Clean Water Act discharge permit · NPDES SC0028801
ST MATTHEWS SOUTH PLANT, St Matthews, SC: NPDES SC0028801 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 19Pollutants under a numeric limit
- 14Pollutants with an effluent exceedance
ST MATTHEWS SOUTH PLANT, held by ST MATTHEWS/SOUTH PLANT, holds NPDES permit SC0028801, which discharges to Antley Springs Ck-Lake Marion. EPA’s file records it issued August 29, 2005 and expiring June 30, 2010. 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 | ST MATTHEWS SOUTH PLANT |
|---|---|
| Permittee as filed | ST MATTHEWS/SOUTH PLANT |
| NPDES ID | SC0028801 |
| 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 | August 29, 2005 |
| Expiration date | June 30, 2010 |
| Address | St Matthews, SC 29135 |
| Receiving water | ANTLEY SPRINGS CK-LAKE MARION |
| Subwatershed | Upper Halfway Swamp Creek-Santee River (HUC 030501110103) |
| 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
- 20Pollutants on file
- 19Under a numeric limit
- 20With a violation of any kind
- 14With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 16 | 257 | 137 | January 31, 2017 | 1,398% over the limit |
| Coliform, fecal general | 4 | 88 | 50 | November 30, 2015 | 99,999% over the limit |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 51 | 35 | November 30, 2016 | 184% over the limit |
| Chlorine, total residual | 4 | 119 | 33 | January 31, 2017 | 12,208% over the limit |
| BOD, 5-day, 20 deg. C | 8 | 152 | 28 | November 30, 2016 | 207% over the limit |
| E. coli | 0 | 63 | 13 | January 31, 2017 | 99,999% over the limit |
| Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | 1 | 41 | 8 | August 31, 2016 | |
| Solids, suspended percent removal | 2 | 40 | 8 | October 31, 2015 | 186% over the limit |
| Copper, total [as Cu] | 4 | 12 | 6 | June 30, 2008 | 291% over the limit |
| Cadmium, total [as Cd] | 4 | 89 | 5 | February 28, 2013 | 27,400% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 65 | 3 | October 31, 2015 | 346% over the limit |
| BOD, 5-day, percent removal | 2 | 35 | 3 | October 31, 2015 | 183% over the limit |
| Solids, total suspended | 8 | 125 | 1 | September 30, 2009 | 48% over the limit |
| Oxygen demand, ultimate | 2 | 32 | 1 | February 28, 2014 | 15% over the limit |
| Nitrogen, total [as N] | 4 | 84 | 0 | ||
| Phosphorus, total [as P] | 4 | 84 | 0 | ||
| pH | 4 | 62 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 31 | 0 | ||
| %Mortality 7Day Chronic Ceriodaphnia dubia | 2 | 20 | 0 | ||
| %Repro Reduc Static Renewal7D Chronic Ceriodaphnia dubia | 2 | 20 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES SC0028801.
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 SC0028801 there.
Nearby on the register
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- Every permit record in St Matthews, A to Z
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- Every permit record in South Carolina, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.