Clean Water Act discharge permit · NPDES SC0024481
ORANGEBURG WWTF, Orangeburg, SC: NPDES SC0024481 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 10Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
ORANGEBURG WWTF, held by ORANGEBURG CITY OF, holds NPDES permit SC0024481. EPA’s file records it issued August 17, 2015 and expiring September 30, 2020. 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 | ORANGEBURG WWTF |
|---|---|
| Permittee as filed | ORANGEBURG CITY OF |
| NPDES ID | SC0024481 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 17, 2015 |
| Expiration date | September 30, 2020 |
| Issuing agency | State |
| Address | Orangeburg, SC 29115 |
| Subwatershed | Whirlwind Creek-North Fork Edisto River (HUC 030502030308) |
| Program components on file | Biosolids, 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
- 12Pollutants on file
- 10Under a numeric limit
- 11With a violation of any kind
- 1With 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, percent removal | 1 | 2 | 1 | February 28, 2021 | 7% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 4 | 0 | ||
| BOD, 5-day, 20 deg. C | 4 | 4 | 0 | ||
| Solids, total suspended | 4 | 4 | 0 | ||
| Chlorine, total residual | 4 | 4 | 0 | ||
| Mercury, total [as Hg] | 0 | 4 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| Coliform, fecal general | 0 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 1 | 0 | ||
| Solids, suspended percent removal | 1 | 1 | 0 | ||
| E. coli | 4 | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| October 20, 2025 | Pretreatment - Failure to Establish Self-Monitoring Requirements | ST6 |
| March 17, 2023 | Management Practice Violations - Laboratory Not Certified | ST6 |
| June 27, 2022 | Pretreatment - Failure to Issue SIU Permits | ST6 |
| June 11, 2018 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 11, 2018 | Management Practice Violations - Improper Operation and Maintenance | 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
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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 SC0024481 there.
Nearby on the register
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- Every permit record in South Carolina, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.