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Sewage treatment plant, Trenton, Georgia. NPDES permit GA0026221 expired Aug 31, 2023; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 5 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 108 kg/d | all year |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 135 kg/d | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | weekly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (kg/d) | all year |
| BOD, 5-day, 20 deg. C | weekly average | report only (kg/d) | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 108 kg/d | all year |
| Solids, total suspended | weekly average | ≤ 135 kg/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | weekly average | report only (mg/L) | all year |
| Solids, total suspended | monthly average | report only (kg/d) | all year |
| Solids, total suspended | weekly average | report only (kg/d) | all year |
| Nitrogen, organic total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 15 mg/L | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6.8 mg/L | Apr–Oct |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 22.5 mg/L | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 10.2 mg/L | Apr–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 54 kg/d | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 24 kg/d | Apr–Oct |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 68 kg/d | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 31 kg/d | Apr–Oct |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | report only (kg/d) | all year |
| Phosphorus, total [as P] | weekly average | report only (kg/d) | all year |
| Phosphate, ortho [as P] | monthly average | report only (mg/L) | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .95 MGD | all year |
| Flow, in conduit or thru treatment plant | weekly average | ≤ 1.19 MGD | all year |
| Chlorine, total residual | daily maximum | ≤ .08 mg/L | all year |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year |
| Solids, sludge, total, dry weight | monthly total | report only (dry ton) | all year |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | all year |
| Solids, suspended percent removal | minimum | ≥ 85 % | all year |
Cited limits by parameter: Georgia'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/GA0026221 · MCP: https://passage-data.com/mcp