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Norris City, Village of

Sewage treatment plant, Norris City, Illinois. NPDES permit IL0030155, in force until Jun 30, 2029. Last 12 months: over a limit 30 times (last July 2026), 8 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)
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 25 required values missing, 24 of 24 reports late

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

All 30 values over a limit
Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], daily maximum7.9 mg/L≤ 5.3 mg/L49%
October 2025Nitrogen, ammonia total [as N], monthly average2.1 mg/L≤ 1.6 mg/L31%
November 2025Nitrogen, ammonia total [as N], daily maximum10.1 mg/L≤ 7.2 mg/L40%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average10.6 mg/L≤ 10 mg/L6%
January 2026BOD, carbonaceous [5 day, 20 C], daily maximum39 mg/L≤ 20 mg/L95%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average16.4 mg/L≤ 10 mg/L64%
January 2026Nitrogen, ammonia total [as N], daily maximum20 mg/L≤ 7.2 mg/L178%
January 2026Nitrogen, ammonia total [as N], monthly average7.6 mg/L≤ 3.9 mg/L95%
January 2026Oxygen, dissolved [DO], daily minimum2 mg/L≥ 3.5 mg/L43%
January 2026Oxygen, dissolved [DO], monthly average minimum4.46 mg/L≥ 5.5 mg/L19%
February 2026Oxygen, dissolved [DO], monthly average minimum5.3 mg/L≥ 5.5 mg/L4%
March 2026Nitrogen, ammonia total [as N], daily maximum22.8 mg/L≤ 8 mg/L185%
March 2026Nitrogen, ammonia total [as N], monthly average11 lb/d≤ 8.4 lb/d31%
March 2026Nitrogen, ammonia total [as N], monthly average8.25 mg/L≤ 1.9 mg/L334%
March 2026Nitrogen, ammonia total [as N], weekly average8.25 mg/L≤ 4.8 mg/L72%
March 2026Oxygen, dissolved [DO], daily minimum4.2 mg/L≥ 5 mg/L16%
April 2026Oxygen, dissolved [DO], daily minimum3.4 mg/L≥ 5 mg/L32%
April 2026Oxygen, dissolved [DO], minimum weekly average5.05 mg/L≥ 6 mg/L16%
May 2026BOD, carbonaceous [5 day, 20 C], daily maximum47 mg/L≤ 20 mg/L135%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average22 mg/L≤ 10 mg/L120%
May 2026Chlorine, total residual, daily maximum.06 mg/L≤ .05 mg/L20%
May 2026Nitrogen, ammonia total [as N], daily maximum13.8 mg/L≤ 5.3 mg/L160%
May 2026Nitrogen, ammonia total [as N], monthly average4.4 mg/L≤ 1.6 mg/L175%
May 2026Oxygen, dissolved [DO], daily minimum.9 mg/L≥ 5 mg/L82%
May 2026Oxygen, dissolved [DO], minimum weekly average4.4 mg/L≥ 6 mg/L27%
May 2026Solids, total suspended, daily maximum92 mg/L≤ 24 mg/L283%
May 2026Solids, total suspended, monthly average39 mg/L≤ 12 mg/L225%
June 2026Chlorine, total residual, daily maximum.06 mg/L≤ .05 mg/L20%
July 2026Oxygen, dissolved [DO], daily minimum4.5 mg/L≥ 5 mg/L10%
July 2026Oxygen, dissolved [DO], minimum weekly average5.5 mg/L≥ 6 mg/L8%

Limits in force (77)

