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Graham C-Stores Co

Grocery Stores, Wadsworth, Illinois. NPDES permit IL0074535, in force until Jun 30, 2029. Last 12 months: over a limit 73 times (last August 2026), 106 required values missing, 12 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form 0 monthly (24 values), outfall INF form L monthly (4 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
57 values over a limit, 0 required values missing, 6 of 24 reports late

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

All 73 values over a limit
Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], daily maximum54 mg/L≤ 7.9 mg/L584%
October 2025Nitrogen, ammonia total [as N], monthly average1.53 lb/d≤ .4 lb/d283%
October 2025Nitrogen, ammonia total [as N], monthly average54 mg/L≤ 1.5 mg/L3500%
October 2025Nitrogen, ammonia total [as N], weekly average54 mg/L≤ 5.9 mg/L815%
November 2025Nitrogen, ammonia total [as N], daily maximum3.9 lb/d≤ 1.6 lb/d144%
November 2025Nitrogen, ammonia total [as N], daily maximum39 mg/L≤ 6.1 mg/L539%
November 2025Nitrogen, ammonia total [as N], monthly average2.79 lb/d≤ 1.1 lb/d154%
November 2025Nitrogen, ammonia total [as N], monthly average39 mg/L≤ 4 mg/L875%
December 2025Nitrogen, ammonia total [as N], daily maximum15 mg/L≤ 6.1 mg/L146%
December 2025Nitrogen, ammonia total [as N], monthly average14 mg/L≤ 4 mg/L250%
January 2026Nitrogen, ammonia total [as N], daily maximum27 mg/L≤ 6.1 mg/L343%
January 2026Nitrogen, ammonia total [as N], monthly average26.5 mg/L≤ 4 mg/L563%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average58 mg/L≤ 25 mg/L132%
February 2026BOD, carbonaceous [5 day, 20 C], weekly average58 mg/L≤ 40 mg/L45%
February 2026Nitrogen, ammonia total [as N], daily maximum2.385 lb/d≤ 1.6 lb/d49%
February 2026Nitrogen, ammonia total [as N], daily maximum22 mg/L≤ 6.1 mg/L261%
February 2026Nitrogen, ammonia total [as N], monthly average22 mg/L≤ 4 mg/L450%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average63 mg/L≤ 25 mg/L152%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average63 mg/L≤ 25 mg/L152%
March 2026BOD, carbonaceous [5 day, 20 C], weekly average63 mg/L≤ 40 mg/L58%
March 2026BOD, carbonaceous [5 day, 20 C], weekly average63 mg/L≤ 40 mg/L58%
March 2026Nitrogen, ammonia total [as N], daily maximum25 mg/L≤ 4.5 mg/L456%
March 2026Nitrogen, ammonia total [as N], daily maximum25 mg/L≤ 4.5 mg/L456%
March 2026Nitrogen, ammonia total [as N], monthly average25 mg/L≤ 2.3 mg/L987%
March 2026Nitrogen, ammonia total [as N], monthly average25 mg/L≤ 2.3 mg/L987%
April 2026Nitrogen, ammonia total [as N], daily maximum3.002 lb/d≤ 2.1 lb/d43%
April 2026Nitrogen, ammonia total [as N], daily maximum3.002 lb/d≤ 2.1 lb/d43%
April 2026Nitrogen, ammonia total [as N], daily maximum30 mg/L≤ 7.9 mg/L280%
April 2026Nitrogen, ammonia total [as N], daily maximum30 mg/L≤ 7.9 mg/L280%
April 2026Nitrogen, ammonia total [as N], monthly average3.002 lb/d≤ .4 lb/d651%
April 2026Nitrogen, ammonia total [as N], monthly average3.002 lb/d≤ .4 lb/d651%
April 2026Nitrogen, ammonia total [as N], monthly average30 mg/L≤ 1.5 mg/L1900%
April 2026Nitrogen, ammonia total [as N], monthly average30 mg/L≤ 1.5 mg/L1900%
April 2026Nitrogen, ammonia total [as N], weekly average3.002 lb/d≤ 1.6 lb/d88%
April 2026Nitrogen, ammonia total [as N], weekly average3.002 lb/d≤ 1.6 lb/d88%
April 2026Nitrogen, ammonia total [as N], weekly average30 mg/L≤ 5.9 mg/L408%
April 2026Nitrogen, ammonia total [as N], weekly average30 mg/L≤ 5.9 mg/L408%
May 2026Coliform, fecal general, daily maximum2360 #/100mL≤ 400 #/100mL490%
May 2026Coliform, fecal general, daily maximum2360 #/100mL≤ 400 #/100mL490%
May 2026Nitrogen, ammonia total [as N], daily maximum56 mg/L≤ 7.9 mg/L609%
May 2026Nitrogen, ammonia total [as N], daily maximum56 mg/L≤ 7.9 mg/L609%
May 2026Nitrogen, ammonia total [as N], monthly average56 mg/L≤ 1.5 mg/L3633%
May 2026Nitrogen, ammonia total [as N], monthly average56 mg/L≤ 1.5 mg/L3633%
