Clean Water Act discharge permit · NPDES SC0000574
DOMINION ENERGY SOUTH CAROLINA, INC./URQUHART STATION, Beech Island, SC: NPDES SC0000574 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 8Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
DOMINION ENERGY SOUTH CAROLINA, INC./URQUHART STATION, held by DOMINION ENERGY SOUTH CAROLINA INC, holds NPDES permit SC0000574. EPA’s file records it issued July 25, 2018 and expiring October 31, 2020. 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 SOUTH CAROLINA, INC./URQUHART STATION |
|---|---|
| Permittee as filed | DOMINION ENERGY SOUTH CAROLINA INC |
| NPDES ID | SC0000574 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 25, 2018 |
| Expiration date | October 31, 2020 |
| Issuing agency | State |
| Address | Beech Island, SC 29842 |
| Subwatershed | Beaverdam Ditch-Savannah River (HUC 030601060607) |
| NAICS | 221112 – Fossil Fuel Electric Power Generation |
| SIC | 4911 – Electric Services |
| Other EPA IDs (FRS) | RCRA handler SCD000825802; ICIS-AIR source SC00000800011 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 10Pollutants on file
- 8Under a numeric limit
- 9With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Temp. diff. between intake and discharge | 0 | 4 | 4 | November 30, 2010 | 18% over the limit |
| pH | 2 | 9 | 3 | March 31, 2015 | |
| Chlorine, total residual | 2 | 8 | 2 | September 30, 2008 | 74% over the limit |
| Temperature, water deg. fahrenheit | 4 | 6 | 2 | July 31, 2026 | 2% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 8 | 0 | ||
| Solids, total suspended | 2 | 6 | 0 | ||
| Oil and grease, hexane extr method | 0 | 4 | 0 | ||
| Oil & Grease | 2 | 2 | 0 | ||
| Chlorine, total residual [dsg. time] | 1 | 1 | 0 | ||
| Mercury, total [as Hg] | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 22, 2022 | Monitoring Violations - Improper Analysis or Lab Error | 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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, SC0000574.
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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 SC0000574 there.
Nearby on the register
- Discharge permits in Beech Island
- Every permit record in Beech Island, 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.