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Wiles Thomas I

Sewerage Systems, Penn Hills, Pennsylvania. NPDES permit PA0094315, in force until Mar 31, 2029. Last 12 months: over a limit once (last December 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form Y yearly
Last report on file: December 2025
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 1 report late

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

Period ending	Parameter	Reported	Limit	Over by
December 2025	Coliform, fecal general, annual average	1414 #/100mL	≤ 200 #/100mL	607%

Limits in force (8)

Parameter	Statistic	Limit	Months
BOD, 5-day, 20 deg. C	annual average	≤ 10 mg/L	all year
BOD, 5-day, 20 deg. C	instantaneous maximum	≤ 20 mg/L	all year
pH	instantaneous minimum	≥ 6 SU	all year
pH	instantaneous maximum	≤ 9 SU	all year
Solids, total suspended	annual average	≤ 10 mg/L	all year
Solids, total suspended	instantaneous maximum	≤ 20 mg/L	all year
Flow, in conduit or thru treatment plant	annual average	≤ .0004 MGD	all year
Coliform, fecal general	annual average	≤ 200 #/100mL	all year

How strict are these limits?

Solids, total suspended, instantaneous maximum 20 mg/L — stricter than 91% of 1,104 other minor industrial and other permits in Pennsylvania; 8% have the same limit
Solids, total suspended, annual average 10 mg/L — stricter than 85% of 76 other minor industrial and other permits nationwide; 7% have the same limit
BOD, 5-day, 20 deg. C, annual average 10 mg/L — stricter than 36% of 38 other minor industrial and other permits nationwide; 63% have the same limit

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

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Your permit document is the final word. As JSON: /api/v1/permits/PA0094315 · MCP: https://passage-data.com/mcp