Clean Water Act discharge permit · NPDES SC0023744
ANDERSON ROCKY RIVER, Anderson, SC: NPDES SC0023744 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 13Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
ANDERSON ROCKY RIVER, held by ANDERSON CITY OF, holds NPDES permit SC0023744. EPA’s file records it issued May 11, 2017 and expiring May 31, 2022. 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 | ANDERSON ROCKY RIVER |
|---|---|
| Permittee as filed | ANDERSON CITY OF |
| NPDES ID | SC0023744 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | May 11, 2017 |
| Expiration date | May 31, 2022 |
| Issuing agency | State |
| Address | Anderson, SC 29624 |
| 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
- 16Pollutants on file
- 13Under a numeric limit
- 15With a violation of any kind
- 12With 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 |
|---|---|---|---|---|---|
| E. coli | 4 | 14 | 14 | February 28, 2026 | 99,999% over the limit |
| Coliform, fecal general | 0 | 16 | 12 | April 30, 2017 | 11,150% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 15 | 7 | April 30, 2025 | 64% over the limit |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 7 | 7 | May 31, 2019 | 225% over the limit |
| Phosphorus, total [as P] | 4 | 10 | 4 | August 31, 2022 | 48% over the limit |
| Solids, suspended percent removal | 1 | 5 | 3 | February 28, 2025 | 505% over the limit |
| Hardness, total [as CaCO3] | 0 | 3 | 3 | October 31, 2015 | 40% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 9 | 1 | March 31, 2006 | 159% over the limit |
| Solids, total suspended | 4 | 9 | 1 | February 28, 2025 | 7% over the limit |
| pH | 2 | 5 | 1 | June 30, 2005 | |
| Oxygen, dissolved [DO] | 1 | 3 | 1 | June 30, 2005 | 20% over the limit |
| BOD, 5-day, percent removal | 1 | 3 | 1 | February 28, 2025 | 166% over the limit |
| Chlorine, total residual | 4 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Zinc, total [as Zn] | 0 | 2 | 0 | ||
| Nitrogen, total [as N] | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 25, 2020 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| September 18, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| September 18, 2019 | Monitoring Violations - Improper Analysis or Lab Error | 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.
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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 SC0023744 there.
Nearby on the register
- Discharge permits in Anderson
- Every permit record in Anderson, 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.