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IMI Ohio LLC-Milford

Ready-Mixed Concrete, Milford, Ohio. NPDES permit OH0151634, in force until Mar 31, 2029. Last 12 months: over a limit 10 times (last May 2026), 6 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (7 values), outfall 002 form A monthly (6 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
5 values over a limit, 2 required values missing, 4 of 24 reports late

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

Period endingOutfallParameterReportedLimitOver by
October 2025001Solids, total suspended, daily maximum67≤ 50 mg/L34%
October 2025001pH, maximum, daily maximum10.45≤ 9 SU—
November 2025001Solids, total suspended, daily maximum270≤ 50 mg/L440%
November 2025002pH, maximum, daily maximum9.81≤ 9 SU—
December 2025001Solids, total suspended, daily maximum95≤ 50 mg/L90%
December 2025002pH, maximum, daily maximum9.85≤ 9 SU—
January 2026001Solids, total suspended, daily maximum73≤ 50 mg/L46%
February 2026001Solids, total suspended, daily maximum165≤ 50 mg/L230%
March 2026001Solids, total suspended, daily maximum290≤ 50 mg/L480%
May 2026001Solids, total suspended, daily maximum56≤ 50 mg/L12%

Limits in force (13)

ParameterStatisticLimitMonthsOutfall
Flow ratemonthly averagereport only (gal/d)all year001
Flow ratedaily maximumreport only (gal/d)all year001
Solids, total suspendeddaily maximum≤ 50 mg/Lall year001
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year001
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year001
pH, maximumdaily maximum≤ 9 SUall year001
pH, minimumdaily minimum≥ 6 SUall year001
Flow ratemonthly averagereport only (gal/d)all year002
Flow ratedaily maximumreport only (gal/d)all year002
Solids, total suspendedmonthly averagereport only (mg/L)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
pH, maximumdaily maximum≤ 9 SUall year002
pH, minimumdaily minimum≥ 6 SUall year002

How strict are these limits?

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

Same industry: the 36 Stone, Clay, Glass and Concrete Products permits in Ohio.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0151634 · MCP: https://passage-data.com/mcp