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Hollis Consolidated School District #328

Elementary And Secondary Schools, Peoria, Illinois. NPDES permit IL0044636, in force until Jun 30, 2029. Last 12 months: over a limit 2 times (last June 2026), 6 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form 0 monthly (23 values), outfall A01 form 0 monthly (9 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 10 of 24 reports late

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

Period endingParameterReportedLimitOver by
March 2026Nitrogen, ammonia total [as N], monthly average1.57 mg/L≤ 1.5 mg/L5%
June 2026Nitrogen, ammonia total [as N], monthly average1.89 mg/L≤ 1.4 mg/L35%

Limits in force (44)

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≤ 2 lb/dall year001
Solids, total suspendeddaily maximum≤ 4 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LJun–Aug001
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 5.7 mg/LMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 6.9 mg/LJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 6 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .25 lb/dMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]monthly average≤ .23 lb/dJun–Aug001
Nitrogen, ammonia total [as N]monthly average≤ .67 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ .95 lb/dMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 1.2 lb/dJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 1 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 3.5 mg/LJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ 3.8 mg/LMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]weekly average≤ .58 lb/dJun–Aug001
Nitrogen, ammonia total [as N]weekly average≤ .63 lb/dMar, Apr, May, Sep, Oct001
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≤ 1.7 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 3.3 lb/dall year001
pHminimum≥ 6 SUall yearA01
pHmaximum≤ 9 SUall yearA01
Solids, total suspendedmonthly average≤ 15 mg/Lall yearA01
Solids, total suspendeddaily maximum≤ 30 mg/Lall yearA01
Solids, total suspendedmonthly average≤ .1 lb/dall yearA01
Solids, total suspendeddaily maximum≤ .2 lb/dall yearA01
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearA01
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearA01
Chlorine, total residualdaily maximum≤ 3 mg/Lall yearA01

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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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IL0044636 · MCP: https://passage-data.com/mcp