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Middlefield Plastics, Inc.

Plastics Products, Middlefield, Ohio. NPDES permit OH0098141, in force until May 31, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (11 values), outfall 002 form A monthly (4 values), outfall 602 form A monthly (11 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 3 of 48 reports late

Limits in force (26)

ParameterStatisticLimitMonthsOutfall
Flow ratemonthly averagereport only (gal/d)all year001
Flow ratedaily maximumreport only (gal/d)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 15 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ .057 kg/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ .085 kg/dall year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendeddaily maximum≤ 19 mg/Lall year001
Solids, total suspendeddaily maximum≤ .11 kg/dall year001
Oil and grease [soxhlet extr.] tot.daily maximum≤ 10 mg/Lall year001
Flow ratemonthly averagereport only (gal/d)all year002
Flow ratedaily maximumreport only (gal/d)all year002
pHdaily minimum≥ 6.5 SUall year002
pHdaily maximum≤ 9 SUall year002
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year602
BOD, 5-day, 20 deg. Cdaily maximum≤ 15 mg/Lall year602
BOD, 5-day, 20 deg. Cmonthly average≤ 3.03 kg/dall year602
BOD, 5-day, 20 deg. Cdaily maximum≤ 4.55 kg/dall year602
pHdaily minimum≥ 6.5 SUall year602
pHdaily maximum≤ 9 SUall year602
Solids, total suspendeddaily maximum≤ 19 mg/Lall year602
Solids, total suspendeddaily maximum≤ 5.76 kg/dall year602
Oil and grease [soxhlet extr.] tot.daily maximum≤ 10 mg/Lall year602
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year602
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year602

How strict are these limits?

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

Same industry: the 28 Rubber and Miscellaneous Plastics Products permits in Ohio.

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/OH0098141 · MCP: https://passage-data.com/mcp