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1C 111 Building Company LLC

Nonresidential Building Operators, Chicago, Illinois. NPDES permit IL0026531, in force until Mar 31, 2028. Last 12 months: no values over a limit, 15 required values missing, 6 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form 0 monthly (3 values)
Renewal application due
Oct 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 12 reports late

Limits in force (4)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitmonthly maximum≤ 63 deg FJan, Feb, Mar, Dec
Temperature, water deg. fahrenheitmonthly maximum≤ 93 deg FApr–Nov
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year

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

Same industry: the 76 Real Estate 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/IL0026531 · MCP: https://passage-data.com/mcp