Clean Water Act discharge permit · NPDES SC0020010
CLEMSON COCHRAN ROAD WWTP, Clemson, SC: NPDES SC0020010 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 13Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
CLEMSON COCHRAN ROAD WWTP, held by City of Clemson, holds NPDES permit SC0020010. EPA’s file records it issued May 14, 2024 and expiring May 31, 2029. 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 | CLEMSON COCHRAN ROAD WWTP |
|---|---|
| Permittee as filed | City of Clemson |
| NPDES ID | SC0020010 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | May 14, 2024 |
| Expiration date | May 31, 2029 |
| Issuing agency | State |
| Address | Clemson, SC 29631 |
| Subwatershed | Upper Seneca River (HUC 030601010803) |
| 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
- 15Pollutants on file
- 13Under a numeric limit
- 8With a violation of any kind
- 7With 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 | 4 | 20 | 20 | July 31, 2022 | 99,999% over the limit |
| Solids, total suspended | 4 | 4 | 4 | January 31, 2024 | 95% over the limit |
| Phosphorus, total [as P] | 4 | 4 | 4 | April 30, 2022 | 24% over the limit |
| Chlorine, total residual | 4 | 3 | 3 | June 30, 2019 | 380% over the limit |
| Coliform, fecal general | 0 | 3 | 3 | July 31, 2012 | 99,999% over the limit |
| E. coli | 4 | 6 | 2 | January 31, 2018 | 99,999% over the limit |
| BOD, 5-day, percent removal | 1 | 1 | 1 | January 31, 2016 | 99,999% over the limit |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 12 | 0 | ||
| Nitrogen, total [as N] | 4 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 0 | 0 | ||
| Oxygen demand, ultimate | 2 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 1 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES SC0020010.
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 SC0020010 there.
Nearby on the register
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- Every permit record in Clemson, 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.