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DDP Specialty Electronic Materials US LLC

Plastics Materials And Resins, Channahon, Illinois. NPDES permit IL0037851, in force until Feb 28, 2031. Last 12 months: over a limit once (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 004 form 0 monthly (4 values), outfall A04 form 0 monthly (11 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

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

Period endingParameterReportedLimitOver by
July 2026Solids, total suspended, semi-annual average19.6 mg/L≤ 15 mg/L31%

Limits in force (21)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6 SUall year004
pHmaximum≤ 9 SUall year004
Solids, total suspendedsemi-annual average≤ 15 mg/LJan, Jul004
Solids, total suspendedsemi-annual maximum≤ 30 mg/LJan, Jul004
Chloride [as Cl]semi-annual averagereport only (mg/L)Jan, Jul004
Chloride [as Cl]semi-annual maximumreport only (mg/L)Jan, Jul004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
BOD, 5-day, 20 deg. C30-day average≤ 30 mg/Lall yearA04
BOD, 5-day, 20 deg. Cdaily maximum≤ 60 mg/Lall yearA04
BOD, 5-day, 20 deg. C30-day average≤ 2.1 lb/dall yearA04
BOD, 5-day, 20 deg. Cdaily maximum≤ 4.1 lb/dall yearA04
Solids, total suspended30-day average≤ 30 mg/Lall yearA04
Solids, total suspendeddaily maximum≤ 60 mg/Lall yearA04
Solids, total suspended30-day average≤ 2.1 lb/dall yearA04
Solids, total suspendeddaily maximum≤ 4.1 lb/dall yearA04
Oil & Greasesemi-annual average≤ 15 mg/LJan, JulA04
Oil & Greasesemi-annual maximum≤ 30 mg/LJan, JulA04
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearA04
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearA04
Coliform, fecal generaldaily maximum≤ 400 #/100mLall yearA04

How strict are these limits?

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

Same industry: the 58 Chemicals and Allied Products 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/IL0037851 · MCP: https://passage-data.com/mcp