Clean Water Act discharge permit · NPDES SC0036081
CHESTER SANDY RIVER WWTF, Chester, SC: NPDES SC0036081 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 15Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
CHESTER SANDY RIVER WWTF, held by CHESTER SEWER DISTRICT, holds NPDES permit SC0036081. EPA’s file records it issued September 18, 2014 and expiring April 30, 2019. 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 | CHESTER SANDY RIVER WWTF |
|---|---|
| Permittee as filed | CHESTER SEWER DISTRICT |
| NPDES ID | SC0036081 |
| 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 | September 18, 2014 |
| Expiration date | April 30, 2019 |
| Issuing agency | State |
| Address | Chester, SC 29706 |
| Subwatershed | Upper Sandy River (HUC 030501060202) |
| 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
- 24Pollutants on file
- 15Under a numeric limit
- 24With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 24 | 4 | July 31, 2021 | 152% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 71 | 3 | November 30, 2019 | 603% over the limit |
| E. coli | 8 | 67 | 3 | November 30, 2022 | 593% over the limit |
| Copper, total [as Cu] | 4 | 68 | 2 | July 31, 2008 | 790% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 36 | 2 | April 30, 2003 | 49% over the limit |
| Chromium, hexavalent tot recoverable | 0 | 3 | 1 | March 31, 2008 | 12% over the limit |
| Cyanide, total [as CN] | 0 | 1 | 1 | April 30, 2004 | 37,400% over the limit |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 1 | 1 | April 30, 2005 | |
| BOD, 5-day, 20 deg. C | 4 | 68 | 0 | ||
| Solids, total suspended | 4 | 68 | 0 | ||
| Chlorine, total residual | 4 | 66 | 0 | ||
| Nitrogen, total [as N] | 4 | 44 | 0 | ||
| Phosphorus, total [as P] | 4 | 44 | 0 | ||
| Oxygen demand, ultimate | 4 | 34 | 0 | ||
| pH | 2 | 34 | 0 | ||
| BOD, 5-day, percent removal | 1 | 19 | 0 | ||
| Solids, suspended percent removal | 1 | 19 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 17 | 0 | ||
| Coliform, fecal general | 0 | 4 | 0 | ||
| Lead, total [as Pb] | 0 | 2 | 0 | ||
| Nickel, total [as Ni] | 0 | 2 | 0 | ||
| Zinc, total [as Zn] | 0 | 2 | 0 | ||
| %Mortality 7Day Chronic Ceriodaphnia dubia | 0 | 2 | 0 | ||
| %Repro Reduc Static Renewal7D Chronic Ceriodaphnia dubia | 0 | 2 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 10, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| October 3, 2022 | 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
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, SC0036081.
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 SC0036081 there.
Nearby on the register
- Discharge permits in Chester
- Every permit record in Chester, 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.