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Petroleum Bulk Stations & Terminals, North Liberty, Iowa. NPDES permit IA0072273, in force until May 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 99 mg/L | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 9.6 lb/d | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Oil & Grease | 30-day average | ≤ 10 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 001 |
| Benzene | daily minimum | ≥ 5 ug/L | all year | 001 |
| Benzene, toluene, xylene in combination | daily maximum | ≤ 100 ug/L | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Oil & Grease | 30-day average | ≤ 10 mg/L | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Benzene | daily maximum | ≤ 5 ug/L | all year | 002 |
| Benzene, toluene, xylene in combination | daily maximum | ≤ 100 ug/L | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Oil & Grease | 30-day average | ≤ 10 mg/L | all year | 003 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 003 |
| Benzene | daily maximum | ≤ 5 ug/L | all year | 003 |
| Benzene, toluene, xylene in combination | daily maximum | ≤ 100 ug/L | all year | 003 |
Cited limits by parameter: Iowa's rules and the federal ones.
Same industry: the 7 Wholesale Trade — Nondurable Goods permits in Iowa.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/IA0072273 · MCP: https://passage-data.com/mcp