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Paper Mills, major discharger, Halsey, Oregon. NPDES permit OR0033405 expired Nov 30, 2015; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Apr–Oct |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Apr–Oct |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year |
| Turbidity | monthly average | report only (NTU) | all year |
| Turbidity | monthly average | report only (NTU) | all year |
| Turbidity | daily maximum | report only (NTU) | all year |
| Turbidity | daily maximum | report only (NTU) | all year |
| Total production - mass | monthly average | report only (short ton/d) | all year |
| Total production - mass | monthly average | report only (short ton/d) | all year |
| Total production - mass | monthly average | report only (short ton/d) | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 1500 lb/d | May–Oct |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 3120 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 3900 lb/d | May–Oct |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 5760 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 3500 lb/d | all year |
| Solids, total suspended | daily maximum | ≤ 6750 lb/d | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Excess thermal load | monthly average | report only (mkcal/day) | Apr–Oct |
| Excess thermal load | daily maximum | report only (mkcal/day) | Apr–Oct |
Cited limits by parameter: Oregon's rules and the federal ones.
Same industry: the 12 Paper and Allied 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/OR0033405 · MCP: https://passage-data.com/mcp