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Mclean County Old Town Timber Property Owners Association

Dwelling Operators, Except Apartments, Downs, Illinois. NPDES permit IL0071323, in force until Oct 31, 2027. Last 12 months: over a limit 9 times (last July 2026), 6 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form 0 monthly (23 values), outfall INF form L monthly (4 values)
Renewal application due
May 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
9 values over a limit, 0 required values missing, 10 of 24 reports late

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

Period endingParameterReportedLimitOver by
January 2026Coliform, fecal general, daily maximum620 #/100mL≤ 400 #/100mL55%
January 2026Nitrogen, ammonia total [as N], monthly average.099 lb/d≤ .08 lb/d24%
January 2026Solids, total suspended, monthly average14 mg/L≤ 12 mg/L17%
February 2026Coliform, fecal general, daily maximum640 #/100mL≤ 400 #/100mL60%
February 2026Nitrogen, ammonia total [as N], monthly average.127 lb/d≤ .08 lb/d59%
February 2026Nitrogen, ammonia total [as N], monthly average3.53 mg/L≤ 2.8 mg/L26%
March 2026Coliform, fecal general, daily maximum880 #/100mL≤ 400 #/100mL120%
March 2026Nitrogen, ammonia total [as N], monthly average2.44 mg/L≤ 1.5 mg/L63%
July 2026Coliform, fecal general, daily maximum510 #/100mL≤ 400 #/100mL28%

Limits in force (39)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly average minimum≥ 5.5 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]minimum weekly average≥ 4 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]minimum weekly average≥ 6 mg/LMar–Jul001
Oxygen, dissolved [DO]daily minimum≥ 3.5 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≤ 3.2 lb/dall year001
Solids, total suspendeddaily maximum≤ 6.4 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/LJun–Aug001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]monthly average≤ 2.8 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 3 mg/LJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 5.2 mg/LMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 4.8 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .32 lb/dJun–Aug001
Nitrogen, ammonia total [as N]monthly average≤ .4 lb/dMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]monthly average≤ .08 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ .8 lb/dJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 1.4 lb/dMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 1.3 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 3 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≤ .8 lb/dJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 1 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 maximum≤ 400 #/100mLall 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]monthly average≤ 2.7 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 5.3 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.

Same industry: the 76 Real Estate permits in Illinois.

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Your permit document is the final word. As JSON: /api/v1/permits/IL0071323 · MCP: https://passage-data.com/mcp