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Plano, City of

Sewage treatment plant, major discharger, Plano, Illinois. NPDES permit IL0020052, in force until Feb 28, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form 0 monthly (66 values), outfall INF form L monthly (6 values), outfall 001 form S twice a year
Renewal application due
Sep 1, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 26 reports late

Limits in force (128)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year001
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year001
Oxygen, dissolved [DO]monthly average minimum≥ 6 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]monthly average minimum≥ 6 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]minimum weekly average≥ 4.5 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]minimum weekly average≥ 4.5 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]minimum weekly average≥ 6.25 mg/LMar–Jul001
Oxygen, dissolved [DO]minimum weekly average≥ 6.25 mg/LMar–Jul001
Oxygen, dissolved [DO]daily minimum≥ 4 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]daily minimum≥ 4 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]daily minimum≥ 5 mg/LMar–Jul001
Oxygen, dissolved [DO]daily minimum≥ 5 mg/LMar–Jul001
pHminimum≥ 6 SUall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
pHmaximum≤ 9 SUall year001
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year001
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year001
Solids, total suspendedmonthly average≤ 12 mg/Lall year001
Solids, total suspendedmonthly average≤ 12 mg/Lall year001
Solids, total suspendeddaily maximum≤ 24 mg/Lall year001
Solids, total suspendeddaily maximum≤ 24 mg/Lall year001
Solids, total suspendedmonthly average≤ 566 lb/dall year001
Solids, total suspendedmonthly average≤ 566 lb/dall year001
Solids, total suspendeddaily maximum≤ 1133 lb/dall year001
Solids, total suspendeddaily maximum≤ 1133 lb/dall year001
Oil & Greasedaily maximumreport only (mg/L)all year001
Oil & Greasedaily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LMar–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LMar–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 2.3 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 2.3 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 3 mg/LMar–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 3 mg/LMar–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 3.9 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 3.9 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 66 lb/dMar–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 66 lb/dMar–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 109 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 109 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 142 lb/dMar–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 142 lb/dMar–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 184 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 184 lb/dJan, Feb, Nov, Dec001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year001
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly average≤ 47 lb/dall year001
Phosphorus, total [as P]monthly average≤ 47 lb/dall year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Phosphorus, dissolveddaily maximumreport only (mg/L)all year001
Phosphorus, dissolveddaily maximumreport only (mg/L)all year001
Cyanide, total [as CN]daily maximumreport only (ug/L)all year001
Cyanide, total [as CN]daily maximumreport only (ug/L)all year001
Cyanide, free [amenable to chlorination]daily maximumreport only (ug/L)all year001
Cyanide, free [amenable to chlorination]daily maximumreport only (ug/L)all year001
Fluoride, total [as F]daily maximumreport only (mg/L)all year001
Fluoride, total [as F]daily maximumreport only (mg/L)all year001
Arsenic, total [as As]daily maximumreport only (mg/L)all year001
Arsenic, total [as As]daily maximumreport only (mg/L)all year001
Barium, total [as Ba]daily maximumreport only (mg/L)all year001
Barium, total [as Ba]daily maximumreport only (mg/L)all year001
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year001
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year001
Chromium, hexavalent [as Cr]daily maximumreport only (mg/L)all year001
Chromium, hexavalent [as Cr]daily maximumreport only (mg/L)all year001
Chromium, total [as Cr]daily maximumreport only (mg/L)all year001
Chromium, total [as Cr]daily maximumreport only (mg/L)all year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Iron, total [as Fe]daily maximumreport only (mg/L)all year001
Iron, total [as Fe]daily maximumreport only (mg/L)all year001
Iron, dissolved [as Fe]daily maximumreport only (mg/L)all year001
Iron, dissolved [as Fe]daily maximumreport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Manganese, total [as Mn]daily maximumreport only (mg/L)all year001
Manganese, total [as Mn]daily maximumreport only (mg/L)all year001
Nickel, total [as Ni]monthly average≤ .028 mg/Lall year001
Nickel, total [as Ni]monthly average≤ .028 mg/Lall year001
Nickel, total [as Ni]daily maximumreport only (mg/L)all year001
Nickel, total [as Ni]daily maximumreport only (mg/L)all year001
Nickel, total [as Ni]monthly average≤ 1.3 lb/dall year001
Nickel, total [as Ni]monthly average≤ 1.3 lb/dall year001
Silver, total [as Ag]daily maximumreport only (mg/L)all year001
Silver, total [as Ag]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001
Selenium, total [as Se]daily maximumreport only (mg/L)all year001
Selenium, total [as Se]daily maximumreport only (mg/L)all year001
Phenolics, total recoverabledaily maximumreport only (mg/L)all year001
Phenolics, total recoverabledaily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all 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
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ .038 mg/Lall year001
Chlorine, total residualdaily maximum≤ .038 mg/Lall year001
Nitrogen, Kjeldahl Totaldaily maximumreport only (mg/L)all year001
Nitrogen, Kjeldahl Totaldaily maximumreport only (mg/L)all year001
Mercury, total [as Hg]daily maximumreport only (ng/L)all year001
Mercury, total [as Hg]daily maximumreport only (ng/L)all year001
Coliform, fecal generaldaily maximum≤ 400 #/100mLMay–Oct001
Coliform, fecal generaldaily maximum≤ 400 #/100mLMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 20 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 20 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 472 lb/dall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 472 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 944 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 944 lb/dall year001
Flow, totalmonthly totalreport only (Mgal/mo)Nov001
Flow, totalmonthly totalreport only (Mgal/mo)Nov001
Flow, totalmonthly totalreport only (Mgal/mo)Nov001
Flow, totalmonthly totalreport only (Mgal/mo)Nov001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF
Nitrogen, total [as N]daily maximumreport only (mg/L)all yearINF
Phosphorus, total [as P]daily maximumreport only (mg/L)all yearINF
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearINF
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearINF

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IL0020052 · MCP: https://passage-data.com/mcp