Clean Water Act discharge permit · NPDES SCR16Z0BA
US 378 & SC 527 INTERSECTION IMPROVEMENT, Sumter, SC: NPDES SCR16Z0BA discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
US 378 & SC 527 INTERSECTION IMPROVEMENT, held by William Keith Riddle, holds NPDES permit SCR16Z0BA. EPA’s file records it issued March 19, 2025 and expiring March 18, 2030. 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.
What the register holds for US 378 & SC 527 INTERSECTION IMPROVEMENT: its NPDES ID, its permit type and status, its dates, its address in Sumter, South Carolina. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SCR16Z0BA.
Identity
| Facility as filed | US 378 & SC 527 INTERSECTION IMPROVEMENT |
|---|---|
| Permittee as filed | William Keith Riddle |
| NPDES ID | SCR16Z0BA |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 19, 2025 |
| Expiration date | March 18, 2030 |
| Issuing agency | State |
| Address | Sumter, SC |
| Subwatershed | Long Branch-Black River (HUC 030402050602) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES SCR16Z0BA.
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 SCR16Z0BA.
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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How we handle your data → Privacy
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 SCR16Z0BA there.
Nearby on the register
- Discharge permits in Sumter
- Every permit record in Sumter, 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.