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Sewerage Systems, Warm Springs, Virginia. NPDES permit VA0053317, in force until Oct 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 5 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 12 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 18 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 1.8 kg/d | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 2.7 kg/d | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 12 mg/L | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 18 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 1.8 kg/d | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 2.7 kg/d | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .04 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year | 001 |
| E. coli | monthly average | ≤ 126 #/100mL | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 006 |
| pH | maximum | ≤ 9 SU | all year | 006 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 006 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 006 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 006 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| pH | minimum | ≥ 6 SU | all year | 007 |
| pH | maximum | ≤ 9 SU | all year | 007 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 007 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 007 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 007 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 007 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| pH | minimum | ≥ 6 SU | all year | 008 |
| pH | maximum | ≤ 9 SU | all year | 008 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 008 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 008 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
| pH | minimum | ≥ 6 SU | all year | 009 |
| pH | maximum | ≤ 9 SU | all year | 009 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 009 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 009 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 009 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 009 |
| pH | minimum | ≥ 6 SU | all year | 014 |
| pH | maximum | ≤ 9 SU | all year | 014 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 014 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 014 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 014 |
| Oil & Grease | daily maximum | ≤ 30 mg/L | all year | 014 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 014 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 014 |
| pH | minimum | ≥ 6 SU | all year | 015 |
| pH | maximum | ≤ 9 SU | all year | 015 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 015 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 015 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 015 |
| Oil & Grease | daily maximum | ≤ 30 mg/L | all year | 015 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 015 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 015 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 016 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 016 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 017 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 017 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 018 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 018 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 019 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 019 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 020 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 020 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 021 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 021 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 022 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 022 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 023 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 023 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 024 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 024 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 025 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 025 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 026 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 026 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 027 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 027 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 028 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 028 |
| pH | minimum | ≥ 6 SU | all year | 030 |
| pH | maximum | ≤ 9 SU | all year | 030 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 030 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 030 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 030 |
| Oil & Grease | daily maximum | ≤ 30 mg/L | all year | 030 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 030 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 030 |
| pH | minimum | ≥ 6 SU | all year | 039 |
| pH | maximum | ≤ 9 SU | all year | 039 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 039 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 039 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 039 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 039 |
| pH | minimum | ≥ 6 SU | all year | 040 |
| pH | maximum | ≤ 9 SU | all year | 040 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 040 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 040 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 040 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 040 |
| pH | minimum | ≥ 6 SU | all year | 041 |
| pH | maximum | ≤ 9 SU | all year | 041 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 041 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 041 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 041 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 041 |
| pH | minimum | ≥ 6 SU | all year | 043 |
| pH | maximum | ≤ 9 SU | all year | 043 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 043 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 043 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 043 |
| Oil & Grease | daily maximum | ≤ 30 mg/L | all year | 043 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 043 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 043 |
| pH | minimum | ≥ 6 SU | all year | 045 |
| pH | maximum | ≤ 9 SU | all year | 045 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 045 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 045 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 045 |
| Oil & Grease | daily maximum | ≤ 30 mg/L | all year | 045 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 045 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 045 |
| pH | minimum | ≥ 6 SU | all year | 046 |
| pH | maximum | ≤ 9 SU | all year | 046 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 046 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 046 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 046 |
| Oil & Grease | daily maximum | ≤ 30 mg/L | all year | 046 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 046 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 046 |
Cited limits by parameter: Virginia's rules and the federal ones.
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