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Fresh Or Frozen Prepared Fish, Isola, Mississippi. NPDES permit MS0039659, in force until Apr 30, 2030. Last 12 months: over a limit 7 times (last July 2026), 4 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 49.5 lb/d | ≤ 45.7 lb/d | 8% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 8.6 mg/L | ≤ 8 mg/L | 8% |
| January 2026 | Nitrogen, ammonia total [as N], monthly average | 8.2 mg/L | ≤ 8 mg/L | 3% |
| July 2026 | Chlorine, total residual, daily maximum | .1 mg/L | ≤ .039 mg/L | 156% |
| July 2026 | Chlorine, total residual, daily maximum | .39 lb/d | ≤ .22 lb/d | 77% |
| July 2026 | Chlorine, total residual, monthly average | .08 mg/L | ≤ .026 mg/L | 208% |
| July 2026 | Chlorine, total residual, monthly average | .32 lb/d | ≤ .15 lb/d | 113% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Total production - mass | monthly average | report only (lb/d) | all year |
| Total production - mass | daily maximum | report only (lb/d) | all year |
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 90 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 135 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 513 lb/d | all year |
| Solids, total suspended | daily maximum | ≤ 769 lb/d | all year |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year |
| Oil & Grease | monthly average | ≤ 57 lb/d | all year |
| Oil & Grease | daily maximum | ≤ 85 lb/d | all year |
| Nitrogen, total [as N] | annual average | report only (mg/L) | all year |
| Nitrogen, total [as N] | annual maximum | report only (mg/L) | all year |
| Nitrogen, total [as N] | annual average | report only (lb/d) | all year |
| Nitrogen, total [as N] | annual maximum | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 8 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 45.7 lb/d | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 68.6 lb/d | all year |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | annual maximum | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (lb/d) | all year |
| Nitrogen, Kjeldahl, total [as N] | annual maximum | report only (lb/d) | all year |
| Nitrite + Nitrate total [as N] | annual average | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | annual maximum | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | annual average | report only (lb/d) | all year |
| Nitrite + Nitrate total [as N] | annual maximum | report only (lb/d) | all year |
| Phosphorus, total [as P] | annual average | report only (mg/L) | all year |
| Phosphorus, total [as P] | annual maximum | report only (mg/L) | all year |
| Phosphorus, total [as P] | annual average | report only (lb/d) | all year |
| Phosphorus, total [as P] | annual maximum | report only (lb/d) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Chlorine, total residual | monthly average | ≤ .026 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .039 mg/L | all year |
| Chlorine, total residual | monthly average | ≤ .15 lb/d | all year |
| Chlorine, total residual | daily maximum | ≤ .22 lb/d | all year |
| E. coli | geometric mean | ≤ 126 #/100mL | all year |
| E. coli | daily maximum | ≤ 410 #/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 40 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 60 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 228 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 343 lb/d | all year |
Cited limits by parameter: Mississippi's rules and the federal ones.
Same industry: the 41 Food and Kindred Products permits in Mississippi.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/MS0039659 · MCP: https://passage-data.com/mcp