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Federal facility (National Security), major discharger, Portsmouth, Virginia. NPDES permit VA0005215 expired Dec 31, 2020; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| 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 |
| Copper, dissolved [as Cu] | maximum | report only (ug/L) | all year | 011 |
| Zinc, dissolved [as Zn] | 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 | 025 |
| pH | maximum | report only (SU) | all year | 025 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 025 |
| Copper, dissolved [as Cu] | maximum | report only (ug/L) | all year | 025 |
| Zinc, dissolved [as Zn] | maximum | report only (ug/L) | all year | 025 |
| Precipitation volume | event total | report only (Mgal) | all year | 025 |
| pH | minimum | report only (SU) | all year | 032 |
| pH | maximum | report only (SU) | all year | 032 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 032 |
| Copper, dissolved [as Cu] | maximum | report only (ug/L) | all year | 032 |
| Zinc, dissolved [as Zn] | maximum | report only (ug/L) | all year | 032 |
| Precipitation volume | event total | report only (Mgal) | all year | 032 |
| 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 |
| Copper, dissolved [as Cu] | maximum | report only (ug/L) | all year | 033 |
| Zinc, dissolved [as Zn] | maximum | report only (ug/L) | all year | 033 |
| Precipitation volume | event total | report only (Mgal) | all year | 033 |
| pH | minimum | report only (SU) | all year | 036 |
| pH | maximum | report only (SU) | all year | 036 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 036 |
| Copper, dissolved [as Cu] | maximum | report only (ug/L) | all year | 036 |
| Zinc, dissolved [as Zn] | maximum | report only (ug/L) | all year | 036 |
| Precipitation volume | event total | report only (Mgal) | all year | 036 |
| 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 |
| Nitrogen, total [as N] | maximum | report only (mg/L) | all year | 040 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) | all year | 040 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) | all year | 040 |
| Phosphorus, total [as P] | maximum | report only (mg/L) | all year | 040 |
| Cyanide, total [as CN] | maximum | report only (ug/L) | all year | 040 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | all year | 040 |
| pH | minimum | report only (SU) | all year | 044 |
| pH | maximum | report only (SU) | all year | 044 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 044 |
| Copper, dissolved [as Cu] | maximum | report only (ug/L) | all year | 044 |
| Zinc, dissolved [as Zn] | maximum | report only (ug/L) | all year | 044 |
| Precipitation volume | event total | report only (Mgal) | all year | 044 |
| Temperature, water deg. centigrade | maximum | ≤ 43 deg C | all year | 056 |
| pH | minimum | ≥ 6 SU | all year | 056 |
| pH | maximum | ≤ 9 SU | all year | 056 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | all year | 056 |
| pH | minimum | report only (SU) | all year | 072 |
| pH | maximum | report only (SU) | all year | 072 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 072 |
| Copper, dissolved [as Cu] | maximum | report only (ug/L) | all year | 072 |
| Zinc, dissolved [as Zn] | maximum | report only (ug/L) | all year | 072 |
| Precipitation volume | event total | report only (Mgal) | all year | 072 |
| pH | minimum | report only (SU) | all year | 082 |
| pH | maximum | report only (SU) | all year | 082 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 082 |
| Copper, dissolved [as Cu] | maximum | report only (ug/L) | all year | 082 |
| Zinc, dissolved [as Zn] | maximum | report only (ug/L) | all year | 082 |
| Precipitation volume | event total | report only (Mgal) | all year | 082 |
| pH | minimum | report only (SU) | all year | 086 |
| pH | maximum | report only (SU) | all year | 086 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 086 |
| Copper, dissolved [as Cu] | maximum | report only (ug/L) | all year | 086 |
| Zinc, dissolved [as Zn] | maximum | report only (ug/L) | all year | 086 |
