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Petroleum Refining, major discharger, Tacoma, Washington. NPDES permit WA0001783, in force until Jun 30, 2031. Last 12 months: no values over a limit, 246 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) (alert, not enforceable) | all year | 001A |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001A |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) (alert, not enforceable) | all year | 001A |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 126 lb/d (alert, not enforceable) | all year | 001A |
| Solids, total suspended | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001A |
| Solids, total suspended | monthly average | report only (mg/L) (alert, not enforceable) | all year | 001A |
| Solids, total suspended | monthly average | ≤ 107 lb/d (alert, not enforceable) | all year | 001A |
| Oil and grease, hexane extr method | daily maximum | ≤ 15 mg/L (alert, not enforceable) | all year | 001A |
| Oil and grease, hexane extr method | monthly average | ≤ 39 lb/d (alert, not enforceable) | all year | 001A |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001A |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 001A |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 14 lb/d | all year | 001A |
| Sulfide, total [as S] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001A |
| Sulfide, total [as S] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 001A |
| Sulfide, total [as S] | monthly average | ≤ .71 lb/d | all year | 001A |
| Chromium, hexavalent [as Cr] | monthly average | ≤ .06 lb/d | all year | 001A |
| Chromium, total [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001A |
| Chromium, total [as Cr] | monthly average | ≤ .88 lb/d | all year | 001A |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | ≤ 50 ug/L | all year | 001A |
| Total phenols | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001A |
| Total phenols | monthly average | report only (mg/L) (alert, not enforceable) | all year | 001A |
| Phenolics, total | monthly average | ≤ .65 lb/CFS/d | all year | 001A |
| pH, maximum | daily maximum | ≤ 9 SU (alert, not enforceable) | all year | 001A |
| pH, minimum | daily minimum | ≥ 6 SU (alert, not enforceable) | all year | 001A |
| Flow | monthly average | report only (MGD) (alert, not enforceable) | all year | 001A |
| Chemical oxygen demand [COD] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001A |
| Chemical oxygen demand [COD] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 001A |
| Chemical Oxygen Demand [COD] | monthly average | ≤ 633 lb/d (alert, not enforceable) | all year | 001A |
| Daily excursion time [min] | monthly total | ≤ 446 min | all year | 001A |
| Turbidity | daily maximum | ≤ 25 NTU (alert, not enforceable) | all year | 001B |
| pH | daily minimum | ≥ 5 SU | all year | 001B |
| pH | daily maximum | ≤ 9 SU | all year | 001B |
| Oil and grease, hexane extr method | daily maximum | ≤ 15 mg/L | all year | 001B |
| Copper, total [as Cu] | daily maximum | ≤ 5.8 ug/L | all year | 001B |
| Duration | monthly total | report only (min) (alert, not enforceable) | all year | 001B |
| Flow, total | monthly total | report only (gal) (alert, not enforceable) | all year | 001B |
| Free Oil Visual Sheen | single reading | report only (N=0;Y=1) (alert, not enforceable) | all year | 001B |
| Turbidity | daily maximum | ≤ 25 NTU (alert, not enforceable) | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Oil and grease, hexane extr method | daily maximum | ≤ 15 mg/L | all year | 002 |
| Copper, total [as Cu] | daily maximum | ≤ 5.8 ug/L | all year | 002 |
| Duration | monthly total | report only (min) (alert, not enforceable) | all year | 002 |
| Flow, total | monthly total | report only (gal) (alert, not enforceable) | all year | 002 |
| Free Oil Visual Sheen | single reading | report only (N=0;Y=1) (alert, not enforceable) | all year | 002 |
| Turbidity | daily maximum | ≤ 25 NTU (alert, not enforceable) | all year | 003 |
| pH | daily minimum | ≥ 5 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Oil and grease, hexane extr method | daily maximum | ≤ 15 mg/L | all year | 003 |
| Duration | monthly total | report only (min) (alert, not enforceable) | all year | 003 |
| Flow, total | monthly total | report only (gal) (alert, not enforceable) | all year | 003 |
| Free Oil Visual Sheen | single reading | report only (N=0;Y=1) (alert, not enforceable) | all year | 003 |
| Turbidity | daily maximum | ≤ 25 NTU (alert, not enforceable) | all year | 005 |
| pH | daily minimum | ≥ 5 SU | all year | 005 |
| pH | daily maximum | ≤ 9 SU | all year | 005 |
| Oil and grease, hexane extr method | daily maximum | ≤ 15 mg/L | all year | 005 |
| Copper, total [as Cu] | single reading | report only (ug/L) (alert, not enforceable) | all year | 005 |
| Duration | monthly total | report only (min) (alert, not enforceable) | all year | 005 |
| Flow, total | monthly total | report only (gal) (alert, not enforceable) | all year | 005 |
| Free Oil Visual Sheen | single reading | report only (N=0;Y=1) (alert, not enforceable) | all year | 005 |
| Duration | monthly total | report only (min) (alert, not enforceable) | all year | DFS |
| Flow, total | monthly total | report only (gal) (alert, not enforceable) | all year | DFS |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | NUTR |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | NUTR |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | NUTR |
| Nitrogen, Kjeldahl, dissolved [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | NUTR |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | NUTR |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | NUTR |
| Carbon, dissolved organic [as C] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | NUTR |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | NUTR |
| Particulate Organic Carbon | daily maximum | report only (ppm) (alert, not enforceable) | all year | NUTR |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) (alert, not enforceable) | all year | ORB |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) (alert, not enforceable) | all year | ORB |
| Flow | daily maximum | report only (MGD) (alert, not enforceable) | all year | ORB |
| Total Production - volume | monthly average | report only (bbl/d) (alert, not enforceable) | all year | PROD |
| Rainfall | daily maximum | report only (in) (alert, not enforceable) | all year | RAIN |
| Rainfall | monthly total | report only (in) (alert, not enforceable) | all year | RAIN |
Cited limits by parameter: Washington's rules and the federal ones.
Same industry: the 6 Petroleum Refining and Related Industries permits in Washington.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/WA0001783 · MCP: https://passage-data.com/mcp