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BNSF Railway Company

Switching And Terminal Services, Livingston, Montana. NPDES permit MT0000388 expired Feb 28, 2025; its limits still apply. Last 12 months: over a limit 5 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (16 values), form W quarterly (3 values), form Y yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
June 2026Pass/Fail Static 48Hr Acute Ceriodaphnia dubia, value1 pass=0;fail=1≤ 0 pass=0;fail=1—
July 2026Copper, total recoverable, daily maximum19 ug/L≤ 6.2 ug/L206%
July 2026Copper, total recoverable, monthly average19 ug/L≤ 2.3 ug/L726%
July 2026Zinc, total recoverable, daily maximum67 ug/L≤ 57.5 ug/L17%
July 2026Zinc, total recoverable, monthly average67 ug/L≤ 19.8 ug/L238%

Limits in force (21)

ParameterStatisticLimitMonths
Flow ratemonthly averagereport only (MGD)all year
Flow ratedaily maximumreport only (MGD)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 9.6 lb/dall year
Oil & Greasedaily maximum≤ 10 mg/Lall year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Zinc, total recoverablemonthly average≤ 19.8 ug/Lall year
Zinc, total recoverabledaily maximum≤ 57.5 ug/Lall year
Cadmium, total recoverablemonthly average≤ .5 ug/Lall year
Cadmium, total recoverabledaily maximum≤ 1.5 ug/Lall year
Copper, total recoverablemonthly average≤ 2.3 ug/Lall year
Copper, total recoverabledaily maximum≤ 6.2 ug/Lall year
Benzenemonthly averagereport only (ug/L)all year
Benzenedaily maximumreport only (ug/L)all year
Duration of dischargevaluereport only (d)all year
Report due [yrmoda]value≤ 1 abst=0;prst=1all year
Pass/Fail Static 48Hr Acute Ceriodaphnia dubiavalue≤ 0 pass=0;fail=1all year
Pass/Fail Static Renewal 96Hr Acute Pimephales Promelasvalue≤ 0 pass=0;fail=1all year

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MT0000388 · MCP: https://passage-data.com/mcp