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Linde Gas and Equipment Inc

Industrial Gases, Stockertown, Pennsylvania. NPDES permit PA0053261, in force until Dec 31, 2029. Last 12 months: over a limit 5 times (last February 2026), 18 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 101 form A monthly (9 values), outfall 001 form S twice a year, outfall 002 form S twice a year
Last report on file
June 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 1 of 15 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
December 2025Chlorine, total residual, monthly average.57 mg/L≤ .5 mg/L14%
January 2026Chlorine, total residual, daily maximum1.15 mg/L≤ 1 mg/L15%
January 2026Chlorine, total residual, monthly average1 mg/L≤ .5 mg/L100%
February 2026Chlorine, total residual, daily maximum1.26 mg/L≤ 1 mg/L26%
February 2026Chlorine, total residual, monthly average.91 mg/L≤ .5 mg/L82%

Limits in force (29)

ParameterStatisticLimitMonthsOutfall
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year001
pHdaily maximumreport only (SU)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Iron, total [as Fe]daily maximumreport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001
Aluminum, total [as Al]daily maximumreport only (mg/L)all year001
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year002
pHdaily maximumreport only (SU)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Nitrogen, total [as N]daily maximumreport only (mg/L)all year002
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]daily maximumreport only (mg/L)all year002
Iron, total [as Fe]daily maximumreport only (mg/L)all year002
Lead, total [as Pb]daily maximumreport only (mg/L)all year002
Zinc, total [as Zn]daily maximumreport only (mg/L)all year002
Aluminum, total [as Al]daily maximumreport only (mg/L)all year002
Temperature, water deg. fahrenheitinstantaneous maximum≤ 110 deg Fall year101
pHinstantaneous minimum≥ 6 SUall year101
pHinstantaneous maximum≤ 9 SUall year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
Chlorine, total residualmonthly average≤ .5 mg/Lall year101
Chlorine, total residualdaily maximum≤ 1 mg/Lall year101
Solids, total dissolvedmonthly average≤ 1000 mg/Lall year101
Solids, total dissolveddaily maximum≤ 2000 mg/Lall year101

How strict are these limits?

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

Same industry: the 66 Chemicals and Allied Products permits in Pennsylvania.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0053261 · MCP: https://passage-data.com/mcp