Clean Water Act discharge permit · NPDES SCR10ZHQN

THOMAS ISLAND MARINA, Charleston, SC: NPDES SCR10ZHQN discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

THOMAS ISLAND MARINA, held by Shane Sandusky, holds NPDES permit SCR10ZHQN. EPA’s file records it issued May 30, 2025 and expiring May 29, 2030. 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.

What the register holds for THOMAS ISLAND MARINA: 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 SCR10ZHQN.

Identity

Facility as filed	THOMAS ISLAND MARINA
Permittee as filed	Shane Sandusky
NPDES ID	SCR10ZHQN
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	May 30, 2025
Expiration date	May 29, 2030
Issuing agency	State
Address	Charleston, SC 29492
Subwatershed	Lower Cooper River (HUC 030502010707)

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 SCR10ZHQN.

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 SCR10ZHQN.

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, SCR10ZHQN.

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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 SCR10ZHQN there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

The THOMAS ISLAND MARINA storm water construction permit is one of 815 such permits on EPA's NPDES register in Berkeley County, and 0.1% of those 815 permits have a violation on file. The permit also sits within the Lower Cooper River subwatershed, which holds 218 NPDES permits, this one included. Of all 815 storm water construction permits in Berkeley County, 72.9% were issued earlier than this one.