NPDES permit WA0039501 · Minor NON-POTW · effective, expires 2031-08-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileSign-ups are not open yet. We counted that someone asked — not who, and not which permit — and we open them once enough people do. The check stays free.
Last 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 |
|---|---|---|---|---|
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | Solids, total suspended | DAILY MX | <= 30 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | <= 20 mg/L | all year |
| 001 | Oil and grease, hexane extr method | DAILY MX | <= 15 mg/L | all year |
| 001 | Oil and grease, hexane extr method | MO AVG | <= 10 mg/L | all year |
| 001 | Lead, total [as Pb] | DAILY MX | report only (alert) | all year |
| 001 | Lead, total [as Pb] | MO AVG | report only (alert) | all year |
| 001 | Benzene, ethylbenzene, toluene, xylene combination | DAILY MX | <= 14.4 ug/L | all year |
| 001 | Benzene | DAILY MX | <= 4.3 ug/L | all year |
| 001 | Total Petroleum Hydrocarbons - Diesel | DAILY MX | <= 10 mg/L | all year |
| 001 | Total Petroleum Hydrocarbons - Gasoline | DAILY MX | <= 1 mg/L | all year |
| 001 | Flow | DAILY MX | report only (alert) | all year |
| 001 | Flow | MO AVG | report only (alert) | all year |
| 001 | Oil and grease visual | DAILY MX | <= 0 N=0;Y=1 | 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