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Ruma, Village of

Sewage treatment plant, Ruma, Illinois. NPDES permit IL0063282, in force until Mar 31, 2028. Last 12 months: over a limit 14 times (last August 2026), 1 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form 0 monthly (21 values), outfall INF form L monthly (4 values)
Renewal application due
Oct 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 0 of 24 reports late

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

All 14 values over a limit
Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], monthly average3 mg/L≤ 1.5 mg/L100%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average19.7 mg/L≤ 10 mg/L97%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average10.4 mg/L≤ 10 mg/L4%
January 2026Nitrogen, ammonia total [as N], daily maximum16 mg/L≤ 6.6 mg/L142%
January 2026Nitrogen, ammonia total [as N], monthly average16 mg/L≤ 3 mg/L433%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average15.2 mg/L≤ 10 mg/L52%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average15.4 mg/L≤ 10 mg/L54%
April 2026Nitrogen, ammonia total [as N], daily maximum3.1 mg/L≤ 3 mg/L3%
April 2026Nitrogen, ammonia total [as N], monthly average3.1 mg/L≤ 1.5 mg/L107%
May 2026Nitrogen, ammonia total [as N], daily maximum9.4 mg/L≤ 3 mg/L213%
May 2026Nitrogen, ammonia total [as N], monthly average9.4 mg/L≤ 1.5 mg/L527%
June 2026Nitrogen, ammonia total [as N], monthly average1.9 mg/L≤ 1.5 mg/L27%
August 2026Nitrogen, ammonia total [as N], daily maximum5.33 mg/L≤ 3 mg/L78%
August 2026Nitrogen, ammonia total [as N], monthly average5.33 mg/L≤ 1.5 mg/L255%

Limits in force (37)

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≤ 16 lb/dall year001
Solids, total suspendeddaily maximum≤ 32 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LApr–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LMar001
Nitrogen, ammonia total [as N]daily maximum≤ 3 mg/LApr–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 6.6 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 6.7 mg/LMar001
Nitrogen, ammonia total [as N]monthly average≤ 2 lb/dApr–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 4 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 2.7 lb/dMar001
Nitrogen, ammonia total [as N]daily maximum≤ 4 lb/dApr–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 8.8 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 8.9 lb/dMar001
Nitrogen, ammonia total [as N]weekly average≤ 5 mg/LMar001
Nitrogen, ammonia total [as N]weekly average≤ 6.7 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≤ 13 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 27 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.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IL0063282 · MCP: https://passage-data.com/mcp