Passage Data · Check a report · Use it from your AI
Wood Preserving, Tacoma, Washington. NPDES permit WA0037953 expired Sep 30, 2026; its terms still apply. Last 12 months: over a limit 3 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| May 2026 | Copper, total [as Cu], daily maximum | 494 | ≤ 105 ug/L | 370% |
| June 2026 | Chemical oxygen demand [COD], daily maximum | 316 | ≤ 120 mg/L | 163% |
| June 2026 | Copper, total [as Cu], daily maximum | 2160 | ≤ 105 ug/L | 1957% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Turbidity | daily maximum | report only (NTU) (alert, not enforceable) | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 001 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 10 mg/L | all year | 001 |
| Arsenic, total [as As] | daily maximum | ≤ 68 ug/L | all year | 001 |
| Chromium, total [as Cr] | daily maximum | ≤ 33 ug/L | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ 92 ug/L | all year | 001 |
| Polynuclear Aromatic Hydrocarbons [PAHs] | daily maximum | ≤ 37 ug/L | all year | 001 |
| Pentachlorophenol | daily maximum | ≤ 39.5 ug/L | all year | 001 |
| Total Petroleum Hydrocarbons - Diesel | daily maximum | ≤ 500 ug/L | all year | 001 |
| Flow | average | report only (gal/min) (alert, not enforceable) | all year | 001 |
| Flow | maximum | report only (gal/min) (alert, not enforceable) | all year | 001 |
| Chemical oxygen demand [COD] | daily maximum | ≤ 120 mg/L | all year | 001 |
| Turbidity | daily maximum | report only (NTU) (alert, not enforceable) | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 002 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 10 mg/L | all year | 002 |
| Arsenic, total [as As] | daily maximum | ≤ 118 ug/L | all year | 002 |
| Chromium, total [as Cr] | daily maximum | ≤ 22.5 ug/L | all year | 002 |
| Copper, total [as Cu] | daily maximum | ≤ 105 ug/L | all year | 002 |
| Polynuclear Aromatic Hydrocarbons [PAHs] | daily maximum | ≤ 50 ug/L | all year | 002 |
| Pentachlorophenol | daily maximum | ≤ 8.6 ug/L | all year | 002 |
| Total Petroleum Hydrocarbons - Diesel | daily maximum | ≤ 500 ug/L | all year | 002 |
| Flow | average | report only (gal/min) (alert, not enforceable) | all year | 002 |
| Flow | maximum | report only (gal/min) (alert, not enforceable) | all year | 002 |
| Chemical oxygen demand [COD] | daily maximum | ≤ 120 mg/L | all year | 002 |
| Turbidity | daily maximum | report only (NTU) (alert, not enforceable) | all year | 002A |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | 002A |
| pH | minimum | report only (SU) (alert, not enforceable) | all year | 002A |
| Solids, total suspended | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 002A |
| Oil and grease [soxhlet extr.] tot. | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 002A |
| Arsenic, total [as As] | daily maximum | report only (ug/L) (alert, not enforceable) | all year | 002A |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) (alert, not enforceable) | all year | 002A |
| Copper, total [as Cu] | daily maximum | report only (ug/L) (alert, not enforceable) | all year | 002A |
| Polynuclear Aromatic Hydrocarbons [PAHs] | daily maximum | report only (ug/L) (alert, not enforceable) | all year | 002A |
| Pentachlorophenol | daily maximum | report only (ug/L) (alert, not enforceable) | all year | 002A |
| Rainfall | daily maximum | report only (in) (alert, not enforceable) | all year | 002A |
| Duration | daily maximum | report only (hr) (alert, not enforceable) | all year | 002A |
| Total Petroleum Hydrocarbons - Diesel | daily maximum | report only (ug/L) (alert, not enforceable) | all year | 002A |
| Flow | average | report only (gal/min) (alert, not enforceable) | all year | 002A |
| Flow | maximum | report only (gal/min) (alert, not enforceable) | all year | 002A |
| Chemical oxygen demand [COD] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 002A |
Cited limits by parameter: Washington's rules and the federal ones.
Same industry: the 11 Lumber and Wood Products permits in Washington.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/WA0037953 · MCP: https://passage-data.com/mcp