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National Security, Virginia Beach, Virginia. NPDES permit VA0079928, in force until Sep 30, 2031. 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 | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 001 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 001 |
| Precipitation volume | maximum | report only (Mgal) | 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 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | 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 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | all year | 003 |
| pH | minimum | ≥ 6 SU | all year | 006 |
| pH | maximum | ≤ 9 SU | all year | 006 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 006 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 006 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 006 |
| Precipitation volume | maximum | report only (Mgal) | all year | 006 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 008 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 008 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 008 |
| Precipitation volume | maximum | report only (Mgal) | all year | 008 |
| 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 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | all year | 010 |
| pH | minimum | ≥ 6 SU | all year | 033 |
| pH | maximum | ≤ 9 SU | all year | 033 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 033 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 033 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 033 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 033 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 033 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | all year | 033 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 034 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 034 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 034 |
| Precipitation volume | maximum | report only (Mgal) | all year | 034 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 039 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 039 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 039 |
| Precipitation volume | maximum | report only (Mgal) | all year | 039 |
| pH | minimum | ≥ 6 SU | all year | 040 |
| pH | maximum | ≤ 9 SU | all year | 040 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 040 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 040 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 040 |
| Petrol hydrocarbons, total recoverable | maximum | report only (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 | maximum | report only (MGD) | all year | 040 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 044 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 044 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 044 |
| Precipitation volume | maximum | report only (Mgal) | all year | 044 |
| pH | minimum | ≥ 6 SU | all year | 045 |
| pH | maximum | ≤ 9 SU | all year | 045 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 045 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 045 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 045 |
| Petrol hydrocarbons, total recoverable | maximum | report only (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 | maximum | report only (MGD) | all year | 045 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 046 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 046 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 046 |
| Precipitation volume | maximum | report only (Mgal) | all year | 046 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 048 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 048 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 048 |
| Precipitation volume | maximum | report only (Mgal) | all year | 048 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 049 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 049 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 049 |
| Precipitation volume | maximum | report only (Mgal) | all year | 049 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 050 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 050 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 050 |
| Precipitation volume | maximum | report only (Mgal) | all year | 050 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 051 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 051 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 051 |
| Precipitation volume | maximum | report only (Mgal) | all year | 051 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 052 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 052 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 052 |
| Precipitation volume | maximum | report only (Mgal) | all year | 052 |
| pH | minimum | ≥ 6 SU | all year | 067 |
| pH | maximum | ≤ 9 SU | all year | 067 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 067 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 067 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 067 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 067 |
| Flow, in conduit or thru treatment plant | average | report only (MGD) | all year | 067 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | all year | 067 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 068 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 068 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 068 |
| Precipitation volume | maximum | report only (Mgal) | all year | 068 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 761 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 761 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 761 |
| Precipitation volume | maximum | report only (Mgal) | all year | 761 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 762 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 762 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 762 |
| Precipitation volume | maximum | report only (Mgal) | all year | 762 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 763 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 763 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 763 |
| Precipitation volume | maximum | report only (Mgal) | all year | 763 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 777 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 777 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 777 |
| Precipitation volume | maximum | report only (Mgal) | all year | 777 |
| pH | minimum | ≥ 6 SU | all year | 902 |
| pH | maximum | ≤ 9 SU | all year | 902 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 902 |
| Precipitation volume | maximum | report only (Mgal) | all year | 902 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 909 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 909 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 909 |
| Precipitation volume | maximum | report only (Mgal) | all year | 909 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 910 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 910 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 910 |
| Precipitation volume | maximum | report only (Mgal) | all year | 910 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 933 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 933 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 933 |
| Precipitation volume | maximum | report only (Mgal) | all year | 933 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 940 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 940 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 940 |
| Precipitation volume | maximum | report only (Mgal) | all year | 940 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 945 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 945 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 945 |
| Precipitation volume | maximum | report only (Mgal) | all year | 945 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Zinc, total recoverable, maximum outfall 033 | 130 ug/L | new | — | — |
| Zinc, total recoverable, maximum outfall 040 | 130 ug/L | new | — | — |
| Zinc, total recoverable, maximum outfall 045 | 130 ug/L | new | — | — |
Cited limits by parameter: Virginia's rules and the federal ones.
Same industry: the 9 National Security and International Affairs permits in Virginia.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/VA0079928 · MCP: https://passage-data.com/mcp