Passage Data · Check a report · Use it from your AI

Fairbury, City of

Sewage treatment plant, Fairbury, Illinois. NPDES permit IL0021601, in force until Jul 31, 2029. 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 (23 values), outfall 002 form 0 monthly (8 values), outfall INF form L monthly (4 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 60 reports late

Limits in force (49)

ParameterStatisticLimitMonthsOutfall
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≥ 6.25 mg/LMar–Jul001
Oxygen, dissolved [DO]daily minimum≥ 4 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]daily minimum≥ 5 mg/LMar–Jul001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 12 mg/Lall year001
Solids, total suspendeddaily maximum≤ 24 mg/Lall year001
Solids, total suspendedmonthly average≤ 240 lb/dall year001
Solids, total suspendeddaily maximum≤ 480 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LJun–Aug001
Nitrogen, ammonia total [as N]monthly average≤ 2.8 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 4.6 mg/LMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 4.8 mg/LJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 4.5 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 30 lb/dMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]monthly average≤ 20 lb/dJun–Aug001
Nitrogen, ammonia total [as N]monthly average≤ 56 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 92 lb/dMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 96 lb/dJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 90 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 2.5 mg/LJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 3.8 mg/LMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]weekly average≤ 50 lb/dJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 76 lb/dMar, Apr, May, Sep, Oct001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ .05 mg/Lall year001
Coliform, fecal generaldaily maximumreport only (#/100mL)May–Oct001
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]monthly average≤ 200 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 400 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendedmonthly averagereport only (mg/L)all year002
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year002
Chlorine, total residualmonthly average≤ .75 mg/Lall year002
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year002
Flow, totalmonthly totalreport only (Mgal/mo)all year002
Overflowsmonthly totalreport only (#/mo)all year003
Overflowsmonthly totalreport only (#/mo)all year008
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF
Solids, total suspendedmonthly averagereport 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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IL0021601 · MCP: https://passage-data.com/mcp