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IRBW Properties Ltd

Sewage treatment plant, Willard, Ohio. NPDES permit OH0130486, in force until Jun 30, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (18 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 3 of 14 reports late

Limits in force (30)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 12 mg/Lall year001
Solids, total suspendedweekly maximum≤ 18 mg/Lall year001
Solids, total suspendedmonthly average≤ 1.03 kg/dall year001
Solids, total suspendedweekly maximum≤ 1.54 kg/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 1.5 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 4.5 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .0852 kg/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ .256 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ .128 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ .384 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Turbidity [severity]monthly averagereport only (severity)all year001
Turbidity [severity]daily maximumreport only (severity)all year001
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLMay–Oct001
E. coli, MTEC-MFweekly geometric mean≤ 284 MPN/100mLMay–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≤ .019 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMar, Jun, Aug, Dec001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 15 mg/LMar, Jun, Aug, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ .852 kg/dMar, Jun, Aug, Dec001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 1.28 kg/dMar, Jun, Aug, Dec001
Sludge waste from secondary clarifiersmonthly averagereport only (gal)Dec586
Sludge waste from secondary clarifiersdaily maximumreport only (gal)Dec586
Sludge waste from secondary clarifiersmonthly averagereport only (gal)Dec588
Sludge waste from secondary clarifiersdaily maximumreport only (gal)Dec588

How strict are these limits?

Cited limits by parameter: Ohio'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/OH0130486 · MCP: https://passage-data.com/mcp