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Stelle Community Association

Private Households, Stelle, Illinois. NPDES permit IL0026697, in force until Dec 31, 2029. Last 12 months: over a limit 130 times (last August 2026), 14 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
145 values over a limit, 0 required values missing, 12 of 24 reports late

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

All 130 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], daily maximum93 mg/L≤ 20 mg/L365%
October 2025BOD, carbonaceous [5 day, 20 C], monthly average93 mg/L≤ 10 mg/L830%
October 2025Nitrogen, ammonia total [as N], daily maximum1.75 lb/d≤ 1.5 lb/d17%
October 2025Nitrogen, ammonia total [as N], daily maximum54 mg/L≤ 4.6 mg/L1074%
October 2025Nitrogen, ammonia total [as N], monthly average1.75 lb/d≤ .5 lb/d250%
October 2025Nitrogen, ammonia total [as N], monthly average54 mg/L≤ 1.5 mg/L3500%
October 2025Nitrogen, ammonia total [as N], weekly average1.75 lb/d≤ 1.3 lb/d35%
October 2025Nitrogen, ammonia total [as N], weekly average54 mg/L≤ 3.8 mg/L1321%
October 2025Oxygen, dissolved [DO], daily minimum1 mg/L≥ 3.5 mg/L71%
October 2025Oxygen, dissolved [DO], minimum weekly average1 mg/L≥ 4 mg/L75%
October 2025Oxygen, dissolved [DO], monthly average minimum1 mg/L≥ 5.5 mg/L82%
October 2025Solids, total suspended, monthly average23 mg/L≤ 12 mg/L92%
November 2025BOD, carbonaceous [5 day, 20 C], daily maximum90 mg/L≤ 20 mg/L350%
November 2025BOD, carbonaceous [5 day, 20 C], monthly average90 mg/L≤ 10 mg/L800%
November 2025Nitrogen, ammonia total [as N], daily maximum54 mg/L≤ 4.5 mg/L1100%
November 2025Nitrogen, ammonia total [as N], monthly average1.35 lb/d≤ .9 lb/d50%
November 2025Nitrogen, ammonia total [as N], monthly average54 mg/L≤ 2.8 mg/L1829%
November 2025Oxygen, dissolved [DO], daily minimum1 mg/L≥ 3.5 mg/L71%
November 2025Oxygen, dissolved [DO], minimum weekly average1 mg/L≥ 4 mg/L75%
November 2025Oxygen, dissolved [DO], monthly average minimum1 mg/L≥ 5.5 mg/L82%
November 2025Solids, total suspended, daily maximum31 mg/L≤ 24 mg/L29%
November 2025Solids, total suspended, monthly average31 mg/L≤ 12 mg/L158%
December 2025BOD, carbonaceous [5 day, 20 C], daily maximum59 mg/L≤ 20 mg/L195%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average59 mg/L≤ 10 mg/L490%
December 2025Nitrogen, ammonia total [as N], daily maximum2 lb/d≤ 1.5 lb/d33%
December 2025Nitrogen, ammonia total [as N], daily maximum50.4 mg/L≤ 4.5 mg/L1020%
December 2025Nitrogen, ammonia total [as N], monthly average2 lb/d≤ .9 lb/d122%
December 2025Nitrogen, ammonia total [as N], monthly average50.4 mg/L≤ 2.8 mg/L1700%
December 2025Oxygen, dissolved [DO], daily minimum1 mg/L≥ 3.5 mg/L71%
December 2025Oxygen, dissolved [DO], minimum weekly average1 mg/L≥ 4 mg/L75%
December 2025Oxygen, dissolved [DO], monthly average minimum1 mg/L≥ 5.5 mg/L82%
December 2025Solids, total suspended, monthly average20 mg/L≤ 12 mg/L67%
January 2026BOD, carbonaceous [5 day, 20 C], daily maximum96 mg/L≤ 20 mg/L380%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average96 mg/L≤ 10 mg/L860%
January 2026Nitrogen, ammonia total [as N], daily maximum1.57 lb/d≤ 1.5 lb/d5%
January 2026Nitrogen, ammonia total [as N], daily maximum52.2 mg/L≤ 4.5 mg/L1060%
January 2026Nitrogen, ammonia total [as N], monthly average1.57 lb/d≤ .9 lb/d74%
January 2026Nitrogen, ammonia total [as N], monthly average52.2 mg/L≤ 2.8 mg/L1764%
January 2026Oxygen, dissolved [DO], daily minimum1 mg/L≥ 3.5 mg/L71%
January 2026Oxygen, dissolved [DO], minimum weekly average1 mg/L≥ 4 mg/L75%
January 2026Oxygen, dissolved [DO], monthly average minimum1 mg/L≥ 5.5 mg/L82%
January 2026Solids, total suspended, daily maximum28 mg/L≤ 24 mg/L17%
January 2026Solids, total suspended, monthly average28 mg/L≤ 12 mg/L133%
