Clean Water Act discharge permit · NPDES SC0035700
PENDLETON-CLEMSON REG WWTF, Pendleton, SC: NPDES SC0035700 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 14Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
PENDLETON-CLEMSON REG WWTF, held by (Unknown Permittee), holds NPDES permit SC0035700. EPA’s file records it issued February 26, 2021 and expiring March 31, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | PENDLETON-CLEMSON REG WWTF |
|---|---|
| Permittee as filed | (Unknown Permittee) |
| NPDES ID | SC0035700 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | February 26, 2021 |
| Expiration date | March 31, 2026 |
| Issuing agency | State |
| Address | Pendleton, SC 29670 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower Eighteenmile Creek (HUC 030601010602) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 19Pollutants on file
- 14Under a numeric limit
- 19With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 4 | 63 | 43 | April 30, 2026 | 800% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 34 | 14 | January 31, 2025 | 402% over the limit |
| E. coli | 4 | 29 | 9 | January 31, 2025 | 99,999% over the limit |
| Phosphorus, total [as P] | 4 | 52 | 8 | November 30, 2015 | 40% over the limit |
| Oxygen demand, ultimate | 2 | 29 | 7 | September 30, 2025 | 96% over the limit |
| Solids, total suspended | 4 | 24 | 4 | January 31, 2025 | 220% over the limit |
| Coliform, fecal general | 0 | 3 | 3 | December 31, 2015 | 99,999% over the limit |
| Nitrogen, total [as N] | 4 | 54 | 0 | ||
| Chlorine, total residual | 4 | 20 | 0 | ||
| pH | 2 | 14 | 0 | ||
| Solids, suspended percent removal | 1 | 11 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 10 | 0 | ||
| BOD, 5-day, percent removal | 1 | 6 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 5 | 0 | ||
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 4 | 0 | ||
| %Mortality 7Day Chronic Ceriodaphnia dubia | 0 | 2 | 0 | ||
| %Repro Reduc Static Renewal7D Chronic Ceriodaphnia dubia | 0 | 2 | 0 | ||
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 0 | 1 | 0 | ||
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 17, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| November 17, 2023 | Pretreatment - Failure to Issue SIU Permits | ST6 |
| November 17, 2023 | Pretreatment - Failure to Develop/Enforce Standards | ST6 |
| November 17, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| June 21, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.