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Royal Pacific Industries, Inc.

Wood Preserving, Mcminnville, Oregon. NPDES permit OR0037834 expired Jun 30, 2015; its limits still apply. Last 12 months: no values over a limit, 5 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 15 days after each period: form A monthly (2 values), form Q quarterly
Last report on file: September 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 5 of 16 reports late

Limits in force (9)

Parameter	Statistic	Limit	Months
Temperature, water deg. centigrade	value	report only (deg C)	all year
pH	daily minimum	≥ 6 SU	all year
pH	daily maximum	≤ 9 SU	all year
Solids, total suspended	daily maximum	≤ 130 mg/L (alert, not enforceable)	all year
Oil & Grease	daily maximum	≤ 10 mg/L	all year
Sodium, total [as Na]	value	report only (mg/L)	all year
Boron, total [as B]	value	report only (mg/L)	all year
Debris, floating [severity]	value	≤ 0 N=0;Y=1	all year
Floating solids, waste or visible foam-visual	value	≤ 0 N=0;Y=1	all year

How strict are these limits?

Oil & Grease, daily maximum 10 mg/L — stricter than 29% of 27 other minor industrial and other permits in Oregon; 70% have the same limit

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

Same industry: the 25 Lumber and Wood Products permits in Oregon.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OR0037834 · MCP: https://passage-data.com/mcp