February 2026BOD, carbonaceous [5 day, 20 C], daily maximum82 mg/L≤ 20 mg/L310%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average82 mg/L≤ 10 mg/L720%
February 2026Nitrogen, ammonia total [as N], daily maximum54 mg/L≤ 4.5 mg/L1100%
February 2026Nitrogen, ammonia total [as N], monthly average1.4 lb/d≤ .9 lb/d56%
February 2026Nitrogen, ammonia total [as N], monthly average54 mg/L≤ 2.8 mg/L1829%
February 2026Oxygen, dissolved [DO], daily minimum1 mg/L≥ 3.5 mg/L71%
February 2026Oxygen, dissolved [DO], minimum weekly average1 mg/L≥ 4 mg/L75%
February 2026Oxygen, dissolved [DO], monthly average minimum1 mg/L≥ 5.5 mg/L82%
February 2026Solids, total suspended, daily maximum37 mg/L≤ 24 mg/L54%
February 2026Solids, total suspended, monthly average37 mg/L≤ 12 mg/L208%
March 2026BOD, carbonaceous [5 day, 20 C], daily maximum94 mg/L≤ 20 mg/L370%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average94 mg/L≤ 10 mg/L840%
March 2026Nitrogen, ammonia total [as N], daily maximum1.8 lb/d≤ 1.5 lb/d20%
March 2026Nitrogen, ammonia total [as N], daily maximum52.2 mg/L≤ 4.6 mg/L1035%
March 2026Nitrogen, ammonia total [as N], monthly average1.8 lb/d≤ .5 lb/d260%
March 2026Nitrogen, ammonia total [as N], monthly average52.2 mg/L≤ 1.5 mg/L3380%
March 2026Nitrogen, ammonia total [as N], weekly average1.8 lb/d≤ 1.3 lb/d38%
March 2026Nitrogen, ammonia total [as N], weekly average52.2 mg/L≤ 3.8 mg/L1274%
March 2026Oxygen, dissolved [DO], daily minimum0 mg/L≥ 5 mg/L100%
March 2026Oxygen, dissolved [DO], minimum weekly average0 mg/L≥ 6 mg/L100%
March 2026Solids, total suspended, daily maximum30 mg/L≤ 24 mg/L25%
March 2026Solids, total suspended, monthly average30 mg/L≤ 12 mg/L150%
April 2026BOD, carbonaceous [5 day, 20 C], daily maximum86 mg/L≤ 20 mg/L330%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average4 lb/d≤ 3.3 lb/d21%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average86 mg/L≤ 10 mg/L760%
April 2026Nitrogen, ammonia total [as N], daily maximum2.54 lb/d≤ 1.5 lb/d69%
April 2026Nitrogen, ammonia total [as N], daily maximum54 mg/L≤ 4.6 mg/L1074%
April 2026Nitrogen, ammonia total [as N], monthly average2.54 lb/d≤ .5 lb/d408%
April 2026Nitrogen, ammonia total [as N], monthly average54 mg/L≤ 1.5 mg/L3500%
April 2026Nitrogen, ammonia total [as N], weekly average2.54 lb/d≤ 1.3 lb/d95%
April 2026Nitrogen, ammonia total [as N], weekly average54 mg/L≤ 3.8 mg/L1321%
April 2026Oxygen, dissolved [DO], daily minimum1 mg/L≥ 5 mg/L80%
April 2026Oxygen, dissolved [DO], minimum weekly average1 mg/L≥ 6 mg/L83%
April 2026Solids, total suspended, daily maximum40 mg/L≤ 24 mg/L67%
April 2026Solids, total suspended, monthly average40 mg/L≤ 12 mg/L233%
May 2026BOD, carbonaceous [5 day, 20 C], daily maximum85 mg/L≤ 20 mg/L325%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average3.5 lb/d≤ 3.3 lb/d6%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average85 mg/L≤ 10 mg/L750%
May 2026Nitrogen, ammonia total [as N], daily maximum2.3 lb/d≤ 1.5 lb/d53%
May 2026Nitrogen, ammonia total [as N], daily maximum54 mg/L≤ 4.6 mg/L1074%
May 2026Nitrogen, ammonia total [as N], monthly average2.3 lb/d≤ .5 lb/d360%
May 2026Nitrogen, ammonia total [as N], monthly average54 mg/L≤ 1.5 mg/L3500%
May 2026Nitrogen, ammonia total [as N], weekly average2.3 lb/d≤ 1.3 lb/d77%
May 2026Nitrogen, ammonia total [as N], weekly average54 mg/L≤ 3.8 mg/L1321%
May 2026Oxygen, dissolved [DO], daily minimum1 mg/L≥ 5 mg/L80%
May 2026Oxygen, dissolved [DO], minimum weekly average1 mg/L≥ 6 mg/L83%
May 2026Solids, total suspended, daily maximum34 mg/L≤ 24 mg/L42%
May 2026Solids, total suspended, monthly average34 mg/L≤ 12 mg/L183%
June 2026BOD, carbonaceous [5 day, 20 C], daily maximum201 mg/L≤ 20 mg/L905%
