Clean Water Act discharge permit · NPDES SC0025283
ISLE OF PALMS FOREST TRAIL SD, Isle Of Palms, SC: NPDES SC0025283 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
ISLE OF PALMS FOREST TRAIL SD, held by ISLE OF PALMS WATER & SEWER COMMISSION, holds NPDES permit SC0025283. EPA’s file records it issued May 5, 2025 and expiring November 30, 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 | ISLE OF PALMS FOREST TRAIL SD |
|---|---|
| Permittee as filed | ISLE OF PALMS WATER & SEWER COMMISSION |
| NPDES ID | SC0025283 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | May 5, 2025 |
| Expiration date | November 30, 2026 |
| Issuing agency | State |
| Address | Isle Of Palms, SC 29451 |
| Subwatershed | Copahee Sound (HUC 030502090203) |
| Program components on file | POTW, Pretreatment |
| 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
- 17Pollutants on file
- 11Under a numeric limit
- 17With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 2 | 24 | 10 | August 31, 2012 | 22% over the limit |
| Enterococci | 4 | 145 | 3 | July 31, 2014 | 116% over the limit |
| Coliform, fecal general | 4 | 18 | 3 | October 31, 2015 | 156% over the limit |
| pH | 2 | 11 | 3 | July 31, 2024 | |
| Nitrogen, ammonia total [as N] | 4 | 35 | 1 | April 30, 2022 | 0% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 29 | 1 | June 30, 2008 | 30% over the limit |
| Solids, total suspended | 4 | 29 | 1 | January 31, 2014 | 11% over the limit |
| Chlorine, total residual | 4 | 13 | 1 | June 30, 2020 | 99,999% over the limit |
| Solids, suspended percent removal | 1 | 5 | 1 | January 31, 2014 | 67% over the limit |
| Copper, total [as Cu] | 0 | 34 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 7 | 0 | ||
| BOD, 5-day, percent removal | 1 | 4 | 0 | ||
| Nitrogen, total [as N] | 0 | 4 | 0 | ||
| Cadmium, total [as Cd] | 0 | 4 | 0 | ||
| Lead, total [as Pb] | 0 | 4 | 0 | ||
| Zinc, total [as Zn] | 0 | 4 | 0 | ||
| Pass/Fail Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 0 | 1 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 25, 2022 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| July 28, 2020 | Management Practice Violations - Failure to Maintain Records | ST6 |
| July 28, 2020 | 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, SC0025283.
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 SC0025283 there.
Nearby on the register
- Discharge permits in Isle Of Palms
- Every permit record in Isle Of Palms, 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.