| Solids, total suspended | 1 | 38 | 0 | ||
| Duration of discharge | 0 | 4 | 0 | ||
| Discharge event observation [Visual Monitoring] | 0 | 4 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES SC0048518.
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 SC0048518.
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, SC0048518.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 SC0048518 there.
Nearby on the register
- Discharge permits in North Charleston
- Every permit record in North 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 September 15, 2026.