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Old Dominion Freight Line Inc

Trucking, Except Local, Eighty Four, Pennsylvania. NPDES permit PAS806111, in force until Oct 31, 2029. Last 12 months: over a limit once (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form Q quarterly (12 values), outfall 002 form Q quarterly (12 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
6 values over a limit, 0 required values missing, 0 of 9 reports late

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

Period endingParameterReportedLimitOver by
March 2026Aluminum, total [as Al], daily maximum1.1 mg/L≤ .75 mg/L47%

Limits in force (24)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cdaily maximum≤ 10 mg/Lall year001
Oxygen demand, chem. [high level] [COD]daily maximum≤ 30 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendeddaily maximum≤ 30 mg/Lall year001
Oil & Greasedaily maximum≤ 5 mg/Lall year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximum≤ 1 mg/Lall year001
Iron, total [as Fe]daily maximum≤ 3 mg/Lall year001
Manganese, total [as Mn]daily maximum≤ 1 mg/Lall year001
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 10 mg/Lall year002
Oxygen demand, chem. [high level] [COD]daily maximum≤ 30 mg/Lall year002
pHdaily minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Solids, total suspendeddaily maximum≤ 30 mg/Lall year002
Oil & Greasedaily maximum≤ 5 mg/Lall year002
Nitrogen, total [as N]daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]daily maximum≤ 1 mg/Lall year002
Iron, total [as Fe]daily maximum≤ 3 mg/Lall year002
Manganese, total [as Mn]daily maximum≤ 1 mg/Lall year002
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002

How strict are these limits?

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

Same industry: the 78 Motor Freight Transportation and Warehousing 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/PAS806111 · MCP: https://passage-data.com/mcp