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Refuse Systems, Everson, Washington. NPDES permit WA0031984, in force until Aug 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Turbidity | daily maximum | report only (NTU) (alert, not enforceable) | all year | 001 |
| Sulfate [as S] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 10 mg/L | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 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 maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, dissolved reactive [drp as P] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Chloride [as Cl] | average | ≤ 230 mg/L | all year | 001 |
| Arsenic, total [as As] | daily maximum | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Manganese, total [as Mn] | daily maximum | report only (ug/L) (alert, not enforceable) | 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 maximum | ≤ 5 NTU | all year | 001 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | 001 |
| Flow | daily maximum | report only (MGD) (alert, not enforceable) | 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 maximum | ≤ 5 mg/L | all year | 001 |
| Oil and grease visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 001 |
| Turbidity | daily maximum | report only (NTU) (alert, not enforceable) | all year | 0DT |
Cited limits by parameter: Washington's rules and the federal ones.
Same industry: the 3 Refuse Systems permits in Washington.
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