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Rankin, Village of

Sewage treatment plant, Rankin, Illinois. NPDES permit IL0021709, in force until Feb 28, 2030. Last 12 months: over a limit 12 times (last August 2026), 12 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)
Last report on file
August 2026
Oct 2024 – Sep 2025
12 values over a limit, 0 required values missing, 14 of 24 reports late

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

Period endingParameterReportedLimitOver by
March 2026Solids, total suspended, monthly average188.3 lb/d≤ 94 lb/d100%
March 2026Solids, total suspended, monthly average75 mg/L≤ 37 mg/L103%
March 2026Solids, total suspended, weekly average279 lb/d≤ 114 lb/d145%
March 2026Solids, total suspended, weekly average75 mg/L≤ 45 mg/L67%
May 2026Coliform, fecal general, daily maximum2420 #/100mL≤ 400 #/100mL505%
May 2026Solids, total suspended, monthly average100 mg/L≤ 37 mg/L170%
May 2026Solids, total suspended, weekly average100 mg/L≤ 45 mg/L122%
August 2026Coliform, fecal general, daily maximum1550 #/100mL≤ 400 #/100mL288%
August 2026Solids, total suspended, monthly average100.4 lb/d≤ 94 lb/d7%
August 2026Solids, total suspended, monthly average68 mg/L≤ 37 mg/L84%
August 2026Solids, total suspended, weekly average253.5 lb/d≤ 114 lb/d122%
August 2026Solids, total suspended, weekly average68 mg/L≤ 45 mg/L51%

Limits in force (25)

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≤ 37 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 94 lb/dall year001
Solids, total suspendedweekly average≤ 114 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/LJan, Feb, Mar, Apr, Nov, Dec001
Chlorine, total residualdaily maximum≤ .05 mg/LMay–Oct001
Coliform, fecal generaldaily maximum≤ 400 #/100mLMay–Oct001
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≤ 63 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 101 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

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/IL0021709 · MCP: https://passage-data.com/mcp