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Johnsonite

Plastics Products, Chagrin Falls, Ohio. NPDES permit OH0001449, in force until May 31, 2028. Last 12 months: over a limit once (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due: About 20 days after each period: form A monthly (6 values)
Renewal application due: Dec 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file: September 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 15 reports late

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

Period ending	Parameter	Reported	Limit	Over by
March 2026	Solids, total suspended, monthly average	39	≤ 30 mg/L	30%

Limits in force (10)

Parameter	Statistic	Limit	Months	Outfall
Flow rate	monthly average	report only (gal/d)	all year	003
Flow rate	daily maximum	report only (gal/d)	all year	003
pH	daily minimum	≥ 6.5 SU	all year	003
pH	daily maximum	≤ 9 SU	all year	003
Solids, total suspended	monthly average	≤ 30 mg/L	all year	003
Solids, total suspended	daily maximum	≤ 45 mg/L	all year	003
Flow rate	monthly average	report only (gal/d)	Mar, Jun, Sep, Dec	004
Flow rate	daily maximum	report only (gal/d)	Mar, Jun, Sep, Dec	004
Zinc, total recoverable	monthly average	report only (ug/L)	Mar, Jun, Sep, Dec	004
Zinc, total recoverable	daily maximum	report only (ug/L)	Mar, Jun, Sep, Dec	004

How strict are these limits?

Solids, total suspended, daily maximum 45 mg/L — stricter than 16% of 559 other minor industrial and other permits in Ohio; 66% have the same limit

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

Same industry: the 28 Rubber and Miscellaneous Plastics 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/OH0001449 · MCP: https://passage-data.com/mcp