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Allegheny Cnty Port Auth

Local And Suburban Transit, Bridgeville, Pennsylvania. NPDES permit PA0204897, in force until Dec 31, 2027. Last 12 months: over a limit 4 times (last March 2026), 8 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (8 values), form Q quarterly (5 values)
Renewal application due
Jul 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingParameterReportedLimitOver by
October 2025Solids, total suspended, daily maximum164 mg/L≤ 100 mg/L64%
December 2025Solids, total suspended, daily maximum416 mg/L≤ 100 mg/L316%
January 2026Solids, total suspended, daily maximum151 mg/L≤ 100 mg/L51%
March 2026Solids, total suspended, daily maximum117 mg/L≤ 100 mg/L17%

Limits in force (13)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendeddaily maximum≤ 100 mg/Lall year
Oil & Greasemonthly average≤ 15 mg/Lall year
Oil & Greasedaily maximum≤ 30 mg/Lall year
Iron, total [as Fe]daily maximumreport only (mg/L)all year
Manganese, total [as Mn]daily maximumreport only (mg/L)all year
Aluminum, total [as Al]daily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year

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

Same industry: the 27 Local and Interurban Passenger Transit permits in Pennsylvania.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0204897 · MCP: https://passage-data.com/mcp