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Martin Marietta - Lone Elm Quarry

Crushed And Broken Limestone, Olathe, Kansas. NPDES permit KS0089303, in force until Jun 30, 2028. Last 12 months: no values over a limit, 2 required values missing, 1 of 4 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 29 days after each period: form A quarterly (2 values)
Renewal application due: Jan 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file: September 2026
Oct 2024 – Sep 2025: 2 values over a limit, 0 required values missing, 0 of 4 reports late

Limits in force (2)

Parameter	Statistic	Limit	Months
Solids, total suspended	monthly average	≤ 30 mg/L	all year
Solids, total suspended	daily maximum	≤ 45 mg/L	all year

How strict are these limits?

Solids, total suspended, daily maximum 45 mg/L — stricter than 53% of 141 other minor industrial and other permits in Kansas; 45% have the same limit
Solids, total suspended, monthly average 30 mg/L — stricter than 35% of 137 other minor industrial and other permits in Kansas; 64% have the same limit

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

Same industry: the 66 Mining and Quarrying of Nonmetallic Minerals permits in Kansas.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/KS0089303 · MCP: https://passage-data.com/mcp