Passage Data · Check a report · Use it from your AI

NGK Metals Corp

Nonclassifiable Establishments, Reading, Pennsylvania. NPDES permit PA0261637 expired Sep 30, 2026; its limits still apply. Last 12 months: no values over a limit, 40 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (40 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (40)

ParameterStatisticLimitMonths
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 60 mg/Lall year
Solids, total suspendedmonthly average≤ 42.5 lb/dall year
Solids, total suspendeddaily maximum≤ 85.1 lb/dall year
Fluoride, total [as F]monthly average≤ 6.6 mg/Lall year
Fluoride, total [as F]daily maximum≤ 13.2 mg/Lall year
Fluoride, total [as F]monthly average≤ 9.4 lb/dall year
Fluoride, total [as F]daily maximum≤ 18.7 lb/dall year
Beryllium, total [as Be]monthly average≤ .027 mg/Lall year
Beryllium, total [as Be]daily maximum≤ .054 mg/Lall year
Beryllium, total [as Be]monthly average≤ .038 lb/dall year
Beryllium, total [as Be]daily maximum≤ .077 lb/dall year
Cadmium, total [as Cd]monthly average≤ .002 mg/Lall year
Cadmium, total [as Cd]daily maximum≤ .004 mg/Lall year
Cadmium, total [as Cd]monthly average≤ .003 lb/dall year
Cadmium, total [as Cd]daily maximum≤ .006 lb/dall year
Chromium, hexavalent [as Cr]monthly average≤ .033 mg/Lall year
Chromium, hexavalent [as Cr]daily maximum≤ .066 mg/Lall year
Chromium, hexavalent [as Cr]monthly average≤ .047 lb/dall year
Chromium, hexavalent [as Cr]daily maximum≤ .094 lb/dall year
Copper, total [as Cu]monthly average≤ .013 mg/Lall year
Copper, total [as Cu]daily maximum≤ .026 mg/Lall year
Copper, total [as Cu]monthly average≤ .018 lb/dall year
Copper, total [as Cu]daily maximum≤ .037 lb/dall year
1,1-Dichloroethylenemonthly average≤ .0008 mg/Lall year
1,1-Dichloroethylenedaily maximum≤ .0016 mg/Lall year
1,1-Dichloroethylenemonthly average≤ .0011 lb/dall year
1,1-Dichloroethylenedaily maximum≤ .0023 lb/dall year
1,1,1-Trichloroethanemonthly averagereport only (mg/L)all year
1,1,1-Trichloroethanedaily maximumreport only (mg/L)all year
1,1,1-Trichloroethanemonthly averagereport only (lb/d)all year
1,1,1-Trichloroethanedaily maximumreport only (lb/d)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Solids, total dissolvedmonthly average≤ 1000 mg/Lall year
Solids, total dissolveddaily maximum≤ 2000 mg/Lall year
Solids, total dissolvedmonthly average≤ 1418 lb/dall year
Solids, total dissolveddaily maximum≤ 2836 lb/dall year

How strict are these limits?

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

Same industry: the 15 Nonclassifiable Establishments permits in Pennsylvania.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0261637 · MCP: https://passage-data.com/mcp