Passage Data · Check a report · Use it from your AI
Petroleum Refining, major discharger, Superior, Wisconsin. NPDES permit WI0003085 expired Dec 31, 2024; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | daily minimum | ≥ 4 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 15 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 30 mg/L | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 001 |
| Oil and grease, hexane extr method | monthly maximum | report only (mg/L) | all year | 001 |
| Sulfite [as S] | quarterly maximum | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | monthly maximum | report only (mg/L) | all year | 001 |
| Barium, total [as Ba] | weekly average | ≤ 170 ug/L | all year | 001 |
| Chromium, total recoverable | quarterly maximum | report only (ug/L) | all year | 001 |
| Phenols | quarterly maximum | report only (ug/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) | all year | 001 |
| Mercury, total recoverable | quarterly maximum | report only (ng/L) | all year | 001 |
| Chromium, hexavalent tot recoverable | quarterly maximum | report only (ug/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) | all year | 004 |
| Mercury, total recoverable | quarterly maximum | report only (ng/L) | all year | 105 |
| Mercury, total recoverable | quarterly maximum | report only (ng/L) | all year | 701 |
Cited limits by parameter: Wisconsin's rules and the federal ones.
· 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/WI0003085 · MCP: https://passage-data.com/mcp