| Precipitation volume | event total | report only (Mgal) | all year | 086 |
| pH | minimum | report only (SU) | all year | 092 |
| pH | maximum | report only (SU) | all year | 092 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 092 |
| Copper, dissolved [as Cu] | maximum | report only (ug/L) | all year | 092 |
| Zinc, dissolved [as Zn] | maximum | report only (ug/L) | all year | 092 |
| Precipitation volume | event total | report only (Mgal) | all year | 092 |
| 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 |
| Copper, dissolved [as Cu] | maximum | report only (ug/L) | all year | 094 |
| Zinc, dissolved [as Zn] | maximum | report only (ug/L) | all year | 094 |
| Precipitation volume | event total | report only (Mgal) | all year | 094 |
| pH | minimum | ≥ 6 SU | all year | 100 |
| pH | maximum | ≤ 9 SU | all year | 100 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 100 |
| Nitrogen, total [as N] | maximum | report only (mg/L) | all year | 100 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) | all year | 100 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) | all year | 100 |
| Phosphorus, total [as P] | maximum | report only (mg/L) | all year | 100 |
| Copper, total [as Cu] | maximum | report only (ug/L) | all year | 100 |
| Zinc, total [as Zn] | maximum | report only (ug/L) | all year | 100 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | all year | 100 |
| Enterococci | maximum | report only (#/100mL) | all year | 100 |
| pH | minimum | ≥ 6 SU | all year | 103 |
| pH | maximum | ≤ 9 SU | all year | 103 |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 103 |
| Solids, total suspended | maximum | ≤ 60 mg/L | all year | 103 |
| Copper, dissolved [as Cu] | maximum | report only (ug/L) | all year | 103 |
| Copper, total [as Cu] | maximum | report only (ug/L) | all year | 103 |
| Zinc, dissolved [as Zn] | maximum | report only (ug/L) | all year | 103 |
| Zinc, total [as Zn] | maximum | report only (ug/L) | all year | 103 |
| Tributyltin | maximum | ≤ .05 ug/L | all year | 103 |
| Petrol hydrocarbons, total recoverable | average | ≤ 10 mg/L | all year | 103 |
| Petrol hydrocarbons, total recoverable | maximum | ≤ 15 mg/L | all year | 103 |
| Flow, in conduit or thru treatment plant | average | report only (MGD) | all year | 103 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | all year | 103 |
| pH | minimum | ≥ 6 SU | all year | 200 |
| pH | maximum | ≤ 9 SU | all year | 200 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 200 |
| Nitrogen, total [as N] | maximum | report only (mg/L) | all year | 200 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) | all year | 200 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) | all year | 200 |
| Phosphorus, total [as P] | maximum | report only (mg/L) | all year | 200 |
| Cadmium, total [as Cd] | maximum | ≤ 100 ug/L | all year | 200 |
| Chromium, total [as Cr] | maximum | ≤ 100 ug/L | all year | 200 |
| Copper, total [as Cu] | maximum | ≤ 335 ug/L | all year | 200 |
| Lead, total [as Pb] | maximum | ≤ 100 ug/L | all year | 200 |
| Zinc, total [as Zn] | maximum | ≤ 765 ug/L | all year | 200 |
| Tributyltin | maximum | ≤ .05 ug/L | all year | 200 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | all year | 200 |
| Chlorine, total residual | maximum | ≤ .17 mg/L | all year | 200 |
| pH | minimum | ≥ 6 SU | all year | 400 |
| pH | maximum | ≤ 9 SU | all year | 400 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 400 |
| Nitrogen, total [as N] | maximum | report only (mg/L) | all year | 400 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) | all year | 400 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) | all year | 400 |
| Phosphorus, total [as P] | maximum | report only (mg/L) | all year | 400 |
| Cadmium, total [as Cd] | maximum | ≤ 100 ug/L | all year | 400 |
| Chromium, total [as Cr] | maximum | ≤ 100 ug/L | all year | 400 |
| Copper, total [as Cu] | maximum | ≤ 335 ug/L | all year | 400 |
| Lead, total [as Pb] | maximum | ≤ 100 ug/L | all year | 400 |
| Zinc, total [as Zn] | maximum | ≤ 765 ug/L | all year | 400 |
