Velarion Records

Clean Water Act discharge permit · NPDES SCG731551

WELBY'S CONSTRUCTION MATERIAL LLC/HATTARAS BLUFF MINE, Dorchester, SC: NPDES SCG731551 discharge permit, effluent exceedances, inspections, penalties

WELBY'S CONSTRUCTION MATERIAL LLC/HATTARAS BLUFF MINE, held by WELBY'S CONSTRUCTION MATERIAL LLC, holds NPDES permit SCG731551. EPA’s file records it issued May 21, 2021 and expiring December 31, 2022. 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.

Identity

Facility as filedWELBY'S CONSTRUCTION MATERIAL LLC/HATTARAS BLUFF MINE
Permittee as filedWELBY'S CONSTRUCTION MATERIAL LLC
NPDES IDSCG731551
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 21, 2021
Expiration dateDecember 31, 2022
Issuing agencyState
AddressDorchester, SC 29437
SubwatershedSkull Branch-Edisto River (HUC 030502060108)
NAICS212399 – All Other Nonmetallic Mineral Mining
SIC1499 – Miscellaneous Nonmetallic Minerals

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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
Solids, total suspended433June 30, 202256% over the limit
pH411December 31, 2021
Flow, in conduit or thru treatment plant400

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 SCG731551.

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 SCG731551 there.

Nearby on the register

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

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