NPDES permit WA0031984 · Minor NON-POTW · effective, expires 2027-08-31 · 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 |
|---|---|---|---|---|
| 001 | Turbidity | DAILY MX | report only (alert) | all year |
| 001 | Sulfate [as S] | DAILY MX | report only (alert) | all year |
| 001 | Oxygen, dissolved [DO] | DAILY MX | report only (alert) | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 10 mg/L | all year |
| 001 | pH | DAILY MN | >= 6.5 SU | all year |
| 001 | pH | DAILY MX | <= 8.5 SU | all year |
| 001 | Solids, total suspended | AVERAGE | <= 6 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | AVERAGE | <= 4.9 mg/L | all year |
| 001 | Nitrogen, nitrate total [as N] | DAILY MX | report only (alert) | all year |
| 001 | Phosphorus, dissolved reactive [drp as P] | DAILY MX | report only (alert) | all year |
| 001 | Carbon, tot organic [TOC] | DAILY MX | report only (alert) | all year |
| 001 | Hardness, total [as CaCO3] | DAILY MX | report only (alert) | all year |
| 001 | Chloride [as Cl] | AVERAGE | <= 230 mg/L | all year |
| 001 | Arsenic, total [as As] | DAILY MX | report only (alert) | all year |
| 001 | Iron, total [as Fe] | DAILY MX | report only (alert) | all year |
| 001 | Manganese, total [as Mn] | DAILY MX | report only (alert) | all year |
| 001 | Zinc, total [as Zn] | AVERAGE | <= 110 ug/L | all year |
| 001 | Phenols | AVERAGE | <= 15 ug/L | all year |
| 001 | .alpha.-Terpineol | AVERAGE | <= 16 ug/L | all year |
| 001 | Turbidity, increase over background | DAILY MX | <= 5 NTU | all year |
| 001 | Flow | AVERAGE | report only (alert) | all year |
| 001 | Flow | DAILY MX | report only (alert) | all year |
| 001 | Benzoic acids, total | AVERAGE | <= 71 ug/L | all year |
| 001 | 4-Methylphenol | AVERAGE | <= 14 ug/L | all year |
| 001 | Hydrocarbons, total petroleum | DAILY MX | <= 5 mg/L | all year |
| 001 | Oil and grease visual | DAILY MX | <= 0 N=0;Y=1 | all year |
| 0DT | Turbidity | DAILY MX | 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