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Sewage treatment plant, Villa Rica, Georgia. NPDES permit GA0027171 expired Feb 29, 2024; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 20 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 39.4 kg/d | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 49.3 kg/d | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (kg/d) | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | report only (kg/d) | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 8 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 59.1 kg/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 73.9 kg/d | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | weekly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | report only (kg/d) | all year | 001 |
| Solids, total suspended | weekly average | report only (kg/d) | all year | 001 |
| Nitrogen, organic total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | ≤ .75 mg/L | all year | 001 |
| Phosphorus, total [as P] | weekly average | ≤ 1.1 mg/L | all year | 001 |
| Phosphorus, total [as P] | monthly average | ≤ 1.5 kg/d | all year | 001 |
| Phosphorus, total [as P] | weekly average | ≤ 1.8 kg/d | all year | 001 |
| Phosphate, ortho [as P] | monthly average | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .52 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | weekly average | ≤ .65 MGD | all year | 001 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 001 |
| Solids, sludge, total, dry weight | monthly total | report only (dry ton) | all year | 001 |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | minimum | ≥ 85 % | all year | 001 |
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | minimum | ≥ 99 % | all year | 001 |
| Noel Statre 7Day Chronic Pimephales | minimum | ≥ 99 % | all year | 001 |
| Temperature, water deg. fahrenheit | minimum | report only (deg F) | May–Oct | SWM |
| Temperature, water deg. fahrenheit | maximum | report only (deg F) | May–Oct | SWM |
| Temperature, water deg. fahrenheit | minimum | report only (deg F) | May–Oct | SWM |
| Temperature, water deg. fahrenheit | maximum | report only (deg F) | May–Oct | SWM |
| Oxygen, dissolved [DO] | minimum | report only (mg/L) | May–Oct | SWM |
| Oxygen, dissolved [DO] | minimum | report only (mg/L) | May–Oct | SWM |
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/GA0027171 · MCP: https://passage-data.com/mcp