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Mining and Quarrying of Nonmetallic Minerals — NPDES discharge permits in South Carolina

Of the 6 permits in EPA's SIC 14 in SC, 0 went over a limit between 2025-10-01 and 2026-09-30. 6 are past the expiry date EPA's file holds; 0 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
ATOMIC SAND LLC
SC0027529 · Construction Sand And Gravel
No value over a limitPermit past the expiry date EPA's file holds
American Materials/Lynches River Quarry
SC0048445 · Crushed And Broken Granite
No value over a limitPermit past the expiry date EPA's file holds
Glasscock Company, Inc.
SC0040088 · Construction Sand And Gravel
No value over a limitPermit past the expiry date EPA's file holds
LCP MINING COMPANY LLC
SC0048488 · Miscellaneous Nonmetallic Minerals
No value over a limit; 80 required values not reportedPermit past the expiry date EPA's file holds
NUCOR CORPORATION
SC0048283 · Miscellaneous Nonmetallic Minerals
No value over a limitPermit past the expiry date EPA's file holds
Specialty Vermiculite LLC
SC0045811 · Miscellaneous Nonmetallic Minerals
No value over a limitPermit past the expiry date EPA's file holds

The record is EPA's ICIS-NPDES file of 2026-10-15: values filed against each limit between Oct 1, 2025 and Sep 30, 2026. No reports on file may be EPA's gap, not the facility's.

For programs and AI agents: this screen as JSON at /api/v1/permits?state=SC&sic=14, narrowed with &over_limit=true, &parameter=phosphorus or &renewal=due; or add https://passage-data.com/mcp as a remote MCP server (tool list_permits). Free, no key. llms.txt

From EPA's ECHO data, not the permit document itself: your permit is the final word. All states