Clean Water Act discharge permit · NPDES SC0021580
HARTSVILLE WWTF, Hartsville, SC: NPDES SC0021580 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 11Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
HARTSVILLE WWTF, held by HARTSVILLE CITY OF, holds NPDES permit SC0021580, which discharges to Black Creek. EPA’s file records it issued March 29, 2024 and expiring June 30, 2027. 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 | HARTSVILLE WWTF |
|---|---|
| Permittee as filed | HARTSVILLE CITY OF |
| NPDES ID | SC0021580 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | March 29, 2024 |
| Expiration date | June 30, 2027 |
| Issuing agency | State |
| Address | Hartsville, SC 29550 |
| Receiving water | Black Creek |
| Subwatershed | Everlasting Branch-Black Creek (HUC 030402010704) |
| 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
- 12Pollutants on file
- 11Under a numeric limit
- 12With a violation of any kind
- 6With 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 | 8 | 7 | 3 | November 30, 2023 | 99,999% over the limit |
| Solids, suspended percent removal | 2 | 4 | 3 | January 31, 2026 | 227% over the limit |
| Nitrogen, ammonia total [as N] | 16 | 5 | 1 | May 31, 2022 | 17% over the limit |
| BOD, 5-day, 20 deg. C | 8 | 5 | 1 | June 30, 2023 | 11% over the limit |
| Chlorine, total residual | 8 | 5 | 1 | August 31, 2023 | 53% over the limit |
| Oxygen, dissolved [DO] | 2 | 2 | 1 | September 30, 2018 | 68% over the limit |
| Solids, total suspended | 8 | 4 | 0 | ||
| Oxygen demand, ultimate | 8 | 2 | 0 | ||
| pH | 4 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 2 | 0 | ||
| Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | 0 | 2 | 0 | ||
| BOD, 5-day, percent removal | 2 | 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
- 10Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 17, 2025 | Pretreatment - Failure to Develop/Enforce Standards | ST6 |
| June 17, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| April 9, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| April 9, 2024 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| September 7, 2023 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| May 1, 2023 | Pretreatment - Failure to Issue SIU Permits | ST6 |
| March 23, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| September 22, 2022 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| April 13, 2020 | Permit Violations - Violation Specified in Comment | ST6 |
| August 22, 2019 | Permit Violations - Violation Specified in Comment | 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 SC0021580 there.
Nearby on the register
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- Every permit record in Hartsville, 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.