June 2026BOD, carbonaceous [5 day, 20 C], daily maximum9 lb/d≤ 6.7 lb/d34%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average201 mg/L≤ 10 mg/L1910%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average9 lb/d≤ 3.3 lb/d173%
June 2026Nitrogen, ammonia total [as N], daily maximum2.4 lb/d≤ 1.8 lb/d33%
June 2026Nitrogen, ammonia total [as N], daily maximum54 mg/L≤ 5.5 mg/L882%
June 2026Nitrogen, ammonia total [as N], monthly average2.4 lb/d≤ .3 lb/d700%
June 2026Nitrogen, ammonia total [as N], monthly average54 mg/L≤ 1 mg/L5300%
June 2026Nitrogen, ammonia total [as N], weekly average2.4 lb/d≤ .8 lb/d200%
June 2026Nitrogen, ammonia total [as N], weekly average54 mg/L≤ 2.5 mg/L2060%
June 2026Oxygen, dissolved [DO], daily minimum0 mg/L≥ 5 mg/L100%
June 2026Oxygen, dissolved [DO], minimum weekly average0 mg/L≥ 6 mg/L100%
June 2026Solids, total suspended, daily maximum30 mg/L≤ 24 mg/L25%
June 2026Solids, total suspended, monthly average30 mg/L≤ 12 mg/L150%
July 2026BOD, carbonaceous [5 day, 20 C], daily maximum123 mg/L≤ 20 mg/L515%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average123 mg/L≤ 10 mg/L1130%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average5 lb/d≤ 3.3 lb/d52%
July 2026Nitrogen, ammonia total [as N], daily maximum2.2 lb/d≤ 1.8 lb/d22%
July 2026Nitrogen, ammonia total [as N], daily maximum54 mg/L≤ 5.5 mg/L882%
July 2026Nitrogen, ammonia total [as N], monthly average2.2 lb/d≤ .3 lb/d633%
July 2026Nitrogen, ammonia total [as N], monthly average54 mg/L≤ 1 mg/L5300%
July 2026Nitrogen, ammonia total [as N], weekly average2.2 lb/d≤ .8 lb/d175%
July 2026Nitrogen, ammonia total [as N], weekly average54 mg/L≤ 2.5 mg/L2060%
July 2026Oxygen, dissolved [DO], daily minimum1 mg/L≥ 5 mg/L80%
July 2026Oxygen, dissolved [DO], minimum weekly average1 mg/L≥ 6 mg/L83%
July 2026Solids, total suspended, monthly average21 mg/L≤ 12 mg/L75%
August 2026BOD, carbonaceous [5 day, 20 C], daily maximum90 mg/L≤ 20 mg/L350%
August 2026BOD, carbonaceous [5 day, 20 C], monthly average90 mg/L≤ 10 mg/L800%
August 2026Nitrogen, ammonia total [as N], daily maximum1.89 lb/d≤ 1.8 lb/d5%
August 2026Nitrogen, ammonia total [as N], daily maximum54 mg/L≤ 5.5 mg/L882%
August 2026Nitrogen, ammonia total [as N], monthly average1.89 lb/d≤ .3 lb/d530%
August 2026Nitrogen, ammonia total [as N], monthly average54 mg/L≤ 1 mg/L5300%
August 2026Nitrogen, ammonia total [as N], weekly average1.89 lb/d≤ .8 lb/d136%
August 2026Nitrogen, ammonia total [as N], weekly average54 mg/L≤ 2.5 mg/L2060%
August 2026Oxygen, dissolved [DO], daily minimum0 mg/L≥ 3.5 mg/L100%
August 2026Oxygen, dissolved [DO], minimum weekly average0 mg/L≥ 4 mg/L100%
August 2026Oxygen, dissolved [DO], monthly average minimum0 mg/L≥ 5.5 mg/L100%
August 2026Solids, total suspended, daily maximum25 mg/L≤ 24 mg/L4%
August 2026Solids, total suspended, monthly average25 mg/L≤ 12 mg/L108%

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≤ 4 lb/dall year001
Solids, total suspendeddaily maximum≤ 8 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≤ 5.5 mg/LJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 4.5 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .5 lb/dMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]monthly average≤ .3 lb/dJun–Aug001
Nitrogen, ammonia total [as N]monthly average≤ .9 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 1.5 lb/dMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 1.8 lb/dJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 1.5 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≤ .8 lb/dJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 1.3 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≤ 3.3 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 6.7 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 5 Private Households permits in Illinois.

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