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Air Transportation, Scheduled, Newport News, Virginia. NPDES permit VA0089681, in force until Mar 31, 2029. Last 12 months: over a limit 7 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit |
|---|---|---|---|---|
| June 2026 | 001 | pH, minimum | 5.4 | ≥ 6 SU |
| June 2026 | 002 | pH, minimum | 5.8 | ≥ 6 SU |
| June 2026 | 005 | pH, minimum | 5.8 | ≥ 6 SU |
| June 2026 | 010 | pH, minimum | 5.4 | ≥ 6 SU |
| June 2026 | 014 | pH, minimum | 5.8 | ≥ 6 SU |
| June 2026 | 015 | pH, minimum | 5.7 | ≥ 6 SU |
| June 2026 | 020 | pH, minimum | 5.8 | ≥ 6 SU |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 001 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 002 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 002 |
| Precipitation volume | maximum | report only (Mgal) | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 003 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 003 |
| Precipitation volume | maximum | report only (Mgal) | all year | 003 |
| pH | minimum | ≥ 6 SU | all year | 005 |
| pH | maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 005 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 005 |
| Precipitation volume | maximum | report only (Mgal) | all year | 005 |
| pH | minimum | ≥ 6 SU | all year | 009 |
| pH | maximum | ≤ 9 SU | all year | 009 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 009 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 009 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | 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 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 010 |
| Precipitation volume | maximum | report only (Mgal) | all year | 010 |
| pH | minimum | ≥ 6 SU | all year | 011 |
| pH | maximum | ≤ 9 SU | all year | 011 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 011 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 011 |
| Precipitation volume | maximum | report only (Mgal) | all year | 011 |
| 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 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 012 |
| Precipitation volume | maximum | 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 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 013 |
| Precipitation volume | maximum | 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 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 014 |
| Precipitation volume | maximum | 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 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 015 |
| Precipitation volume | maximum | report only (Mgal) | all year | 015 |
| pH | minimum | ≥ 6 SU | all year | 016 |
| pH | maximum | ≤ 9 SU | all year | 016 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 016 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 016 |
| Precipitation volume | maximum | report only (Mgal) | all year | 016 |
| pH | minimum | ≥ 6 SU | all year | 017 |
| pH | maximum | ≤ 9 SU | all year | 017 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 017 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 017 |
| Precipitation volume | maximum | report only (Mgal) | all year | 017 |
| pH | minimum | ≥ 6 SU | all year | 018 |
| pH | maximum | ≤ 9 SU | all year | 018 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 018 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 018 |
| Precipitation volume | maximum | report only (Mgal) | all year | 018 |
| pH | minimum | ≥ 6 SU | all year | 019 |
| pH | maximum | ≤ 9 SU | all year | 019 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 019 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 019 |
| Precipitation volume | maximum | report only (Mgal) | all year | 019 |
| pH | minimum | ≥ 6 SU | all year | 020 |
| pH | maximum | ≤ 9 SU | all year | 020 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 020 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 020 |
| Precipitation volume | maximum | report only (Mgal) | all year | 020 |
| pH | minimum | ≥ 6 SU | all year | 021 |
| pH | maximum | ≤ 9 SU | all year | 021 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 021 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 021 |
| Precipitation volume | maximum | report only (Mgal) | all year | 021 |
| pH | minimum | ≥ 6 SU | all year | 022 |
| pH | maximum | ≤ 9 SU | all year | 022 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 022 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 022 |
| Precipitation volume | maximum | report only (Mgal) | all year | 022 |
| pH | minimum | ≥ 6 SU | all year | 023 |
| pH | maximum | ≤ 9 SU | all year | 023 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 023 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 023 |
| Precipitation volume | maximum | report only (Mgal) | all year | 023 |
Cited limits by parameter: Virginia's rules and the federal ones.
Same industry: the 6 Transportation by Air permits in Virginia.
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