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Soybean Oil Mills, Galva, Iowa. NPDES permit IA0082121, in force until Dec 31, 2030. Last 12 months: over a limit 12 times (last September 2026), 40 required values missing, 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| March 2026 | Sulfate, total [as SO4], 30-day average | 2619 | ≤ 1520 mg/L | 72% |
| March 2026 | Sulfate, total [as SO4], daily maximum | 2619 | ≤ 1520 mg/L | 72% |
| July 2026 | Iron, total [as Fe], 30-day average | 1.04 | ≤ 1.004 mg/L | 4% |
| July 2026 | Iron, total [as Fe], 30-day average | 1.04 | ≤ 1.004 mg/L | 4% |
| July 2026 | Iron, total [as Fe], daily maximum | 1.04 | ≤ 1.004 mg/L | 4% |
| July 2026 | Iron, total [as Fe], daily maximum | 1.04 | ≤ 1.004 mg/L | 4% |
| July 2026 | Oxygen, dissolved [DO], daily minimum | .1 | ≥ 5 mg/L | 98% |
| July 2026 | Oxygen, dissolved [DO], daily minimum | .1 | ≥ 5 mg/L | 98% |
| August 2026 | Oxygen, dissolved [DO], daily minimum | .3 | ≥ 5 mg/L | 94% |
| September 2026 | Iron, total [as Fe], 30-day average | 1.18 | ≤ 1.004 mg/L | 18% |
| September 2026 | Iron, total [as Fe], daily maximum | 1.18 | ≤ 1.004 mg/L | 18% |
| September 2026 | Oxygen, dissolved [DO], daily minimum | .4 | ≥ 5 mg/L | 92% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | ≤ 90 deg F | all year |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | all year |
| pH | daily minimum | ≥ 6.5 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year |
| Solids, total suspended | 30-day average | ≤ 11.6 lb/d | all year |
| Solids, total suspended | daily maximum | ≤ 17.45 lb/d | all year |
| Sulfate, total [as SO4] | 30-day average | ≤ 1520 mg/L | all year |
| Sulfate, total [as SO4] | daily maximum | ≤ 1520 mg/L | all year |
| Sulfate, total [as SO4] | 30-day average | ≤ 215 lb/d | all year |
| Sulfate, total [as SO4] | daily maximum | ≤ 215 lb/d | all year |
| Iron, total [as Fe] | 30-day average | ≤ 1.004 mg/L | all year |
| Iron, total [as Fe] | daily maximum | ≤ 1.004 mg/L | all year |
| Iron, total [as Fe] | 30-day average | ≤ .142 lb/d | all year |
| Iron, total [as Fe] | daily maximum | ≤ .142 lb/d | all year |
| Chlorine, total residual | 30-day average | ≤ .312 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .32 mg/L | all year |
| Chlorine, total residual | 30-day average | ≤ .121 lb/d | all year |
| Chlorine, total residual | daily maximum | ≤ .124 lb/d | all year |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Chlorine, total residual, daily maximum | 0.019 mg/L | tighter | 0.03 mg/L (10 values) | 1.58× |
| Chloride [as Cl], 30-day average | 389 mg/L | new | — | — |
| Chloride [as Cl], 30-day average | 399 lb/d | new | — | — |
| Chloride [as Cl], daily maximum | 646 lb/d | new | — | — |
| Chloride [as Cl], daily maximum | 629 mg/L | new | — | — |
| Chlorine, total residual, 30-day average | 0.011 lb/d | tighter | 0.000415 lb/d (10 values) | 0.0377× |
| Chlorine, total residual, 30-day average | 0.011 mg/L | tighter | 0.01 mg/L (10 values) | 0.909× |
| Chlorine, total residual, daily maximum | 0.02 lb/d | tighter | 0.000799 lb/d (10 values) | 0.0399× |
| Iron, total [as Fe], 30-day average | 1 mg/L | tighter | 0.345 mg/L (11 values) | 0.345× |
| Iron, total [as Fe], daily maximum | 1 mg/L | tighter | 0.345 mg/L (11 values) | 0.345× |
| Nitrogen, ammonia total [as N], 30-day average | 2.5 lb/d (Dec) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 2.5 mg/L (Dec) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 3.4 mg/L (Jan) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 1.3 mg/L (Jun) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 3.5 lb/d (Jan) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 4 mg/L (Feb) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 1.3 lb/d (Jun) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 4.1 lb/d (Feb) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 1 mg/L (Jul) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 1 lb/d (Jul) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 3.4 mg/L (Mar) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 3.5 lb/d (Mar) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 2.3 mg/L (Nov) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 2.4 lb/d (Nov) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 1.6 mg/L (Oct) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 1.6 lb/d (Oct) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 1.8 lb/d (May) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 1.7 mg/L (May) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 1.1 lb/d (Sep) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 1.1 mg/L (Sep) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 1 lb/d (Aug) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 1 mg/L (Aug) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 1.6 lb/d (Apr) | new | — | — |
| Nitrogen, ammonia total [as N], 30-day average | 1.5 mg/L (Apr) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 6.9 mg/L (Dec) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 7.1 lb/d (Dec) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 10.1 mg/L (Jan) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 6.9 mg/L (Feb) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 5.7 mg/L (Jun) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 5.9 lb/d (Jun) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 10.4 lb/d (Jan) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 7.1 lb/d (Feb) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 5.9 lb/d (Jul) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 5.7 mg/L (Jul) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 8.6 lb/d (Mar) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 8.4 mg/L (Mar) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 5.9 lb/d (Nov) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 5.7 mg/L (Nov) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 5.7 mg/L (Oct) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 5.9 lb/d (Oct) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 4.7 mg/L (May) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 4.8 lb/d (May) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 4.7 mg/L (Sep) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 4.8 lb/d (Sep) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 5.9 lb/d (Aug) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 5.7 mg/L (Aug) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 5.9 lb/d (Apr) | new | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 5.7 mg/L (Apr) | new | — | — |
| Sulfate, total [as SO4], 30-day average | 1514 mg/L | tighter | 693 mg/L (11 values) | 0.458× |
| Sulfate, total [as SO4], daily maximum | 1514 mg/L | tighter | 693 mg/L (11 values) | 0.458× |
Cited limits by parameter: Iowa's rules and the federal ones.
Same industry: the 48 Food and Kindred Products 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/IA0082121 · MCP: https://passage-data.com/mcp