May 2026Nitrogen, ammonia total [as N], weekly average56 mg/L≤ 5.9 mg/L849%
May 2026Nitrogen, ammonia total [as N], weekly average56 mg/L≤ 5.9 mg/L849%
June 2026Coliform, fecal general, daily maximum2360 #/100mL≤ 400 #/100mL490%
June 2026Nitrogen, ammonia total [as N], daily maximum56 mg/L≤ 5 mg/L1020%
June 2026Nitrogen, ammonia total [as N], monthly average.3736 lb/d≤ .37 lb/d1%
June 2026Nitrogen, ammonia total [as N], monthly average56 mg/L≤ 1.4 mg/L3900%
June 2026Nitrogen, ammonia total [as N], weekly average56 mg/L≤ 3.5 mg/L1500%
July 2026Coliform, fecal general, daily maximum1440 #/100mL≤ 400 #/100mL260%
July 2026Coliform, fecal general, daily maximum1440 #/100mL≤ 400 #/100mL260%
July 2026Nitrogen, ammonia total [as N], daily maximum4.203 lb/d≤ 1.3 lb/d223%
July 2026Nitrogen, ammonia total [as N], daily maximum4.203 lb/d≤ 1.3 lb/d223%
July 2026Nitrogen, ammonia total [as N], daily maximum56 mg/L≤ 5 mg/L1020%
July 2026Nitrogen, ammonia total [as N], daily maximum56 mg/L≤ 5 mg/L1020%
July 2026Nitrogen, ammonia total [as N], monthly average4.203 lb/d≤ .37 lb/d1036%
July 2026Nitrogen, ammonia total [as N], monthly average4.203 lb/d≤ .37 lb/d1036%
July 2026Nitrogen, ammonia total [as N], monthly average56 mg/L≤ 1.4 mg/L3900%
July 2026Nitrogen, ammonia total [as N], monthly average56 mg/L≤ 1.4 mg/L3900%
July 2026Nitrogen, ammonia total [as N], weekly average4.203 lb/d≤ .93 lb/d352%
July 2026Nitrogen, ammonia total [as N], weekly average4.203 lb/d≤ .93 lb/d352%
July 2026Nitrogen, ammonia total [as N], weekly average56 mg/L≤ 3.5 mg/L1500%
July 2026Nitrogen, ammonia total [as N], weekly average56 mg/L≤ 3.5 mg/L1500%
July 2026Solids, total suspended, monthly average35 mg/L≤ 30 mg/L17%
July 2026Solids, total suspended, monthly average35 mg/L≤ 30 mg/L17%
August 2026Coliform, fecal general, daily maximum3870 #/100mL≤ 400 #/100mL868%
August 2026Nitrogen, ammonia total [as N], daily maximum3.469 lb/d≤ 1.3 lb/d167%
August 2026Nitrogen, ammonia total [as N], daily maximum52 mg/L≤ 5 mg/L940%
August 2026Nitrogen, ammonia total [as N], monthly average3.469 lb/d≤ .37 lb/d838%
August 2026Nitrogen, ammonia total [as N], monthly average52 mg/L≤ 1.4 mg/L3614%
August 2026Nitrogen, ammonia total [as N], weekly average3.469 lb/d≤ .93 lb/d273%
August 2026Nitrogen, ammonia total [as N], weekly average52 mg/L≤ 3.5 mg/L1386%

Limits in force (44)

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≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 8 lb/dall year001
Solids, total suspendedweekly average≤ 12 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 2.3 mg/LMar001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LApr, May, Sep, Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 6.1 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 4.5 mg/LMar001
Nitrogen, ammonia total [as N]daily maximum≤ 7.9 mg/LApr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 5 mg/LJun–Aug001
Nitrogen, ammonia total [as N]monthly average≤ 1.1 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .61 lb/dMar001
Nitrogen, ammonia total [as N]monthly average≤ .4 lb/dApr, May, Sep, Oct001
Nitrogen, ammonia total [as N]monthly average≤ .37 lb/dJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 1.6 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 1.2 lb/dMar001
Nitrogen, ammonia total [as N]daily maximum≤ 2.1 lb/dApr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 1.3 lb/dJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 3.5 mg/LJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 5.9 mg/LApr, May, Sep, Oct001
Nitrogen, ammonia total [as N]weekly average≤ .93 lb/dJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 1.6 lb/dApr, May, Sep, Oct001
Phosphorus, total [as P]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 #/100mLall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 6.7 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 11 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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