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Mid-States Materials

Crushed And Broken Limestone, Lawrence, Kansas. NPDES permit KS0089923, in force until Dec 31, 2027. Last 12 months: over a limit once (last December 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due: About 29 days after each period: form A quarterly (2 values)
Renewal application due: Jul 4, 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, 0 required values missing, 0 of 4 reports late

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

Period ending	Parameter	Reported	Limit	Over by
December 2025	Solids, total suspended, monthly average	33 mg/L	≤ 30 mg/L	10%

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/KS0089923 · MCP: https://passage-data.com/mcp