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Sewerage Systems, Casselberry, Florida. NPDES permit FL0036251 expired Nov 2, 2026. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 8.5 SU | all year |
| Solids, total suspended | monthly average | ≤ 5 mg/L | all year |
| Solids, total suspended | maximum | ≤ 6 mg/L | all year |
| Solids, total suspended | maximum | ≤ 6 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 5 mg/L | all year |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, total [as N] | annual average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.5 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | maximum | ≤ 3 mg/L | all year |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 0 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | maximum | ≤ 0 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 0 mg/L | all year |
| Nitrogen, ammonia total [as N] | maximum | ≤ 2.5 Ratio | all year |
| Nitrogen, nitrate total [as N] | maximum | report only (mg/L) | all year |
| Nitrogen, nitrate total [as N] | monthly total | ≤ 2805 lb/mo | all year |
| Phosphorus, total [as P] | monthly average | ≤ .4 mg/L | all year |
| Phosphorus, total [as P] | maximum | ≤ .5 mg/L | all year |
| Phosphorus, total [as P] | monthly total | ≤ 40 lb/mo | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | annual average | ≤ .87 MGD | all year |
| Chlorine, total residual | maximum | ≤ .01 mg/L | all year |
| Chlorine, total residual | minimum | ≥ .5 mg/L | all year |
| E. coli | 10% of samples | ≤ 410 CFU/d | all year |
| E. coli | monthly geometric mean | ≤ 126 CFU/d | all year |
| E. coli | monthly geometric mean | ≤ 126 CFU/d | all year |
| E. coli | 10% of samples | ≤ 410 CFU/d | all year |
| Coliform, fecal general | maximum | ≤ 800 #/100mL | all year |
| Coliform, fecal general | 90th percentile | ≤ 400 #/100mL | all year |
| Coliform, fecal general | 90th percentile | ≤ 400 #/100mL | all year |
| Coliform, fecal general | maximum | ≤ 800 #/100mL | all year |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year |
| Coliform, fecal general | annual average | ≤ 200 #/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 5 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | maximum | ≤ 6 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | maximum | ≤ 6 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 5 mg/L | all year |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | minimum | ≥ 100 % | all year |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | minimum | ≥ 100 % | all year |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | minimum | ≥ 100 % | all year |
| LC50 Static Renewal 96Hr Acute Cyprinella leedsi | minimum | ≥ 100 % | all year |
| LC50 Static Renewal 96Hr Acute Cyprinella leedsi | minimum | ≥ 100 % | all year |
| LC50 Static Renewal 96Hr Acute Cyprinella leedsi | minimum | ≥ 100 % | all year |
Cited limits by parameter: Florida'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/FL0036251 · MCP: https://passage-data.com/mcp