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Interstate Chem Co Inc

Industrial Patterns, Erie, Pennsylvania. NPDES permit PA0043826, in force until Jun 30, 2031. Last 12 months: no values over a limit, 3 of 10 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (4 values)
Last report on file
July 2026
Oct 2024 – Sep 2025
0 values over a limit, 4 required values missing, 7 of 12 reports late

Limits in force (8)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitinstantaneous maximum≤ 110 deg FFeb–Oct
Temperature, water deg. fahrenheitinstantaneous maximum≤ 90.4 deg FDec
Temperature, water deg. fahrenheitinstantaneous maximum≤ 104.5 deg FJan
Temperature, water deg. fahrenheitinstantaneous maximum≤ 110 deg FNov
Temperature, water deg. fahrenheitinstantaneous maximum≤ 101.6 deg FNov
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year

How strict are these limits?

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

Same industry: the 19 Industrial and Commercial Machinery and Computer Equipment permits in Pennsylvania.

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0043826 · MCP: https://passage-data.com/mcp