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Deere & Company World Headquarters

Executive Offices, Moline, Illinois. NPDES permit IL0078581, in force until Jun 30, 2029. Last 12 months: over a limit once (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due: About 25 days after each period: form 0 monthly (5 values)
Last report on file: August 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period ending	Parameter	Reported	Limit
July 2026	pH, monthly maximum	9.07 SU	≤ 9 SU

Limits in force (6)

Parameter	Statistic	Limit	Months
Temperature, water deg. fahrenheit	monthly maximum	≤ 63 deg F	Jan, Feb, Mar, Dec
Temperature, water deg. fahrenheit	monthly maximum	≤ 93 deg F	Apr–Nov
pH	monthly minimum	≥ 6.5 SU	all year
pH	monthly maximum	≤ 9 SU	all year
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year

How strict are these limits?

pH, monthly minimum at least 6.5 SU — stricter than 38% of 286 other minor industrial and other permits in Illinois; 61% have the same limit

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IL0078581 · MCP: https://passage-data.com/mcp