Clean Water Act discharge permit · NPDES SCG646072
DOMINION ENERGY SC INC VC SUMMER NUCLEAR STATION OFF-SITE WATER SYSTEM, Jenkinsville, SC: NPDES SCG646072 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 18Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
DOMINION ENERGY SC INC VC SUMMER NUCLEAR STATION OFF-SITE WATER SYSTEM, held by DOMINION ENERGY SOUTH CAROLINA INC, holds NPDES permit SCG646072. EPA’s file records it issued July 15, 2022 and expiring July 31, 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 | DOMINION ENERGY SC INC VC SUMMER NUCLEAR STATION OFF-SITE WATER SYSTEM |
|---|---|
| Permittee as filed | DOMINION ENERGY SOUTH CAROLINA INC |
| NPDES ID | SCG646072 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 15, 2022 |
| Expiration date | July 31, 2027 |
| Issuing agency | State |
| Address | Jenkinsville, SC 29065 |
| Subwatershed | Mayo Creek-Broad River (HUC 030501060703) |
| NAICS | 221310 – Water Supply and Irrigation Systems |
| SIC | 4941 – Water Supply |
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
- 19Pollutants on file
- 18Under a numeric limit
- 18With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| pH | 4 | 91 | 1 | October 31, 2015 | |
| Flow, in conduit or thru treatment plant | 4 | 86 | 0 | ||
| Phosphorus, total [as P] | 4 | 38 | 0 | ||
| Solids, total suspended | 4 | 36 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 32 | 0 | ||
| Salinity | 2 | 20 | 0 | ||
| Arsenic, total [as As] | 2 | 20 | 0 | ||
| Barium, total [as Ba] | 2 | 20 | 0 | ||
| Cadmium, total [as Cd] | 2 | 20 | 0 | ||
| Copper, total [as Cu] | 2 | 20 | 0 | ||
| Zinc, total [as Zn] | 2 | 20 | 0 | ||
| Selenium, total [as Se] | 2 | 20 | 0 | ||
| Chlorine, total residual | 2 | 8 | 0 | ||
| Temp. diff. between samp. & upstrm deg. F | 0 | 6 | 0 | ||
| Iron, total [as Fe] | 2 | 4 | 0 | ||
| Manganese, total [as Mn] | 2 | 4 | 0 | ||
| Mercury, total [as Hg] | 2 | 4 | 0 | ||
| Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | 1 | 1 | 0 | ||
| Aluminum, total [as Al] | 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 SCG646072.
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 SCG646072 there.
Nearby on the register
- Discharge permits in Jenkinsville
- Every permit record in Jenkinsville, 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.