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Norfolk Southern Railway Company

Railroads, Line-Haul Operating, Norfolk, Virginia. NPDES permit VA0003409, in force until Feb 28, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: outfall 005 form A1 yearly, outfall 005 form S1 twice a year, outfall 006 form S1 twice a year, outfall 022 form A1 yearly, outfall 022 form S1 twice a year, outfall 023 form Q1 quarterly
Last report on file
June 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (27)

ParameterStatisticLimitMonthsOutfall
Oxygen demand, chem. [low level] [COD]maximumreport only (mg/L)all year005
pHminimum≥ 6 SUall year005
pHmaximum≤ 9 SUall year005
Solids, total suspendedmonthly average≤ 30 mg/Lall year005
Solids, total suspendedmaximum≤ 60 mg/Lall year005
Nitrogen, ammonia total [as N]maximumreport only (mg/L)all year005
Copper, dissolved [as Cu]maximumreport only (ug/L)all year005
Petrol hydrocarbons, total recoverablemonthly average≤ 10 mg/Lall year005
Petrol hydrocarbons, total recoverablemaximum≤ 15 mg/Lall year005
Flow, in conduit or thru treatment plantmaximumreport only (MGD)all year005
pHminimum≥ 6 SUall year006
pHmaximum≤ 9 SUall year006
Solids, total suspendedmaximum≤ 50 mg/Lall year006
Petrol hydrocarbons, total recoverablemaximumreport only (mg/L)all year006
Flow, in conduit or thru treatment plantmaximumreport only (MGD)all year006
pHminimum≥ 6 SUall year022
pHmaximum≤ 9 SUall year022
Solids, total suspendedmaximumreport only (mg/L)all year022
Copper, dissolved [as Cu]maximumreport only (ug/L)all year022
Zinc, dissolved [as Zn]maximumreport only (ug/L)all year022
Petrol hydrocarbons, total recoverablemaximumreport only (mg/L)all year022
Precipitation volumemaximumreport only (Mgal)all year022
pHminimumreport only (SU)all year023
pHmaximumreport only (SU)all year023
Solids, total suspendedaveragereport only (mg/L)all year023
Precipitation volumemonthly averagereport only (Mgal)all year023
Precipitation volumemaximumreport only (Mgal)all year023

How strict are these limits?

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

Same industry: the 4 Railroad Transportation permits in Virginia.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/VA0003409 · MCP: https://passage-data.com/mcp