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Special Warehousing And Storage, Council Bluffs, Iowa. NPDES permit IA0071234, in force until Feb 28, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Oil & Grease | 30-day average | ≤ 10 mg/L | all year |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year |
| Aluminum, total [as Al] | 30-day average | ≤ 3.486 mg/L | all year |
| Aluminum, total [as Al] | daily maximum | ≤ 3.486 mg/L | all year |
| Aluminum, total [as Al] | 30-day average | ≤ 11.07 lb/d | all year |
| Aluminum, total [as Al] | daily maximum | ≤ 11.07 lb/d | all year |
| Benzene | daily maximum | ≤ .005 mg/L | all year |
| Benzene, toluene, xylene in combination | daily maximum | ≤ .1 mg/L | all year |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Chlorine, total residual, 30-day average | 0.0265 mg/L | new | — | — |
| Chlorine, total residual, 30-day average | 0.08412 lb/d | new | — | — |
| Chlorine, total residual, daily maximum | 0.0265 mg/L | new | — | — |
| Chlorine, total residual, daily maximum | 0.08412 lb/d | new | — | — |
| Iron, total [as Fe], 30-day average | 1.395 mg/L | new | — | — |
| Iron, total [as Fe], 30-day average | 4.427 lb/d | new | — | — |
| Iron, total [as Fe], daily maximum | 1.395 mg/L | new | — | — |
| Iron, total [as Fe], daily maximum | 4.427 lb/d | new | — | — |
Cited limits by parameter: Iowa's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/IA0071234 · MCP: https://passage-data.com/mcp