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Middlefield Warehouse

Special Warehousing And Storage, Middlefield, Ohio. NPDES permit OH0052370, in force until Dec 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 004 form A monthly (12 values), outfall 904 form A monthly (8 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (20)

ParameterStatisticLimitMonthsOutfall
Flow ratemonthly averagereport only (gal/d)all year004
Flow ratedaily maximumreport only (gal/d)all year004
pHdaily minimum≥ 6.5 SUall year004
pHdaily maximum≤ 9 SUall year004
Tetrachloroethylenedaily maximum≤ 5 ug/Lall year004
Tetrachloroethylenedaily maximum≤ .00109 kg/dall year004
1,1-Dichloroethanedaily maximum≤ 5 ug/Lall year004
1,1-Dichloroethanedaily maximum≤ .00109 kg/dall year004
1,2-Dichloroethenedaily maximum≤ 5 ug/Lall year004
1,2-Dichloroethenedaily maximum≤ .00109 kg/dall year004
Trichloroethylenedaily maximum≤ 5 ug/Lall year004
Trichloroethylenedaily maximum≤ .00109 kg/dall year004
Tetrachloroethylenemonthly averagereport only (ug/L)all year904
Tetrachloroethylenedaily maximumreport only (ug/L)all year904
1,1-Dichloroethanemonthly averagereport only (ug/L)all year904
1,1-Dichloroethanedaily maximumreport only (ug/L)all year904
1,2-Dichloroethenemonthly averagereport only (ug/L)all year904
1,2-Dichloroethenedaily maximumreport only (ug/L)all year904
Trichloroethylenemonthly averagereport only (ug/L)all year904
Trichloroethylenedaily maximumreport only (ug/L)all year904

How strict are these limits?

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

Same industry: the 17 Motor Freight Transportation and Warehousing 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/OH0052370 · MCP: https://passage-data.com/mcp