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Federal facility (National Security), Norfolk, Virginia. NPDES permit VA0004421 expired Jun 30, 2026; its limits still apply. Last 12 months: over a limit once (last December 2025). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit |
|---|---|---|---|
| December 2025 | pH, maximum | 9.5 | ≤ 9 SU |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | maximum | report only (deg C) | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 001 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | all year | 001 |
| pH | minimum | report only (SU) | all year | 003 |
| pH | maximum | report only (SU) | all year | 003 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 003 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 003 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 003 |
| Precipitation volume | event total | report only (Mgal) | all year | 003 |
| pH | minimum | report only (SU) | all year | 008 |
| pH | maximum | report only (SU) | all year | 008 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 008 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 008 |
| Precipitation volume | event total | report only (Mgal) | all year | 008 |
| pH | minimum | report only (SU) | all year | 011 |
| pH | maximum | report only (SU) | all year | 011 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 011 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 011 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 011 |
| Precipitation volume | event total | report only (Mgal) | all year | 011 |
| pH | minimum | report only (SU) | all year | 016 |
| pH | maximum | report only (SU) | all year | 016 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 016 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 016 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 016 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 016 |
| Precipitation volume | event total | report only (Mgal) | all year | 016 |
| pH | minimum | report only (SU) | all year | 017 |
| pH | maximum | report only (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 | event total | report only (Mgal) | all year | 017 |
| pH | minimum | report only (SU) | all year | 023 |
| pH | maximum | report only (SU) | all year | 023 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 023 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 023 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 023 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 023 |
| Precipitation volume | event total | report only (Mgal) | all year | 023 |
| pH | minimum | report only (SU) | all year | 024 |
| pH | maximum | report only (SU) | all year | 024 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 024 |
| Iron, total recoverable | maximum | report only (ug/L) | all year | 024 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 024 |
| Aluminum, total recoverable | maximum | report only (ug/L) | all year | 024 |
| Cadmium, total recoverable | maximum | report only (ug/L) | all year | 024 |
| Lead, total recoverable | maximum | report only (ug/L) | all year | 024 |
| Chromium, total recoverable | maximum | report only (ug/L) | all year | 024 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 024 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 024 |
| Precipitation volume | event total | report only (Mgal) | all year | 024 |
| pH | minimum | report only (SU) | all year | 029 |
| pH | maximum | report only (SU) | all year | 029 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 029 |
| Iron, total recoverable | maximum | report only (ug/L) | all year | 029 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 029 |
| Aluminum, total recoverable | maximum | report only (ug/L) | all year | 029 |
| Cadmium, total recoverable | maximum | report only (ug/L) | all year | 029 |
| Lead, total recoverable | maximum | report only (ug/L) | all year | 029 |
| Chromium, total recoverable | maximum | report only (ug/L) | all year | 029 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 029 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 029 |
| Precipitation volume | event total | report only (Mgal) | all year | 029 |
| pH | minimum | report only (SU) | all year | 031 |
| pH | maximum | report only (SU) | all year | 031 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 031 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 031 |
| Precipitation volume | event total | report only (Mgal) | all year | 031 |
| pH | minimum | report only (SU) | all year | 033 |
| pH | maximum | report only (SU) | all year | 033 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 033 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 033 |
| Precipitation volume | event total | report only (Mgal) | all year | 033 |
| pH | minimum | report only (SU) | all year | 034 |
| pH | maximum | report only (SU) | all year | 034 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 034 |
| Precipitation volume | event total | report only (Mgal) | all year | 034 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 055 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 055 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 055 |
| Precipitation volume | event total | report only (Mgal) | all year | 055 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 058 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 058 |
| Precipitation volume | event total | report only (Mgal) | all year | 058 |
| pH | minimum | report only (SU) | all year | 061 |
| pH | maximum | report only (SU) | all year | 061 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 061 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 061 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 061 |
| Precipitation volume | event total | report only (Mgal) | all year | 061 |
| pH | minimum | report only (SU) | all year | 074 |
| pH | maximum | report only (SU) | all year | 074 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 074 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 074 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 074 |
| Precipitation volume | event total | report only (Mgal) | all year | 074 |
| pH | minimum | report only (SU) | all year | 078 |
| pH | maximum | report only (SU) | all year | 078 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 078 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 078 |
| Precipitation volume | event total | report only (Mgal) | all year | 078 |
| pH | minimum | report only (SU) | all year | 091 |
| pH | maximum | report only (SU) | all year | 091 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 091 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 091 |
| Precipitation volume | event total | report only (Mgal) | all year | 091 |
| pH | minimum | report only (SU) | all year | 094 |
| pH | maximum | report only (SU) | all year | 094 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 094 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 094 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 094 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 094 |
| Precipitation volume | event total | report only (Mgal) | all year | 094 |
| pH | minimum | report only (SU) | all year | 105 |
| pH | maximum | report only (SU) | all year | 105 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 105 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 105 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 105 |