| Tributyltin | maximum | ≤ .05 ug/L | all year | 400 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | all year | 400 |
| Chlorine, total residual | maximum | ≤ .18 mg/L | all year | 400 |
| Enterococci | maximum | report only (#/100mL) | all year | 400 |
| Temperature, water deg. centigrade | maximum | ≤ 35 deg C | all year | 401 |
| pH | minimum | ≥ 6 SU | all year | 401 |
| pH | maximum | ≤ 9 SU | all year | 401 |
| Solids, total suspended | average | ≤ 31 mg/L | all year | 401 |
| Solids, total suspended | maximum | ≤ 60 mg/L | all year | 401 |
| Cyanide, total [as CN] | average | ≤ .65 mg/L | all year | 401 |
| Cyanide, total [as CN] | maximum | ≤ 1.2 mg/L | all year | 401 |
| Cadmium, total [as Cd] | average | ≤ .26 mg/L | all year | 401 |
| Cadmium, total [as Cd] | maximum | ≤ .69 mg/L | all year | 401 |
| Chromium, total [as Cr] | average | ≤ 1.71 mg/L | all year | 401 |
| Chromium, total [as Cr] | maximum | ≤ 2.77 mg/L | all year | 401 |
| Copper, total [as Cu] | average | ≤ 2.07 mg/L | all year | 401 |
| Copper, total [as Cu] | maximum | ≤ 3.38 mg/L | all year | 401 |
| Lead, total [as Pb] | average | ≤ .43 mg/L | all year | 401 |
| Lead, total [as Pb] | maximum | ≤ .69 mg/L | all year | 401 |
| Nickel, total [as Ni] | average | ≤ 2.38 mg/L | all year | 401 |
| Nickel, total [as Ni] | maximum | ≤ 3.98 mg/L | all year | 401 |
| Silver, total [as Ag] | average | ≤ .24 mg/L | all year | 401 |
| Silver, total [as Ag] | maximum | ≤ .43 mg/L | all year | 401 |
| Zinc, total [as Zn] | average | ≤ 1.48 mg/L | all year | 401 |
| Zinc, total [as Zn] | maximum | ≤ 2.61 mg/L | all year | 401 |
| Chromium, hexavalent dissolved [as Cr] | average | ≤ .05 mg/L | all year | 401 |
| Chromium, hexavalent dissolved [as Cr] | maximum | ≤ 1 mg/L | all year | 401 |
| Petrol hydrocarbons, total recoverable | average | ≤ 26 mg/L | all year | 401 |
| Petrol hydrocarbons, total recoverable | maximum | ≤ 52 mg/L | all year | 401 |
| Flow, in conduit or thru treatment plant | average | report only (MGD) | all year | 401 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | all year | 401 |
| Toxicity, final conc toxicity units | maximum | ≤ 5.71 tox acute | all year | 401 |
| Organics, total toxic [TTO] | maximum | ≤ 2.13 mg/L | all year | 401 |
| pH | minimum | ≥ 6 SU | all year | 500 |
| pH | maximum | ≤ 9 SU | all year | 500 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 500 |
| Nitrogen, total [as N] | maximum | report only (mg/L) | all year | 500 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) | all year | 500 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) | all year | 500 |
| Phosphorus, total [as P] | maximum | report only (mg/L) | all year | 500 |
| Cadmium, total [as Cd] | maximum | ≤ 100 ug/L | all year | 500 |
| Chromium, total [as Cr] | maximum | ≤ 100 ug/L | all year | 500 |
| Copper, total [as Cu] | maximum | ≤ 335 ug/L | all year | 500 |
| Lead, total [as Pb] | maximum | ≤ 100 ug/L | all year | 500 |
| Zinc, total [as Zn] | maximum | ≤ 765 ug/L | all year | 500 |
| Tributyltin | maximum | ≤ .05 ug/L | all year | 500 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | all year | 500 |
| Chlorine, total residual | maximum | ≤ .17 mg/L | all year | 500 |
| Enterococci | maximum | report only (#/100mL) | all year | 500 |
| pH | minimum | report only (SU) | all year | 600 |
| pH | maximum | report only (SU) | all year | 600 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 600 |
| Copper, dissolved [as Cu] | maximum | report only (ug/L) | all year | 600 |
| Zinc, dissolved [as Zn] | maximum | report only (ug/L) | all year | 600 |
| Precipitation volume | event total | report only (Mgal) | all year | 600 |
| pH | minimum | report only (SU) | all year | 940 |
| pH | maximum | report only (SU) | all year | 940 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 940 |
| Copper, dissolved [as Cu] | maximum | report only (ug/L) | all year | 940 |
| Zinc, dissolved [as Zn] | maximum | report only (ug/L) | all year | 940 |
| Precipitation volume | event total | report only (Mgal) | all year | 940 |
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/VA0005215 · MCP: https://passage-data.com/mcp