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Grain And Field Beans, Jefferson, Iowa. NPDES permit IA0053431, in force until Nov 30, 2027. Last 12 months: over a limit 3 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit |
|---|---|---|---|
| January 2026 | pH, daily minimum | 6.3 | ≥ 6.5 SU |
| February 2026 | pH, daily minimum | 6.2 | ≥ 6.5 SU |
| August 2026 | pH, daily minimum | 6.4 | ≥ 6.5 SU |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. fahrenheit | 30-day average | ≤ 80.4 deg F | Feb |
| Temperature, water deg. fahrenheit | 30-day average | ≤ 70.9 deg F | Jan |
| Temperature, water deg. fahrenheit | 30-day average | ≤ 89.6 deg F | Jul |
| Temperature, water deg. fahrenheit | 30-day average | ≤ 89.6 deg F | Aug |
| Temperature, water deg. fahrenheit | 30-day average | ≤ 82.4 deg F | Apr |
| Temperature, water deg. fahrenheit | 30-day average | ≤ 89.6 deg F | Sep |
| Temperature, water deg. fahrenheit | 30-day average | ≤ 89.6 deg F | Jun |
| Temperature, water deg. fahrenheit | 30-day average | ≤ 71.6 deg F | Dec |
| Temperature, water deg. fahrenheit | 30-day average | ≤ 89.6 deg F | Oct |
| Temperature, water deg. fahrenheit | 30-day average | ≤ 87.4 deg F | Mar |
| Temperature, water deg. fahrenheit | 30-day average | ≤ 80.6 deg F | Nov |
| Temperature, water deg. fahrenheit | 30-day average | ≤ 84.9 deg F | May |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 89.6 deg F | Feb |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 89.6 deg F | Jan |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 89.6 deg F | Jul |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 89.6 deg F | Aug |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 89.6 deg F | Apr |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 89.6 deg F | Sep |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 89.6 deg F | Jun |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 89.6 deg F | Dec |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 89.6 deg F | Oct |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 89.6 deg F | Mar |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 89.6 deg F | Nov |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 89.6 deg F | May |
| pH | daily minimum | ≥ 6.5 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1 mg/L | Aug |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 4 mg/L | Feb |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.5 mg/L | Apr |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.6 mg/L | Oct |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 2.5 mg/L | Dec |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.7 mg/L | May |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 2.3 mg/L | Nov |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.3 mg/L | Jun |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 3.4 mg/L | Jan |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1 mg/L | Jul |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 2.1 mg/L | Mar |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.1 mg/L | Sep |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5.7 mg/L | Aug |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.9 mg/L | Feb |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5.7 mg/L | Apr |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5.7 mg/L | Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.9 mg/L | Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4.7 mg/L | May |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5.7 mg/L | Nov |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5.7 mg/L | Jun |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.1 mg/L | Jan |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5.7 mg/L | Jul |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Mar |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4.7 mg/L | Sep |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .09 lb/d | Aug |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .36 lb/d | Feb |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .14 lb/d | Apr |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .14 lb/d | Oct |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .23 lb/d | Dec |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .16 lb/d | May |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .21 lb/d | Nov |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .12 lb/d | Jun |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .31 lb/d | Jan |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .09 lb/d | Jul |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .19 lb/d | Mar |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .1 lb/d | Sep |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .53 lb/d | Aug |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .64 lb/d | Feb |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .53 lb/d | Apr |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .53 lb/d | Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .64 lb/d | Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .43 lb/d | May |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .53 lb/d | Nov |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .53 lb/d | Jun |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .93 lb/d | Jan |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .53 lb/d | Jul |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .77 lb/d | Mar |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .43 lb/d | Sep |
| Iron, total [as Fe] | 30-day average | ≤ 1 mg/L | all year |
| Iron, total [as Fe] | daily maximum | ≤ 1 mg/L | all year |
| Iron, total [as Fe] | 30-day average | ≤ .092 lb/d | all year |
| Iron, total [as Fe] | daily maximum | ≤ .092 lb/d | all year |
| Chlorine, total residual | 30-day average | ≤ .011 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year |
| Chlorine, total residual | 30-day average | ≤ .001 lb/d | all year |
| Chlorine, total residual | daily maximum | ≤ .0017 lb/d | all year |
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/IA0053431 · MCP: https://passage-data.com/mcp