NPDES permit WA0038784 · Minor NON-POTW · effective, expires 2031-07-31 · 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: 2026-05-31.
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 | 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 | Copper, total [as Cu] | DAILY MX | <= 10 ug/L | all year |
| 001 | Zinc, total [as Zn] | DAILY MX | <= 114 ug/L | all year |
| 001 | Benzene, ethylbenzene, toluene, xylene combination | DAILY MX | <= 12.9 ug/L | all year |
| 001 | Toluene | DAILY MX | report only (alert) | all year |
| 001 | Benzene | DAILY MX | <= .8 ug/L | all year |
| 001 | Ethylbenzene | DAILY MX | report only (alert) | 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 | Xylene [mix of m+o+p] | DAILY MX | report only (alert) | all year |
| 002 | pH | Single Rdg | report only (alert) | all year |
| 002 | Solids, total suspended | Single Rdg | report only (alert) | all year |
| 002 | Copper, total [as Cu] | Single Rdg | report only (alert) | all year |
| 002 | Zinc, total [as Zn] | Single Rdg | report only (alert) | all year |
| 002 | Benzene, ethylbenzene, toluene, xylene combination | Single Rdg | report only (alert) | all year |
| 002 | Benzene | Single Rdg | report only (alert) | all year |
| 002 | Duration | Single Rdg | report only (alert) | all year |
| 002 | Oil & grease, non-polar material | Single Rdg | report only (alert) | all year |
| 002 | Volume, total | Single Rdg | report only (alert) | all year |
| 002 | Total Petroleum Hydrocarbons - Diesel | Single Rdg | report only (alert) | all year |
| 002 | Total Petroleum Hydrocarbons - Gasoline | Single Rdg | report only (alert) | all year |
| 002 | Flow | Single Rdg | report only (alert) | 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