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Petroleum Refining, Indianapolis, Indiana. NPDES permit IN0061565, in force until Dec 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily minimum | report only (SU) | Jun, Dec | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| pH | daily maximum | report only (SU) | Jun, Dec | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | Jun, Dec | 001 |
| Oil and grease, hexane extr method | monthly average | ≤ 10 mg/L | all year | 001 |
| Oil and grease, hexane extr method | daily maximum | ≤ 15 mg/L | all year | 001 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Jun, Dec | 001 |
| Benzene | daily maximum | ≤ .005 mg/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 | daily maximum | report only (MGD) | all year | 001 |
| Chlorine, total residual | monthly average | < .06 mg/L | all year | 001 |
| Chlorine, total residual | daily maximum | < .06 mg/L | all year | 001 |
| Volatile compounds, [GC/MS] | monthly average | report only (mg/L) | all year | 001 |
| Volatile compounds, [GC/MS] | daily maximum | report only (mg/L) | all year | 001 |
| Storm water flow | event total | report only (MGD) | Jun, Dec | 001 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 001 |
| Flow, total | event total | report only (MGD) | Jun, Dec | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily minimum | report only (SU) | Jun, Dec | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| pH | daily maximum | report only (SU) | Jun, Dec | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | Jun, Dec | 002 |
| Oil and grease, hexane extr method | monthly average | ≤ 10 mg/L | all year | 002 |
| Oil and grease, hexane extr method | daily maximum | ≤ 15 mg/L | all year | 002 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Jun, Dec | 002 |
| Benzene | daily maximum | ≤ .005 mg/L | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Chlorine, total residual | monthly average | < .06 mg/L | all year | 002 |
| Chlorine, total residual | daily maximum | < .06 mg/L | all year | 002 |
| Volatile compounds, [GC/MS] | monthly average | report only (mg/L) | all year | 002 |
| Volatile compounds, [GC/MS] | daily maximum | report only (mg/L) | all year | 002 |
| Storm water flow | event total | report only (MGD) | Jun, Dec | 002 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 002 |
| Flow, total | event total | report only (MGD) | Jun, Dec | 002 |
Cited limits by parameter: Indiana's rules and the federal ones.
Same industry: the 41 Petroleum Refining and Related Industries permits in Indiana.
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Your permit document is the final word. As JSON: /api/v1/permits/IN0061565 · MCP: https://passage-data.com/mcp