NPDES permit OR0001708 · Major NON-POTW · administratively continued, expires 2026-07-31 · EPA's file as of 2026-09-19
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This permit expired on 2026-07-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
Last period with anything received: 2026-07-31.
Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Temperature, water deg. centigrade | DAILY MX | report only | all year |
| 001 | Temperature, water deg. centigrade | MO AVG | report only | all year |
| 001 | Temperature, water deg. centigrade | MX DA AV | report only | all year |
| 001 | Temperature, water deg. centigrade | INST MAX | <= 34.6 deg C | all year |
| 001 | Thermal Discharge | MO AVG | <= 770 mkcal/day | Jul, Aug, Sep, Oct |
| 001 | pH | MO MIN | report only | all year |
| 001 | pH | MO MAX | report only | all year |
| 001 | Oil & Grease | MO AVG | <= 10 mg/L | all year |
| 001 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 001 | Aluminum, total [as Al] | MO AVG | <= 2.4 mg/L | all year |
| 001 | Aluminum, total [as Al] | DAILY MX | <= 6.9 mg/L | all year |
| 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 | 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 | <= .1 mg/L | all year |
| 001 | pH, maximum | DAILY MX | <= 8.5 SU (alert) | all year |
| 001 | pH, minimum | DAILY MN | >= 6 SU (alert) | all year |
| 001 | pH range excursions, > 60 minutes | TOTAL | <= 0 occur/mo | all year |
| 001 | pH range excursions, monthly total accum | TOTAL | <= 446 min | 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