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Koch Fertilizer, LLC

Special Warehousing And Storage, East Alton, Illinois. NPDES permit IL0070173, in force until Aug 31, 2030. Last 12 months: over a limit once (last October 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due: About 25 days after each period: form 0 monthly (11 values)
Last report on file: September 2026
Oct 2024 – Sep 2025: 2 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	Over by
October 2025	Chloride [as Cl], daily maximum	711 mg/L	≤ 500 mg/L	42%

Limits in force (12)

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
Sulfate [as S]	30-day average	report only (mg/L)	all year
Sulfate [as S]	daily maximum	report only (mg/L)	all year
pH	monthly minimum	≥ 6.5 SU	all year
pH	monthly maximum	≤ 9 SU	all year
Solids, total suspended	30-day average	≤ 15 mg/L	all year
Solids, total suspended	daily maximum	≤ 30 mg/L	all year
Chloride [as Cl]	daily maximum	≤ 500 mg/L	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
Chlorine, total residual	daily maximum	≤ .05 mg/L	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
Solids, total suspended, 30-day average 15 mg/L — stricter than 37% of 259 other minor industrial and other permits in Illinois; 48% have the same limit
Solids, total suspended, daily maximum 30 mg/L — stricter than 20% of 508 other minor industrial and other permits in Illinois; 24% have the same limit

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

Same industry: the 11 Motor Freight Transportation and Warehousing permits in Illinois.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IL0070173 · MCP: https://passage-data.com/mcp