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Augusta, Village of

Sewage treatment plant, Augusta, Illinois. NPDES permit IL0027570, in force until Aug 31, 2027. Last 12 months: over a limit 17 times (last August 2026), 4 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form 0 monthly (18 values), outfall INF form L monthly (4 values)
Renewal application due
Mar 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
11 values over a limit, 0 required values missing, 0 of 24 reports late

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

All 17 values over a limit
Period endingParameterReportedLimitOver by
February 2026BOD, carbonaceous [5 day, 20 C], monthly average16 mg/L≤ 10 mg/L60%
February 2026Solids, total suspended, daily maximum26 mg/L≤ 24 mg/L8%
February 2026Solids, total suspended, monthly average26 mg/L≤ 12 mg/L117%
March 2026BOD, carbonaceous [5 day, 20 C], daily maximum22 mg/L≤ 20 mg/L10%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average22 mg/L≤ 10 mg/L120%
March 2026Solids, total suspended, daily maximum36 mg/L≤ 24 mg/L50%
March 2026Solids, total suspended, monthly average36 mg/L≤ 12 mg/L200%
April 2026Oxygen, dissolved [DO], minimum weekly average5.51 mg/L≥ 6 mg/L8%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average15 mg/L≤ 10 mg/L50%
May 2026Solids, total suspended, daily maximum70 mg/L≤ 24 mg/L192%
May 2026Solids, total suspended, monthly average23.352 lb/d≤ 23 lb/d2%
May 2026Solids, total suspended, monthly average70 mg/L≤ 12 mg/L483%
May 2026pH, maximum9.27 SU≤ 9 SU—
June 2026Solids, total suspended, daily maximum32 mg/L≤ 24 mg/L33%
June 2026Solids, total suspended, monthly average26.5 mg/L≤ 12 mg/L121%
July 2026Solids, total suspended, monthly average15.5 mg/L≤ 12 mg/L29%
August 2026Solids, total suspended, monthly average15 mg/L≤ 12 mg/L25%

Limits in force (24)

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≤ 23 lb/dall year001
Solids, total suspendeddaily maximum≤ 47 lb/dall year001
Nitrogen, ammonia total [as N]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 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≤ 19 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 39 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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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IL0027570 · MCP: https://passage-data.com/mcp