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≤ 53 lb/dall year001
Solids, total suspendeddaily maximum≤ 106 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/LMay001
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/LApr001
Nitrogen, ammonia total [as N]monthly average≤ 3.9 mg/LJan001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LAug001
Nitrogen, ammonia total [as N]monthly average≤ 3.9 mg/LDec001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LJun001
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/LSep001
Nitrogen, ammonia total [as N]monthly average≤ 3.9 mg/LFeb001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LJul001
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LMar001
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/LOct001
Nitrogen, ammonia total [as N]monthly average≤ 3.9 mg/LNov001
Nitrogen, ammonia total [as N]daily maximum≤ 5.3 mg/LMay001
Nitrogen, ammonia total [as N]daily maximum≤ 5.3 mg/LApr001
Nitrogen, ammonia total [as N]daily maximum≤ 7.2 mg/LJan001
Nitrogen, ammonia total [as N]daily maximum≤ 5.3 mg/LAug001
Nitrogen, ammonia total [as N]daily maximum≤ 7.2 mg/LDec001
Nitrogen, ammonia total [as N]daily maximum≤ 5.3 mg/LJun001
Nitrogen, ammonia total [as N]daily maximum≤ 5.3 mg/LSep001
Nitrogen, ammonia total [as N]daily maximum≤ 7.2 mg/LFeb001
Nitrogen, ammonia total [as N]daily maximum≤ 5.3 mg/LJul001
Nitrogen, ammonia total [as N]daily maximum≤ 8 mg/LMar001
Nitrogen, ammonia total [as N]daily maximum≤ 5.3 mg/LOct001
Nitrogen, ammonia total [as N]daily maximum≤ 7.2 mg/LNov001
Nitrogen, ammonia total [as N]monthly average≤ 7.1 lb/dMay001
Nitrogen, ammonia total [as N]monthly average≤ 7.1 lb/dApr001
Nitrogen, ammonia total [as N]monthly average≤ 17 lb/dJan001
Nitrogen, ammonia total [as N]monthly average≤ 4.4 lb/dAug001
Nitrogen, ammonia total [as N]monthly average≤ 17 lb/dDec001
Nitrogen, ammonia total [as N]monthly average≤ 4.4 lb/dJun001
Nitrogen, ammonia total [as N]monthly average≤ 7.1 lb/dSep001
Nitrogen, ammonia total [as N]monthly average≤ 17 lb/dFeb001
Nitrogen, ammonia total [as N]monthly average≤ 4.4 lb/dJul001
Nitrogen, ammonia total [as N]monthly average≤ 8.4 lb/dMar001
Nitrogen, ammonia total [as N]monthly average≤ 7.1 lb/dOct001
Nitrogen, ammonia total [as N]monthly average≤ 17 lb/dNov001
Nitrogen, ammonia total [as N]daily maximum≤ 23 lb/dMay001
Nitrogen, ammonia total [as N]daily maximum≤ 23 lb/dApr001
Nitrogen, ammonia total [as N]daily maximum≤ 32 lb/dJan001
Nitrogen, ammonia total [as N]daily maximum≤ 23 lb/dAug001
Nitrogen, ammonia total [as N]daily maximum≤ 32 lb/dDec001
Nitrogen, ammonia total [as N]daily maximum≤ 23 lb/dJun001
Nitrogen, ammonia total [as N]daily maximum≤ 23 lb/dSep001
Nitrogen, ammonia total [as N]daily maximum≤ 32 lb/dFeb001
Nitrogen, ammonia total [as N]daily maximum≤ 23 lb/dJul001
Nitrogen, ammonia total [as N]daily maximum≤ 35 lb/dMar001
Nitrogen, ammonia total [as N]daily maximum≤ 23 lb/dOct001
Nitrogen, ammonia total [as N]daily maximum≤ 32 lb/dNov001
Nitrogen, ammonia total [as N]weekly average≤ 4.8 mg/LApr, May, Sep, Oct001
Nitrogen, ammonia total [as N]weekly average≤ 2.5 mg/LJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 4.8 mg/LMar001
Nitrogen, ammonia total [as N]weekly average≤ 21 lb/dApr, May, Sep, Oct001
Nitrogen, ammonia total [as N]weekly average≤ 11 lb/dJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 21 lb/dMar001
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≤ 44 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 88 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.

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