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Raging Rivers Water Park

Amusement Parks, Grafton, Illinois. NPDES permit IL0067971, in force until Mar 31, 2029. Last 12 months: no values over a limit, 32 of 44 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form 0 monthly (21 values), outfall 002 form 0 monthly (7 values), outfall 003 form 0 monthly (7 values), outfall INF form L monthly (4 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
16 values over a limit, 0 required values missing, 40 of 48 reports late

Limits in force (51)

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≤ 2.5 lb/dall year001
Solids, total suspendeddaily maximum≤ 5 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1.7 mg/LMar001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LApr–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 7.4 mg/LMar001
Nitrogen, ammonia total [as N]daily maximum≤ 3 mg/LApr–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 6.2 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .35 lb/dMar001
Nitrogen, ammonia total [as N]monthly average≤ .31 lb/dApr–Oct001
Nitrogen, ammonia total [as N]monthly average≤ .83 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 1.5 lb/dMar001
Nitrogen, ammonia total [as N]daily maximum≤ .63 lb/dApr–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 1.3 lb/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 4.3 mg/LMar001
Nitrogen, ammonia total [as N]weekly average≤ .9 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 maximum≤ 400 #/100mLall year001
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≤ 2.1 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 4.2 lb/dall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year002
Solids, total suspendeddaily maximum≤ 30 mg/Lall year002
Solids, total suspendedmonthly average≤ .9 lb/dall year002
Solids, total suspendeddaily maximum≤ 1.8 lb/dall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Chlorine, total residualdaily maximum≤ .05 mg/Lall year002
Solids, total suspendedmonthly average≤ 15 mg/Lall year003
Solids, total suspendeddaily maximum≤ 30 mg/Lall year003
Solids, total suspendedmonthly average≤ 1.4 lb/dall year003
Solids, total suspendeddaily maximum≤ 2.8 lb/dall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Chlorine, total residualdaily maximum≤ .05 mg/Lall year003
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.

Same industry: the 15 Amusement and Recreation 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/IL0067971 · MCP: https://passage-data.com/mcp