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Water Transportation Services, Norfolk, Virginia. NPDES permit VA0053813, in force until Nov 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | minimum | ≥ 6 SU | all year | 009 |
| pH | maximum | ≤ 9 SU | all year | 009 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 009 |
| Solids, total suspended | maximum | ≤ 60 mg/L | all year | 009 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 009 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 009 |
| Petrol hydrocarbons, total recoverable | monthly average | ≤ 10 mg/L | all year | 009 |
| Petrol hydrocarbons, total recoverable | maximum | ≤ 15 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 | maximum | report only (MGD) | all year | 009 |
| TU Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | maximum | ≤ 1 tox acute | all year | 009 |
| pH | minimum | ≥ 6 SU | all year | 010 |
| pH | maximum | ≤ 9 SU | all year | 010 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 010 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 010 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 010 |
| Precipitation volume | event total | report only (Mgal) | all year | 010 |
| pH | minimum | ≥ 6 SU | all year | 012 |
| pH | maximum | ≤ 9 SU | all year | 012 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 012 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 012 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 012 |
| Precipitation volume | event total | report only (Mgal) | all year | 012 |
| pH | minimum | ≥ 6 SU | all year | 013 |
| pH | maximum | ≤ 9 SU | all year | 013 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 013 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 013 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 013 |
| Precipitation volume | event total | report only (Mgal) | all year | 013 |
| pH | minimum | ≥ 6 SU | all year | 014 |
| pH | maximum | ≤ 9 SU | all year | 014 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 014 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 014 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 014 |
| Precipitation volume | event total | report only (Mgal) | all year | 014 |
| pH | minimum | ≥ 6 SU | all year | 015 |
| pH | maximum | ≤ 9 SU | all year | 015 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 015 |
| Precipitation volume | event total | report only (Mgal) | all year | 015 |
| pH | minimum | ≥ 6 SU | all year | 904 |
| pH | maximum | ≤ 9 SU | all year | 904 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 904 |
| Nitrogen, total [as N] | maximum | report only (mg/L) | all year | 904 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) | all year | 904 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) | all year | 904 |
| Phosphorus, total [as P] | maximum | report only (mg/L) | all year | 904 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 904 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 904 |
| Precipitation volume | event total | report only (Mgal) | all year | 904 |
| pH | minimum | ≥ 6 SU | all year | 908 |
| pH | maximum | ≤ 9 SU | all year | 908 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 908 |
| Nitrogen, total [as N] | maximum | report only (mg/L) | all year | 908 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) | all year | 908 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) | all year | 908 |
| Phosphorus, total [as P] | maximum | report only (mg/L) | all year | 908 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 908 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 908 |
| Precipitation volume | event total | report only (Mgal) | all year | 908 |
| pH | minimum | ≥ 6 SU | all year | 919 |
| pH | maximum | ≤ 9 SU | all year | 919 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 919 |
| Nitrogen, total [as N] | maximum | report only (mg/L) | all year | 919 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) | all year | 919 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) | all year | 919 |
| Phosphorus, total [as P] | maximum | report only (mg/L) | all year | 919 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 919 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 919 |
| Precipitation volume | event total | report only (Mgal) | all year | 919 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Copper, total recoverable, maximum | 32.6 ug/L | new | 17 ug/L (11 values) | 0.521× |
| Zinc, total recoverable, maximum | 130.2 ug/L | new | 59 ug/L (11 values) | 0.453× |
Cited limits by parameter: Virginia's rules and the federal ones.
Same industry: the 7 Water Transportation permits in Virginia.
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Your permit document is the final word. As JSON: /api/v1/permits/VA0053813 · MCP: https://passage-data.com/mcp