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Royal Oak Enterprises, LLC

Gum And Wood Chemicals, West Plains, Missouri. NPDES permit MO0131415, in force until Apr 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form Q quarterly (8 values)
Last report on file: June 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 4 reports late

Limits in force (8)

Parameter	Statistic	Limit	Months
Oxygen demand, chem. [high level] [COD]	daily maximum	report only (mg/L)	all year
pH	minimum	≥ 6.5 SU	all year
pH	maximum	≤ 9 SU	all year
Solids, total suspended	daily maximum	report only (mg/L)	all year
Oil and grease [soxhlet extr.] tot.	daily maximum	report only (mg/L)	all year
Benzene	daily maximum	report only (ug/L)	all year
Naphthalene	daily maximum	report only (ug/L)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year

How strict are these limits?

pH, minimum at least 6.5 SU — stricter than 16% of 973 other minor industrial and other permits in Missouri; 84% have the same limit

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

Same industry: the 22 Chemicals and Allied Products permits in Missouri.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MO0131415 · MCP: https://passage-data.com/mcp