NPDES permit OR0000060 · Minor NON-POTW · effective, expires 2028-01-31 · EPA's file as of 2026-09-19
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Last period with anything received: 2026-08-31.
Reports are due about 15 days after each monitoring period ends (the most common figure among OR permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Temperature, water deg. centigrade | MO AVG | report only | Feb, Mar, Apr, May, Jun, Jul, Aug, Sep |
| 001 | Temperature, water deg. centigrade | DAILY MX | report only | Feb, Mar, Apr, May, Jun, Jul, Aug, Sep |
| 001 | Temperature, water deg. centigrade | MX 7D AV | report only | Feb, Mar, Apr, May, Jun, Jul, Aug, Sep |
| 001 | Thermal Discharge | MO AVG | <= 227 mkcal/day | Jun, Jul, Aug, Sep |
| 001 | pH | DAILY MN | >= 6.8 SU | all year |
| 001 | pH | DAILY MX | <= 9 SU | all year |
| 001 | Alkalinity, total [as CaCO3] | VALUE | report only | all year |
| 001 | Cyanide, free [as free] | MO AVG | <= .014 mg/L | all year |
| 001 | Cyanide, free [as free] | DAILY MX | <= .018 mg/L | all year |
| 001 | Cyanide, free [as free] | MO MAX | report only | all year |
| 001 | Cyanide, total [as CN] | VALUE | report only | all year |
| 001 | Cyanide, total [as CN] | MO MAX | report only | all year |
| 001 | Fluoride, total [as F] | MO AVG | <= 7.8 mg/L | all year |
| 001 | Fluoride, total [as F] | DAILY MX | <= 14.9 mg/L | all year |
| 001 | Fluoride, total [as F] | MO AVG | report only | Aug, Sep, Oct |
| 001 | Fluoride, total [as F] | DAILY MX | report only | Aug, Sep, Oct |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 001 | Chlorine, total residual | MO AVG | <= .05 mg/L | all year |
| 001 | Chlorine, total residual | DAILY MX | <= .05 mg/L | all year |
| 001 | Chlorine usage | DAILY MX | report only | all year |
Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states