NPDES permit WA0001503 · Minor NON-POTW · administratively continued, expires 2025-01-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31.
Reports are due about 15 days after each monitoring period ends (the most common figure among WA permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| MP1 | Temperature, water deg. centigrade | DAILY MX | report only (alert) | May, Jun, Jul, Aug, Sep, Oct |
| MP1 | pH | DAILY MN | >= 6 SU | all year |
| MP1 | pH | DAILY MX | <= 9 SU | all year |
| MP1 | Oil and grease, hexane extr method | DAILY MX | <= 10 mg/L | all year |
| MP1 | Copper, total [as Cu] | DAILY MX | report only (alert) | all year |
| MP1 | Flow | DAILY MX | <= 175000 gal/d | all year |
| MP1 | Oil and grease visual | DAILY MX | <= 0 N=0;Y=1 | all year |
| MP3 | Temperature, water deg. centigrade | DAILY MX | report only (alert) | May, Jun, Jul, Aug, Sep, Oct |
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