Clean Water Act discharge permit · NPDES SC0021211
GREAT FALLS W C CHILDERS WWTP, Great Falls, SC: NPDES SC0021211 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 16Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
GREAT FALLS W C CHILDERS WWTP, held by GREAT FALLS TOWN OF, holds NPDES permit SC0021211. EPA’s file records it issued September 12, 2016 and expiring September 30, 2021. 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 | GREAT FALLS W C CHILDERS WWTP |
|---|---|
| Permittee as filed | GREAT FALLS TOWN OF |
| NPDES ID | SC0021211 |
| 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 12, 2016 |
| Expiration date | September 30, 2021 |
| Issuing agency | State |
| Address | Great Falls, SC 29055 |
| 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
- 18Pollutants on file
- 16Under a numeric limit
- 15With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| Phosphorus, total [as P] | 4 | 27 | 15 | July 31, 2025 | 85% over the limit |
| E. coli | 4 | 25 | 13 | September 30, 2023 | 593% over the limit |
| Solids, suspended percent removal | 1 | 13 | 9 | September 30, 2019 | 293% over the limit |
| Coliform, fecal general | 0 | 9 | 9 | December 31, 2015 | 99,999% over the limit |
| Solids, total suspended | 4 | 18 | 6 | March 31, 2026 | 22% over the limit |
| Chlorine, total residual | 4 | 14 | 2 | February 28, 2021 | 30% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 13 | 1 | December 31, 2018 | 18% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 8 | 1 | May 31, 2006 | 39% over the limit |
| pH | 2 | 7 | 1 | September 30, 2012 | |
| Nitrogen, total [as N] | 4 | 12 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 4 | 4 | 0 | ||
| BOD, 5-day, percent removal | 1 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 3 | 0 | ||
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 2 | 0 | ||
| Lead, total [as Pb] | 0 | 2 | 0 | ||
| Copper, total [as Cu] | 4 | 0 | 0 | ||
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 1 | 0 | 0 | ||
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 29, 2026 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| March 29, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| September 29, 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.
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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 SC0021211 there.
Nearby on the register
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- Every permit record in South Carolina, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.