Clean Water Act discharge permit · NPDES SCG731485
GASTER'S GRADING CO INC/GASTER MINE, Florence, SC: NPDES SCG731485 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 3Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
GASTER'S GRADING CO INC/GASTER MINE, held by GASTERS GRADING CO INC, holds NPDES permit SCG731485. EPA’s file records it issued August 28, 2018 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 filed | GASTER'S GRADING CO INC/GASTER MINE |
|---|---|
| Permittee as filed | GASTERS GRADING CO INC |
| NPDES ID | SCG731485 |
| 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 | August 28, 2018 |
| Expiration date | December 31, 2022 |
| Issuing agency | State |
| Address | Florence, SC 29555 |
| Subwatershed | Outlet Black Creek (HUC 030402010710) |
| NAICS | 212321 – Construction Sand and Gravel Mining |
| SIC | 1499 – 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
- 3Pollutants on file
- 3Under a numeric limit
- 3With 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 | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| pH | 2 | 68 | 0 | ||
| Solids, total suspended | 2 | 68 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 68 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES SCG731485.
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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 2, 2026 | Management Practice Violations - Failure to Maintain Records | ST6 |
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 SCG731485 there.
Nearby on the register
- Discharge permits in Florence
- Every permit record in Florence, A to Z
- Discharge permits in South Carolina
- Every permit record in South Carolina, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.