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The Timken Co WHQ

Ball And Roller Bearings, North Canton, Ohio. NPDES permit OH0004189, in force until May 31, 2027. Last 12 months: no values over a limit, 4 of 14 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (12 values), outfall 002 form A monthly (6 values)
Renewal application due
Dec 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 16 reports late

Limits in force (18)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly averagereport only (mg/L)Mar, Jun, Sep, Dec001
Solids, total suspendeddaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)Mar, Jun, Sep, Dec001
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)Mar, Jun, Sep, Dec001
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Solids, total suspendedmonthly averagereport only (mg/L)Mar, Jun, Sep, Dec002
Solids, total suspendeddaily maximumreport only (mg/L)Mar, Jun, Sep, Dec002
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)Mar, Jun, Sep, Dec002
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Mar, Jun, Sep, Dec002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Mar, Jun, Sep, Dec002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)Mar, Jun, Sep, Dec002

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

Same industry: the 17 Industrial and Commercial Machinery and Computer Equipment 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/OH0004189 · MCP: https://passage-data.com/mcp