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The Boler Company

Plastics Products, Hillsdale, Michigan. NPDES permit MI0053651 expired Oct 1, 2026; its limits still apply. Last 12 months: no values over a limit, 20 required values missing, 5 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 21 days after each period: form A monthly (20 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 20 required values missing, 4 of 12 reports late

Limits in force (20)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
1,1-Dichloroethylenedaily maximum= 5 ug/Lall year
1,1-Dichloroethylenedaily maximumreport only (ug/L)all year
trans-1,2-Dichloroethylenedaily maximum= 5 ug/Lall year
trans-1,2-Dichloroethylenedaily maximumreport only (ug/L)all year
Vinyl chloridedaily maximum≤ 3 ug/Lall year
Vinyl chloridedaily maximumreport only (ug/L)all year
Equipment inspection - visualvaluereport only (N=0;Y=1)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Tetrachloroethenedaily maximum≤ 5 ug/Lall year
Tetrachloroethenedaily maximumreport only (ug/L)all year
Trichloroethenedaily maximum≤ 5 ug/Lall year
Trichloroethenedaily maximumreport only (ug/L)all year
1,2-cis-Dichloroethylenedaily maximum≤ 5 ug/Lall year
1,2-cis-Dichloroethylenedaily maximumreport only (ug/L)all year
cis-1,2-Dichloroethenedaily maximum≤ 5 ug/Lall year
cis-1,2-Dichloroethenedaily maximumreport only (ug/L)all year
Outfall observation,visual, y/n responsevaluereport only (N=0;Y=1)all year

How strict are these limits?

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

Same industry: the 4 Rubber and Miscellaneous Plastics Products permits in Michigan.

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/MI0053651 · MCP: https://passage-data.com/mcp