Clean Water Act discharge permit · NPDES SC0046175
SOUTH CAROLINA GENERATING COMPANY, INC./HWY 52 ASH DISPOSAL FACILITY, Moncks Corner, SC: NPDES SC0046175 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
SOUTH CAROLINA GENERATING COMPANY, INC./HWY 52 ASH DISPOSAL FACILITY, held by SCGENCO/WILLIAMS ASH DISP HW52, holds NPDES permit SC0046175, which discharges to Wappoola Sw/Molly Cr/Cooper Rv. EPA’s file records it issued March 4, 2009 and expiring September 30, 2010. 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 | SOUTH CAROLINA GENERATING COMPANY, INC./HWY 52 ASH DISPOSAL FACILITY |
|---|---|
| Permittee as filed | SCGENCO/WILLIAMS ASH DISP HW52 |
| NPDES ID | SC0046175 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 4, 2009 |
| Expiration date | September 30, 2010 |
| Address | Moncks Corner, SC 29461 |
| Receiving water | WAPPOOLA SW/MOLLY CR/COOPER RV |
| Subwatershed | Molly Branch (HUC 030502010702) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 8Under a numeric limit
- 10With a violation of any kind
- 2With 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 | 3 | 3 | September 30, 2015 | 216% over the limit |
| Solids, total suspended | 2 | 5 | 1 | May 31, 2023 | 244% over the limit |
| pH | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Floating solids, waste or visible foam-visual | 0 | 2 | 0 | ||
| Duration of discharge | 0 | 2 | 0 | ||
| Oil and grease visual | 0 | 2 | 0 | ||
| Copper, total [as Cu] | 0 | 1 | 0 | ||
| Nickel, total [as Ni] | 0 | 1 | 0 | ||
| Zinc, total [as Zn] | 0 | 1 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Selenium, total [as Se] | 2 | 0 | 0 | ||
| %Mortality 7Day Chronic Ceriodaphnia dubia | 2 | 0 | 0 | ||
| %Repro Reduc Static Renewal7D Chronic Ceriodaphnia dubia | 2 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES SC0046175.
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 SC0046175 there.
Nearby on the register
- Discharge permits in Moncks Corner
- Every permit record in Moncks Corner, 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 September 15, 2026.