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Fuyao Glass Illinois Inc

Flat Glass, Mount Zion, Illinois. NPDES permit IL0001791, in force until Jul 31, 2030. Last 12 months: over a limit 16 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form 0 monthly (6 values), outfall A01 form 0 monthly (6 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
15 values over a limit, 0 required values missing, 0 of 24 reports late

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

All 16 values over a limit
Period endingOutfallParameterReportedLimitOver by
October 2025A01Solids, total suspended, 30-day average16 mg/L≤ 12 mg/L33%
October 2025A01Solids, total suspended, daily maximum27 mg/L≤ 24 mg/L13%
November 2025A01Solids, total suspended, 30-day average122.3 mg/L≤ 12 mg/L919%
November 2025A01Solids, total suspended, daily maximum420 mg/L≤ 24 mg/L1650%
March 2026001Temperature, water deg. fahrenheit, monthly maximum63.14 deg F≤ 63 deg F0%
March 2026001pH, monthly maximum9.03 SU≤ 9 SU—
March 2026A01Solids, total suspended, 30-day average87.4 mg/L≤ 12 mg/L628%
March 2026A01Solids, total suspended, daily maximum290 mg/L≤ 24 mg/L1108%
April 2026A01Solids, total suspended, 30-day average20.8 mg/L≤ 12 mg/L73%
April 2026A01Solids, total suspended, daily maximum41 mg/L≤ 24 mg/L71%
May 2026001pH, monthly maximum9.2 SU≤ 9 SU—
May 2026A01Solids, total suspended, 30-day average14.1 mg/L≤ 12 mg/L18%
May 2026A01Solids, total suspended, daily maximum33 mg/L≤ 24 mg/L38%
June 2026001pH, monthly maximum9.3 SU≤ 9 SU—
July 2026001pH, monthly maximum10.28 SU≤ 9 SU—
August 2026001pH, monthly maximum10.53 SU≤ 9 SU—

Limits in force (13)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly maximum≤ 63 deg FJan, Feb, Mar, Dec001
Temperature, water deg. fahrenheitmonthly maximum≤ 93 deg FApr–Nov001
pHmonthly minimum≥ 6.5 SUall year001
pHmonthly maximum≤ 9 SUall year001
Phosphorus, total [as P]daily maximum≤ 1 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Solids, total suspended30-day average≤ 12 mg/Lall yearA01
Solids, total suspendeddaily maximum≤ 24 mg/Lall yearA01
Oil & Grease30-day average≤ 15 mg/Lall yearA01
Oil & Greasedaily maximum≤ 30 mg/Lall yearA01
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearA01
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearA01

How strict are these limits?

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

Same industry: the 11 Stone, Clay, Glass and Concrete 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/IL0001791 · MCP: https://passage-data.com/mcp