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Wood Preserving, Rainier, Oregon. NPDES permit OR0035637 expired Mar 31, 2021; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | daily minimum | ≥ 5.5 SU (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec |
| pH | daily maximum | ≤ 9 SU (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec |
| Solids, total suspended | monthly average | report only (mg/L) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec |
| Solids, total suspended | daily maximum | ≤ 100 mg/L (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec |
| Oil & Grease | monthly average | report only (mg/L) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec |
| Oil & Grease | daily maximum | ≤ 10 mg/L (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec |
| Lead, total [as Pb] | monthly average | report only (mg/L) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec |
| Lead, total [as Pb] | daily maximum | ≤ .04 mg/L (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec |
| Zinc, total [as Zn] | monthly average | report only (mg/L) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec |
| Zinc, total [as Zn] | daily maximum | ≤ .12 mg/L (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec |
| Copper, total recoverable | monthly average | report only (mg/L) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec |
| Copper, total recoverable | daily maximum | ≤ .02 mg/L (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec |
| Debris, floating [severity] | value | ≤ 0 N=0;Y=1 (alert, not enforceable) | all year |
| Floating solids, waste or visible foam-visual | value | ≤ 0 N=0;Y=1 (alert, not enforceable) | all year |
| Oil and grease visual | value | ≤ 0 N=0;Y=1 (alert, not enforceable) | all year |
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/OR0035637 · MCP: https://passage-data.com/mcp