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Pilkington North America Inc

Flat Glass, Laurinburg, North Carolina. NPDES permit NC0049514 expired Aug 31, 2024; its limits still apply. Last 12 months: no values over a limit, 9 required values missing, 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form M monthly (10 values)
Last report on file: August 2026
Oct 2024 – Sep 2025: 1 value over a limit, 1 required value missing, 0 of 12 reports late

Limits in force (10)

Parameter	Statistic	Limit	Months
Solids, total suspended	30-day average	≤ 30 mg/L	all year
Solids, total suspended	daily maximum	≤ 45 mg/L	all year
Fluoride, total [as F]	30-day average	≤ 1800 ug/L	all year
Fluoride, total [as F]	daily maximum	≤ 1800 ug/L	all year
Chromium, hexavalent [as Cr]	30-day average	≤ 11 ug/L	all year
Chromium, hexavalent [as Cr]	daily maximum	≤ 16 ug/L	all year
Molybdenum, total [as Mo]	30-day average	≤ 2000 ug/L	all year
Molybdenum, total [as Mo]	daily maximum	≤ 2000 ug/L	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year
Chlorine, total residual	daily maximum	≤ 17 ug/L	all year

How strict are these limits?

Chlorine, total residual, daily maximum 17 ug/L — stricter than 56% of 457 other minor industrial and other permits in North Carolina; 34% have the same limit
Chromium, hexavalent [as Cr], daily maximum 16 ug/L — stricter than 48% of 45 other minor industrial and other permits nationwide; 22% have the same limit
Fluoride, total [as F], daily maximum 1800 ug/L — stricter than 13% of 29 other minor industrial and other permits nationwide

Cited limits by parameter: North Carolina's rules and the federal ones.

Same industry: the 9 Stone, Clay, Glass and Concrete Products permits in North Carolina.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NC0049514 · MCP: https://passage-data.com/mcp