| Precipitation volume | event total | report only (Mgal) | all year | 105 |
| pH | minimum | report only (SU) | all year | 110 |
| pH | maximum | report only (SU) | all year | 110 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 110 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 110 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 110 |
| Precipitation volume | event total | report only (Mgal) | all year | 110 |
| pH | minimum | report only (SU) | all year | 135 |
| pH | maximum | report only (SU) | all year | 135 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 135 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 135 |
| Precipitation volume | event total | report only (Mgal) | all year | 135 |
| pH | minimum | report only (SU) | all year | 149 |
| pH | maximum | report only (SU) | all year | 149 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 149 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 149 |
| Precipitation volume | event total | report only (Mgal) | all year | 149 |
| pH | minimum | report only (SU) | all year | 161 |
| pH | maximum | report only (SU) | all year | 161 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 161 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 161 |
| Precipitation volume | event total | report only (Mgal) | all year | 161 |
| Temperature, water deg. centigrade | maximum | report only (deg C) | all year | 199 |
| pH | minimum | ≥ 6 SU | all year | 199 |
| pH | maximum | ≤ 9 SU | all year | 199 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 199 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 199 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | all year | 199 |
| pH | minimum | report only (SU) | all year | 207 |
| pH | maximum | report only (SU) | all year | 207 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 207 |
| Iron, total recoverable | maximum | report only (ug/L) | all year | 207 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 207 |
| Aluminum, total recoverable | maximum | report only (ug/L) | all year | 207 |
| Cadmium, total recoverable | maximum | report only (ug/L) | all year | 207 |
| Lead, total recoverable | maximum | report only (ug/L) | all year | 207 |
| Chromium, total recoverable | maximum | report only (ug/L) | all year | 207 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 207 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 207 |
| Precipitation volume | event total | report only (Mgal) | all year | 207 |
| pH | minimum | report only (SU) | all year | 208 |
| pH | maximum | report only (SU) | all year | 208 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 208 |
| Iron, total recoverable | maximum | report only (ug/L) | all year | 208 |
| Zinc, total recoverable | maximum | report only (ug/L) | all year | 208 |
| Aluminum, total recoverable | maximum | report only (ug/L) | all year | 208 |
| Cadmium, total recoverable | maximum | report only (ug/L) | all year | 208 |
| Lead, total recoverable | maximum | report only (ug/L) | all year | 208 |
| Chromium, total recoverable | maximum | report only (ug/L) | all year | 208 |
| Copper, total recoverable | maximum | report only (ug/L) | all year | 208 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 208 |
| Precipitation volume | event total | report only (Mgal) | all year | 208 |
| pH | minimum | report only (SU) | all year | 329 |
| pH | maximum | report only (SU) | all year | 329 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 329 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 329 |
| Precipitation volume | event total | report only (Mgal) | all year | 329 |
| pH | minimum | report only (SU) | all year | 331 |
| pH | maximum | report only (SU) | all year | 331 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 331 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 331 |
| Precipitation volume | event total | report only (Mgal) | all year | 331 |
| pH | minimum | report only (SU) | all year | 332 |
| pH | maximum | report only (SU) | all year | 332 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 332 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 332 |
| Precipitation volume | event total | report only (Mgal) | all year | 332 |
| pH | minimum | ≥ 6 SU | all year | 401 |
| pH | maximum | ≤ 9 SU | all year | 401 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 401 |
| Petrol hydrocarbons, total recoverable | maximum | ≤ 30 mg/L | all year | 401 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | all year | 401 |
| pH | minimum | ≥ 6 SU | all year | 404 |
| pH | maximum | ≤ 9 SU | all year | 404 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 404 |
| Petrol hydrocarbons, total recoverable | maximum | ≤ 30 mg/L | all year | 404 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | all year | 404 |
| pH | minimum | report only (SU) | all year | 408 |
| pH | maximum | report only (SU) | all year | 408 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 408 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) | all year | 408 |
| Carbon, tot organic [TOC] | maximum | report only (mg/L) | all year | 408 |
| Cyanide, total [as CN] | maximum | report only (ug/L) | all year | 408 |
| Magnesium, total recoverable | maximum | report only (ug/L) | all year | 408 |
| Arsenic, total recoverable | maximum | report only (ug/L) | all year | 408 |
| Selenium, total recoverable | maximum | report only (ug/L) | all year | 408 |
| Silver total recoverable | maximum | report only (ug/L) | all year | 408 |
| Cadmium, total recoverable | maximum | report only (ug/L) | all year | 408 |
| Lead, total recoverable | maximum | report only (ug/L) | all year | 408 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 408 |
| Precipitation volume | event total | report only (Mgal) | all year | 408 |
| Mercury, total recoverable | maximum | report only (ug/L) | all year | 408 |
| pH | minimum | report only (SU) | all year | 421 |
| pH | maximum | report only (SU) | all year | 421 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 421 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) | all year | 421 |
| Carbon, tot organic [TOC] | maximum | report only (mg/L) | all year | 421 |
| Cyanide, total [as CN] | maximum | report only (ug/L) | all year | 421 |
| Magnesium, total recoverable | maximum | report only (ug/L) | all year | 421 |
| Arsenic, total recoverable | maximum | report only (ug/L) | all year | 421 |
| Selenium, total recoverable | maximum | report only (ug/L) | all year | 421 |
| Silver total recoverable | maximum | report only (ug/L) | all year | 421 |
| Cadmium, total recoverable | maximum | report only (ug/L) | all year | 421 |
| Lead, total recoverable | maximum | report only (ug/L) | all year | 421 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 421 |
| Precipitation volume | event total | report only (Mgal) | all year | 421 |
| Mercury, total recoverable | maximum | report only (ug/L) | all year | 421 |
| pH | minimum | report only (SU) | all year | 425 |
| pH | maximum | report only (SU) | all year | 425 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 425 |
| Petrol hydrocarbons, total recoverable | maximum | report only (mg/L) | all year | 425 |
| Precipitation volume | event total | report only (Mgal) | all year | 425 |
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/VA0004421 · MCP: https://passage-data.com/mcp