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Clean Water Act discharge permit · NPDES SCR10Z92U

PROJECT THROUGHPUT ESP, Charleston, SC: NPDES SCR10Z92U discharge permit, effluent exceedances, inspections, penalties

PROJECT THROUGHPUT ESP, held by Robert Combs, TKC Tradeport LLC, holds NPDES permit SCR10Z92U. EPA’s file records it issued October 5, 2021 and expiring October 4, 2026. 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 PROJECT THROUGHPUT ESP: its NPDES ID, its permit type and status, its dates, its address in Charleston, South Carolina. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SCR10Z92U.

Identity

Facility as filedPROJECT THROUGHPUT ESP
Permittee as filedRobert Combs, TKC Tradeport LLC
NPDES IDSCR10Z92U
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedOctober 5, 2021
Expiration dateOctober 4, 2026
Issuing agencyState
AddressCharleston, SC 29492
SubwatershedUpper Cooper River (HUC 030502010705)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES SCR10Z92U.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES SCR10Z92U.

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, SCR10Z92U.

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  • One permit holder — $99/month
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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 SCR10Z92U there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

PROJECT THROUGHPUT ESP is one of 815 storm water construction permits in Berkeley County, and only 0.1% of those permits have a violation on file. The permit also sits among 32 NPDES permits in the Upper Cooper River subwatershed, and it has no pollutants under a numeric limit and no effluent exceedances.