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Limestone Walters Elementary School District #316

Elementary And Secondary Schools, Bartonville, Illinois. NPDES permit IL0055816, in force until Mar 31, 2029. Last 12 months: over a limit 4 times (last March 2026), 3 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form 0 monthly (23 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 5 of 12 reports late

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

Period endingParameterReportedLimitOver by
February 2026Nitrogen, ammonia total [as N], daily maximum18.2 mg/L≤ 5.2 mg/L250%
February 2026Nitrogen, ammonia total [as N], monthly average18.2 mg/L≤ 3.4 mg/L435%
March 2026Nitrogen, ammonia total [as N], monthly average3.33 mg/L≤ 1.5 mg/L122%
March 2026Solids, total suspended, monthly average16 mg/L≤ 12 mg/L33%

Limits in force (35)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly average minimum≥ 5.5 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec
Oxygen, dissolved [DO]minimum weekly average≥ 4 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec
Oxygen, dissolved [DO]minimum weekly average≥ 6 mg/LMar–Jul
Oxygen, dissolved [DO]daily minimum≥ 3.5 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec
Oxygen, dissolved [DO]daily minimum≥ 5 mg/LMar–Jul
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 12 mg/Lall year
Solids, total suspendeddaily maximum≤ 24 mg/Lall year
Solids, total suspendedmonthly average≤ 1 lb/dall year
Solids, total suspendeddaily maximum≤ 2 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LMar, Apr, May, Sep, Oct
Nitrogen, ammonia total [as N]monthly average≤ 1.1 mg/LJun–Aug
Nitrogen, ammonia total [as N]monthly average≤ 3.4 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 5.8 mg/LMar, Apr, May, Sep, Oct
Nitrogen, ammonia total [as N]daily maximum≤ 6.8 mg/LJun–Aug
Nitrogen, ammonia total [as N]daily maximum≤ 5.2 mg/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ .13 lb/dMar, Apr, May, Sep, Oct
Nitrogen, ammonia total [as N]monthly average≤ .09 lb/dJun–Aug
Nitrogen, ammonia total [as N]monthly average≤ .28 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ .48 lb/dMar, Apr, May, Sep, Oct
Nitrogen, ammonia total [as N]daily maximum≤ .57 lb/dJun–Aug
Nitrogen, ammonia total [as N]daily maximum≤ .43 lb/dJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 2.8 mg/LJun–Aug
Nitrogen, ammonia total [as N]weekly average≤ 3.8 mg/LMar, Apr, May, Sep, Oct
Nitrogen, ammonia total [as N]weekly average≤ .23 lb/dJun–Aug
Nitrogen, ammonia total [as N]weekly average≤ .32 lb/dMar, Apr, May, Sep, Oct
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ .05 mg/Lall year
Coliform, fecal generaldaily maximumreport only (#/100mL)May–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 20 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ .83 lb/dall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 1.7 lb/dall year

How strict are these limits?

Cited limits by parameter: Illinois's rules and the federal ones.

Same industry: the 52 Educational Services permits in Illinois.

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Your permit document is the final word. As JSON: /api/v1/permits/IL0055816 · MCP: https://passage-data.com/mcp