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Fairfield Manufacturing Co.

Metal Coating And Allied Services, Lafayette, Indiana. NPDES permit IN0001481 expired Sep 30, 2026; its limits still apply. Last 12 months: over a limit 2 times (last February 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (11 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
6 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
January 2026Temperature, water deg. fahrenheit, daily maximum61 deg F≤ 55 deg F11%
February 2026Temperature, water deg. fahrenheit, daily maximum58 deg F≤ 55 deg F5%

Limits in force (23)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Apr, Nov
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Mar
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jan, Feb
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)May
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Jun–Sep
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Oct
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)Dec
Temperature, water deg. fahrenheitdaily maximum≤ 75 deg FApr, Nov
Temperature, water deg. fahrenheitdaily maximum≤ 65 deg FMar
Temperature, water deg. fahrenheitdaily maximum≤ 55 deg FJan, Feb
Temperature, water deg. fahrenheitdaily maximum≤ 85 deg FMay
Temperature, water deg. fahrenheitdaily maximum≤ 95 deg FJun–Sep
Temperature, water deg. fahrenheitdaily maximum≤ 83 deg FOct
Temperature, water deg. fahrenheitdaily maximum≤ 62 deg FDec
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year
Oil and grease, hexane extr methoddaily maximum≤ 5 mg/Lall 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
Chlorine, total residualmonthly average< .06 mg/Lall year
Chlorine, total residualdaily maximum< .06 mg/Lall year
Flow, totalmonthly totalreport only (Mgal/mo)all year

How strict are these limits?

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

Same industry: the 39 Fabricated Metal Products permits in Indiana.

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/IN0001481 · MCP: https://passage-data.com/mcp