Clean Water Act discharge permit · NPDES SC0041963
MCCOLL WWTF, Mc Coll, SC: NPDES SC0041963 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
MCCOLL WWTF holds NPDES permit SC0041963, which discharges to Gum Swamp. EPA’s file records it issued October 3, 2011 and expiring September 30, 2016. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MCCOLL WWTF |
|---|---|
| Permittee as filed | MCCOLL WWTF |
| NPDES ID | SC0041963 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 3, 2011 |
| Expiration date | September 30, 2016 |
| Address | Mc Coll, SC 29570 |
| Receiving water | Gum Swamp |
| Subwatershed | Beaverdam Creek-Gum Swamp Creek (HUC 030402040106) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 9Under a numeric limit
- 11With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, percent removal | 1 | 54 | 11 | April 30, 2025 | 192% over the limit |
| Coliform, fecal general | 2 | 12 | 8 | October 31, 2014 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 166 | 6 | November 30, 2018 | 35% over the limit |
| E. coli | 0 | 134 | 6 | April 30, 2023 | 99,999% over the limit |
| Solids, suspended percent removal | 1 | 48 | 4 | October 31, 2023 | 134% over the limit |
| Solids, total suspended | 4 | 157 | 1 | March 31, 2015 | 172% over the limit |
| Chlorine, total residual | 4 | 155 | 1 | August 31, 2009 | 4,200% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 79 | 1 | September 30, 2008 | 17% over the limit |
| pH | 2 | 78 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 39 | 0 | ||
| Mercury, total [as Hg] | 0 | 8 | 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
- 16Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 17, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| April 16, 2024 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| April 16, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| April 16, 2024 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| September 14, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| September 14, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| October 20, 2022 | Reporting Violations - Failure to Notify | ST6 |
| April 4, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| April 4, 2022 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| July 8, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
| July 8, 2021 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| June 9, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
| September 11, 2019 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| September 11, 2019 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| September 11, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| June 6, 2018 | 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
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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 SC0041963 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.