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Newton, City of

Sewage treatment plant, Newton, Illinois. NPDES permit IL0030121, in force until Jul 31, 2031. Last 12 months: over a limit once (last April 2026), 2 of 36 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)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 1 required value missing, 1 of 36 reports late

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

Period endingParameterReportedLimitOver by
April 2026Nitrogen, ammonia total [as N], daily maximum9.1 mg/L≤ 3.5 mg/L160%

Limits in force (46)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 25 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 542 lb/dall year001
Solids, total suspendedweekly average≤ 976 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LMar001
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LApr, May, Sep, Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LJun–Aug001
Nitrogen, ammonia total [as N]monthly average≤ 2.7 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 4.1 mg/LMar001
Nitrogen, ammonia total [as N]daily maximum≤ 3.5 mg/LApr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 3.3 mg/LJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 3.9 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 28 lb/dMar001
Nitrogen, ammonia total [as N]monthly average≤ 28 lb/dApr, May, Sep, Oct001
Nitrogen, ammonia total [as N]monthly average≤ 28 lb/dJun–Aug001
Nitrogen, ammonia total [as N]monthly average≤ 59 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 89 lb/dMar001
Nitrogen, ammonia total [as N]daily maximum≤ 76 lb/dApr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 72 lb/dJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 85 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 3.2 mg/LApr, May, Sep, Oct001
Nitrogen, ammonia total [as N]weekly average≤ 3.2 mg/LJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 3.2 mg/LMar001
Nitrogen, ammonia total [as N]weekly average≤ 69 lb/dApr, May, Sep, Oct001
Nitrogen, ammonia total [as N]weekly average≤ 69 lb/dJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 69 lb/dMar001
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/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≤ 20 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 434 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 867 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all yearA01
Solids, total suspendeddaily maximumreport only (mg/L)all yearA01
Coliform, fecal generaldaily maximumreport only (#/100mL)all yearA01
Flowmonthly totalreport only (#/mo)all yearA01
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/IL0030121 · MCP: https://passage-data.com/mcp