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Sewerage Systems, Stanton, Tennessee. NPDES permit TN0074799, in force until Mar 31, 2029. Last 12 months: over a limit 3 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| February 2026 | E. coli, daily maximum | 1553 #/100mL | ≤ 941 #/100mL | 65% |
| February 2026 | E. coli, monthly average | < 777 #/100mL | ≤ 126 #/100mL | 517% |
| March 2026 | E. coli, monthly average | < 259 #/100mL | ≤ 126 #/100mL | 106% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | daily minimum | ≥ 6 mg/L | all year |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year |
| Solids, settleable | daily maximum | ≤ 1 mL/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .9 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.71 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 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 | daily maximum | ≤ .02 mg/L | all year |
| E. coli | monthly average | ≤ 126 #/100mL | all year |
| E. coli | daily maximum | ≤ 941 #/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 20 mg/L | all year |
Cited limits by parameter: Tennessee'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/TN0074799 · MCP: https://passage-data.com/mcp