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Semiconductors And Related Devices, major discharger, Portland, Oregon. NPDES permit OR0030589, in force until Oct 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | ≤ 15 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 340 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 680 lb/d | all year | 001 |
| Phosphorous, total recoverable | monthly average | ≤ 10 mg/L | all year | 001 |
| Phosphorous, total recoverable | daily maximum | ≤ 15 mg/L | all year | 001 |
| Fluoride, total [as F] | monthly average | ≤ 17.4 mg/L | all year | 001 |
| Fluoride, total [as F] | daily maximum | ≤ 32 mg/L | all year | 001 |
| Fluoride, total [as F] | monthly average | ≤ 392 lb/d | all year | 001 |
| Fluoride, total [as F] | daily maximum | ≤ 721 lb/d | all year | 001 |
| Chromium, total [as Cr] | monthly average | ≤ .02 mg/L | all year | 001 |
| Chromium, total [as Cr] | daily maximum | ≤ .05 mg/L | all year | 001 |
| Chromium, total [as Cr] | monthly average | ≤ .45 lb/d | all year | 001 |
| Chromium, total [as Cr] | daily maximum | ≤ 1.13 lb/d | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Sodium Bisulfite | monthly average | report only (lb/d) | all year | 001 |
| Sodium Bisulfite | monthly minimum | report only (lb/d) | all year | 001 |
| Total toxic organics [TTO] [40 CFR469] | quarterly maximum | ≤ 1.37 mg/L | all year | 001 |
| Phosphorous, total recoverable | monthly average | ≤ 10 mg/L | all year | 002 |
| Phosphorous, total recoverable | daily maximum | ≤ 15 mg/L | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Sodium Bisulfite | monthly average | report only (lb/d) | all year | 002 |
| Sodium Bisulfite | monthly minimum | report only (lb/d) | all year | 002 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 003 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 003 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year | 003 |
| pH | daily minimum | ≥ 6 SU (alert, not enforceable) | all year | 003 |
| pH | daily maximum | ≤ 9 SU (alert, not enforceable) | all year | 003 |
| Solids, total suspended | monthly average | ≤ 23 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 61 mg/L | all year | 003 |
| Solids, total suspended | monthly average | ≤ 520 lb/d | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 1400 lb/d | all year | 003 |
| Chlorine, total residual | monthly average | ≤ .05 mg/L | all year | 003 |
| Chlorine, total residual | daily maximum | ≤ .14 mg/L | all year | 003 |
| Excess thermal load | maximum 7-day average | ≤ 22 mkcal/day | Jun–Sep | 003 |
| pH range excursions, > 60 minutes | total | ≤ 0 occur/mo | all year | 003 |
| pH range excursions, monthly total accum | total | ≤ 446 min | all year | 003 |
Cited limits by parameter: Oregon's rules and the federal ones.
Same industry: the 3 Electronic and Other Electrical Equipment 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/OR0030589 · MCP: https://passage-data.com/mcp