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Sewage treatment plant, Moville, Iowa. NPDES permit IA0042943, in force until Apr 30, 2030. Last 12 months: over a limit 2 times (last June 2026), 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit |
|---|---|---|---|
| May 2026 | pH, daily maximum | 9.4 | ≤ 9 SU |
| June 2026 | pH, daily maximum | 9.9 | ≤ 9 SU |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| BOD, 5-day, 20 deg. C | 30-day average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | 30-day average | report only (lb/d) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | report only (lb/d) | all year |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| pH | 30-day average | report only (SU) | all year |
| pH | daily maximum | report only (SU) | all year |
| Solids, total suspended | 30-day average | ≤ 80 mg/L | all year |
| Solids, total suspended | 7-day average | ≤ 120 mg/L | all year |
| Solids, total suspended | 30-day average | ≤ 246.9 lb/d | all year |
| Solids, total suspended | 7-day average | ≤ 370.3 lb/d | all year |
| Solids, total suspended | 30-day average | report only (mg/L) | all year |
| Solids, total suspended | daily maximum | report only (mg/L) | all year |
| Solids, total suspended | 30-day average | report only (lb/d) | all year |
| Solids, total suspended | daily maximum | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 7.4 mg/L | May |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 24.6 mg/L | Jan |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 19.2 mg/L | Mar |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 4.9 mg/L | Jun |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 12.8 mg/L | Nov |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 5.6 mg/L | Jul |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 5.1 mg/L | Aug |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 16.3 mg/L | Dec |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 12.4 mg/L | Oct |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 8.8 mg/L | Apr |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 28 mg/L | Feb |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 5.6 mg/L | Sep |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 13.3 mg/L | May |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 38.7 mg/L | Jan |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 19.2 mg/L | Mar |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 13.3 mg/L | Jun |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.8 mg/L | Nov |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 14.1 mg/L | Jul |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 11.6 mg/L | Aug |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 16.3 mg/L | Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 15.2 mg/L | Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 14.7 mg/L | Apr |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 30.4 mg/L | Feb |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 15.2 mg/L | Sep |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 20 lb/d | May |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 66.3 lb/d | Jan |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 51.7 lb/d | Mar |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 13.3 lb/d | Jun |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 34.5 lb/d | Nov |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 15 lb/d | Jul |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 13.7 lb/d | Aug |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 44.2 lb/d | Dec |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 33.5 lb/d | Oct |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 23.7 lb/d | Apr |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 75.2 lb/d | Feb |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 15.2 lb/d | Sep |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 36.1 lb/d | May |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 110.3 lb/d | Jan |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 51.7 lb/d | Mar |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 36.1 lb/d | Jun |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 34.5 lb/d | Nov |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 38.1 lb/d | Jul |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 31.3 lb/d | Aug |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 44.2 lb/d | Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 40.8 lb/d | Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 40.4 lb/d | Apr |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 82.9 lb/d | Feb |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 40.8 lb/d | Sep |
| E. coli | geometric mean | ≤ 126 #/100mL | Mar–Nov |
| BOD, carbonaceous [5 day, 20 C] | 30-day average | ≤ 25 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 40 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | 30-day average | ≤ 77.1 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 123.4 lb/d | all year |
Cited limits by parameter: Iowa's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/IA0042943 · MCP: https://passage-data.com/mcp