Velarion Records

Clean Water Act discharge permit · NPDES SC0049362

GSW&SA CENTRAL WWTP, Conway, SC: NPDES SC0049362 discharge permit, effluent exceedances, inspections, penalties

GSW&SA CENTRAL WWTP, held by Grand Strand Water & Sewer Authority, holds NPDES permit SC0049362, which discharges to Waccamaw River. EPA’s file records it issued March 8, 2023 and expiring March 31, 2028. 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 GSW&SA CENTRAL WWTP: its NPDES ID, its permit type and status, its dates, its address in Conway, South Carolina, its receiving water, and 21 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SC0049362.

Identity

Facility as filedGSW&SA CENTRAL WWTP
Permittee as filedGrand Strand Water & Sewer Authority
NPDES IDSC0049362
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedMarch 8, 2023
Expiration dateMarch 31, 2028
Issuing agencyState
AddressConway, SC 29526
Receiving waterWaccamaw River
SubwatershedHalfway Swamp-Waccamaw River (HUC 030402060905)

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

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Oxygen demand, ultimate600
Solids, total suspended400
Nitrogen, total [as N]400
Nitrogen, ammonia total [as N]400
Phosphorus, total [as P]400
Cadmium, total [as Cd]400
Copper, total [as Cu]400
Lead, total [as Pb]400
Zinc, total [as Zn]400
Chlorine, total residual400
E. coli400
Mercury, total [as Hg]400
BOD, carbonaceous [5 day, 20 C]400
pH200
Flow, in conduit or thru treatment plant200
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia200
Oxygen, dissolved [DO]100
Solids, suspended percent removal100
Carbonaceous oxygen demand, % removal100
LC50 Static 48Hr Acute Ceriodaphnia dubia100
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES SC0049362.

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 SC0049362.

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, SC0049362.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
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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 SC0049362 there.

Nearby on the register

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

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