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Monarch Oil Company

Asphalt Paving Mixtures And Blocks, Omaha, Nebraska. NPDES permit NE0139203, in force until Mar 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form Q quarterly (10 values), form A yearly
Renewal application due
Oct 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 4 required values missing, 1 of 5 reports late

Limits in force (12)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
Oil and grease, per 1000 gallonsmonthly averagereport only (mg/L)all year
Oil and grease, per 1000 gallonsdaily maximum≤ 10 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
Solids, total dissolved [TDS]monthly averagereport only (mg/L)all year
Solids, total dissolved [TDS]daily maximum≤ 500 mg/Lall year
Solids, total susp. per 1000 gallonsmonthly averagereport only (mg/L)all year
Solids, total susp. per 1000 gallonsdaily maximumreport only (mg/L)all year

How strict are these limits?

Cited limits by parameter: Nebraska'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/NE0139203 · MCP: https://passage-data.com/mcp