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Morris, City of

Sewage treatment plant, Morris, Illinois. NPDES permit IL0076902, in force until Jul 31, 2030. 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 (17 values), outfall INF form L monthly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (43)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 25 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 563 lb/dall year001
Solids, total suspendedweekly average≤ 1013 lb/dall year001
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/LMay001
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/LApr001
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/LJan001
Nitrogen, ammonia total [as N]daily maximum≤ 11.8 mg/LJun001
Nitrogen, ammonia total [as N]daily maximum≤ 11.8 mg/LAug001
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/LDec001
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/LSep001
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/LFeb001
Nitrogen, ammonia total [as N]daily maximum≤ 11.8 mg/LJul001
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/LMar001
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/LOct001
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/LNov001
Nitrogen, ammonia total [as N]daily maximum≤ 338 lb/dMay001
Nitrogen, ammonia total [as N]daily maximum≤ 338 lb/dApr001
Nitrogen, ammonia total [as N]daily maximum≤ 338 lb/dJan001
Nitrogen, ammonia total [as N]daily maximum≤ 266 lb/dJun001
Nitrogen, ammonia total [as N]daily maximum≤ 266 lb/dAug001
Nitrogen, ammonia total [as N]daily maximum≤ 338 lb/dDec001
Nitrogen, ammonia total [as N]daily maximum≤ 338 lb/dSep001
Nitrogen, ammonia total [as N]daily maximum≤ 338 lb/dFeb001
Nitrogen, ammonia total [as N]daily maximum≤ 266 lb/dJul001
Nitrogen, ammonia total [as N]daily maximum≤ 338 lb/dMar001
Nitrogen, ammonia total [as N]daily maximum≤ 338 lb/dOct001
Nitrogen, ammonia total [as N]daily maximum≤ 338 lb/dNov001
Chloride [as Cl]daily maximumreport only (mg/L)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
Chlorine, total residualdaily maximum≤ .05 mg/Lall year001
Coliform, fecal generaldaily maximum≤ 400 #/100mLMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 450 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 901 lb/dall year001
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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IL0076902 · MCP: https://passage-data.com/mcp