Clean Water Act discharge permit · NPDES SCG646011

GSW&SA MYRTLE BEACH WTP, Myrtle Beach, SC: NPDES SCG646011 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
5Pollutants under a numeric limit
0Pollutants with an effluent exceedance

GSW&SA MYRTLE BEACH WTP, held by GRAND STRAND WATER & SEWER AUTHORITY CENTRAL WETLANDS PLT, holds NPDES permit SCG646011. EPA’s file records it issued December 2, 2015 and expiring December 30, 2020. 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.

Identity

Facility as filed	GSW&SA MYRTLE BEACH WTP
Permittee as filed	GRAND STRAND WATER & SEWER AUTHORITY CENTRAL WETLANDS PLT
NPDES ID	SCG646011
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	December 2, 2015
Expiration date	December 30, 2020
Issuing agency	State
Address	Myrtle Beach, SC 29577
Subwatershed	Upper Little River-Atlantic Intracoastal Waterway (HUC 030402080301)

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

Effluent limits and exceedances

6Pollutants on file
5Under a numeric limit
6With a violation of any kind
0With 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
pH	2	136
Solids, total suspended	2	136
Phosphorus, total [as P]	2	96
Flow, in conduit or thru treatment plant	2	96
Chlorine, total residual	2	96
Aluminum, total [as Al]	0	96

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES SCG646011.

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 SCG646011.

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.

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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 SCG646011 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES SCG646011, held by Grand Strand Water & Sewer Authority Central Wetlands Plt for the GSW&SA Myrtle Beach WTP in Myrtle Beach, SC, a minor discharger administratively continued past its expiration. The figures listed are 0 pollutants under a numeric limit and 6 pollutants on file, of which 5 are under a numeric limit, with the permit issued December 2, 2015 and expiring December 30, 2020, within Upper Little River-Atlantic Intracoastal Waterway (HUC 030402080301).