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Sewage treatment plant, major discharger, Valdosta, Georgia. NPDES permit GA0020222 expired Apr 30, 2025; its limits still apply. Last 12 months: over a limit 8 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Nitrogen, ammonia total [as N], weekly average | 2.32 mg/L | ≤ 2.25 mg/L | 3% |
| October 2025 | Nitrogen, total [as N], rolling average | 12.7 mg/L | ≤ 11 mg/L | 15% |
| November 2025 | Nitrogen, total [as N], rolling average | 12.5 mg/L | ≤ 11 mg/L | 14% |
| December 2025 | Nitrogen, total [as N], rolling average | 12.4 mg/L | ≤ 11 mg/L | 13% |
| December 2025 | Nitrogen, total [as N], weekly average | 222 kg/d | ≤ 210.1 kg/d | 6% |
| December 2025 | Nitrogen, total [as N], weekly average | 24.5 mg/L | ≤ 20.6 mg/L | 19% |
| January 2026 | Nitrogen, total [as N], rolling average | 12.3 mg/L | ≤ 11 mg/L | 12% |
| May 2026 | Coliform, fecal general, monthly geometric mean | 357 #/100mL | ≤ 200 #/100mL | 79% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 10 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 15 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 122.1 kg/d | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 152.8 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 | ≤ 8.5 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 10 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 15 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 122.1 kg/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 152.8 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, total [as N] | monthly average | ≤ 13.75 mg/L | all year | 001 |
| Nitrogen, total [as N] | rolling average | ≤ 11 mg/L | all year | 001 |
| Nitrogen, total [as N] | weekly average | ≤ 20.6 mg/L | all year | 001 |
| Nitrogen, total [as N] | monthly average | ≤ 167.8 kg/d | all year | 001 |
| Nitrogen, total [as N] | weekly average | ≤ 210.1 kg/d | all year | 001 |
| Nitrogen, organic total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 2.25 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 18.3 kg/d | all year | 001 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 22.9 kg/d | 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 | report only (mg/L) | 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 | ≤ 3.22 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | weekly average | ≤ 4.03 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 | report only (%) | all year | 001 |
| Noel Statre 7Day Chronic Pimephales | minimum | report only (%) | all year | 001 |
| Temperature, water deg. fahrenheit | minimum | report only (deg F) | all year | 002 |
| Temperature, water deg. fahrenheit | maximum | report only (deg F) | all year | 002 |
| Temperature, water deg. fahrenheit | minimum | report only (deg F) | all year | 002 |
| Temperature, water deg. fahrenheit | maximum | report only (deg F) | all year | 002 |
| Conductivity | minimum | report only (umho/cm) | all year | 002 |
| Conductivity | maximum | report only (umho/cm) | all year | 002 |
| Conductivity | minimum | report only (umho/cm) | all year | 002 |
| Conductivity | maximum | report only (umho/cm) | all year | 002 |
| Oxygen, dissolved [DO] | minimum | report only (mg/L) | all year | 002 |
| Oxygen, dissolved [DO] | minimum | report only (mg/L) | all year | 002 |
| pH | minimum | report only (SU) | all year | 002 |
| pH | maximum | report only (SU) | all year | 002 |
| pH | minimum | report only (SU) | all year | 002 |
| pH | maximum | report only (SU) | all year | 002 |
| Coliform, fecal general | monthly geometric mean | report only (#/100mL) | all year | 002 |
| Coliform, fecal general | monthly geometric mean | report only (#/100mL) | all year | 002 |
| Stream flow, instantaneous | value | report only (cfs) | all year | 003 |
Cited limits by parameter: Georgia's rules and the federal ones.
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