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Kansas City Southern Railway

Railroads, Line-Haul Operating, Heavener, Oklahoma. NPDES permit OK0040631 expired Jun 30, 2026; its limits still apply. Last 12 months: over a limit once (last April 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (8 values), form Q quarterly (3 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingParameterReportedLimitOver by
April 2026Solids, total suspended, daily maximum57 mg/L≤ 45 mg/L27%

Limits in force (11)

ParameterStatisticLimitMonths
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Carbon, tot organic [TOC]monthly average≤ 75 mg/Lall year
Carbon, tot organic [TOC]daily maximum≤ 95 mg/Lall year
Organics, gasoline rangedaily maximumreport only (mg/L)all year
Diesel range organics diesel, total, wtrmonthly averagereport only (mg/L)all year
Diesel range organics diesel, total, wtrdaily maximum≤ 45 mg/Lall 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

How strict are these limits?

Cited limits by parameter: Oklahoma'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/OK0040631 · MCP: https://passage-data.com/mcp