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Sewage treatment plant, Hampton, Tennessee. NPDES permit TN0075094, in force until May 31, 2031. Last 12 months: no values over a limit, 2 of 3 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | daily minimum | ≥ 7.5 mg/L | all year |
| Oxygen, dissolved [DO] | daily minimum | ≥ 7.5 mg/L | all year |
| Oxygen, dissolved [DO] | daily minimum | ≥ 7.5 mg/L | all year |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 10 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 10 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 10 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 15 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 15 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 15 mg/L | all year |
| Solids, settleable | daily maximum | ≤ 1 mL/L | all year |
| Solids, settleable | daily maximum | ≤ 1 mL/L | all year |
| Solids, settleable | daily maximum | ≤ 1 mL/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6 mg/L | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | 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 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Chlorine, total residual | daily maximum | ≤ .16 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .16 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .16 mg/L | all year |
| E. coli | geometric mean | ≤ 126 #/100mL | all year |
| E. coli | geometric mean | ≤ 126 #/100mL | all year |
| E. coli | geometric mean | ≤ 126 #/100mL | all year |
| E. coli | daily maximum | ≤ 410 #/100mL | all year |
| E. coli | daily maximum | ≤ 410 #/100mL | all year |
| E. coli | daily maximum | ≤ 410 #/100mL | all year |
| UV Light Working | value | report only (pass=0;fail=1) | all year |
| UV Light Working | value | report only (pass=0;fail=1) | all year |
| UV Light Working | value | report only (pass=0;fail=1) | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 15 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 15 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 15 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/TN0075094 · MCP: https://passage-data.com/mcp