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Federal facility (National Security), San Antonio, Texas. NPDES permit TX0116114, in force until Jul 24, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | daily average | ≤ 9 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 25 mg/L | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily average | ≤ 150 mg/L | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 300 mg/L | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | daily average | ≤ 10 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 25 mg/L | all year | 001 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 001 |
| Arsenic, total [as As] | daily average | ≤ .348 mg/L | all year | 001 |
| Arsenic, total [as As] | daily maximum | ≤ .737 mg/L | all year | 001 |
| Chromium, hexavalent [as Cr] | daily average | ≤ .014 mg/L | all year | 001 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ .029 mg/L | all year | 001 |
| Lead, total [as Pb] | daily average | ≤ .064 mg/L | all year | 001 |
| Lead, total [as Pb] | daily maximum | ≤ .134 mg/L | all year | 001 |
| Thallium, total [as Tl] | daily average | ≤ .0024 mg/L | all year | 001 |
| Thallium, total [as Tl] | daily maximum | ≤ .0052 mg/L | all year | 001 |
| Antimony, total [as Sb] | daily maximum | report only (mg/L) | all year | 001 |
| Carbon tetrachloride | daily average | ≤ .0481 mg/L | all year | 001 |
| Carbon tetrachloride | daily maximum | ≤ .101 mg/L | all year | 001 |
| 1,2-Dichloroethane | daily average | ≤ .01 mg/L | all year | 001 |
| 1,2-Dichloroethane | daily maximum | ≤ .011 mg/L | all year | 001 |
| Toluene | daily average | ≤ .028 mg/L | all year | 001 |
| Toluene | daily maximum | ≤ .074 mg/L | all year | 001 |
| Benzene | daily average | ≤ .01 mg/L | all year | 001 |
| Benzene | daily maximum | ≤ .011 mg/L | all year | 001 |
| Anthracene | daily average | ≤ .00013 mg/L | all year | 001 |
| Anthracene | daily maximum | ≤ .0003 mg/L | all year | 001 |
| Bis[2-chloroethyl] ether | daily maximum | report only (mg/L) | all year | 001 |
| Chlorobenzene | daily average | ≤ .05 mg/L | all year | 001 |
| Chlorobenzene | daily maximum | ≤ .05 mg/L | all year | 001 |
| Methylene chloride | daily average | ≤ .036 mg/L | all year | 001 |
| Methylene chloride | daily maximum | ≤ .089 mg/L | all year | 001 |
| Tetrachloroethylene | daily average | ≤ .027 mg/L | all year | 001 |
| Tetrachloroethylene | daily maximum | ≤ .054 mg/L | all year | 001 |
| 1,1-Dichloroethylene | daily average | ≤ .01 mg/L | all year | 001 |
| 1,1-Dichloroethylene | daily maximum | ≤ .016 mg/L | all year | 001 |
| 1,1,2-Trichloroethane | daily maximum | report only (mg/L) | all year | 001 |
| 1,2-Dichlorobenzene | daily average | ≤ .05 mg/L | all year | 001 |
| 1,2-Dichlorobenzene | daily maximum | ≤ .106 mg/L | all year | 001 |
| 1,2-Dichloropropane | daily maximum | report only (mg/L) | all year | 001 |
| 1,3-Dichlorobenzene | daily average | ≤ .044 mg/L | all year | 001 |
| 1,3-Dichlorobenzene | daily maximum | ≤ .044 mg/L | all year | 001 |
| 1,4-Dichlorobenzene | daily maximum | ≤ .028 mg/L | all year | 001 |
| 1,2-Dichloroethene | daily average | ≤ .025 mg/L | all year | 001 |
| 1,2-Dichloroethene | daily maximum | ≤ .054 mg/L | all year | 001 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily average | ≤ .015 mg/L | all year | 001 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | ≤ .031 mg/L | all year | 001 |
| Vinyl chloride | daily average | ≤ .0047 mg/L | all year | 001 |
| Vinyl chloride | daily maximum | ≤ .0099 mg/L | all year | 001 |
| Trichloroethylene | daily average | ≤ .01 mg/L | all year | 001 |
| Trichloroethylene | daily maximum | ≤ .011 mg/L | all year | 001 |
| Flow, in conduit or thru treatment plant | daily average | ≤ 1 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 1.5 MGD | all year | 001 |
| 2-Methylnaphthalene | daily average | ≤ .027 mg/L | all year | 001 |
| 2-Methylnaphthalene | daily maximum | ≤ .058 mg/L | all year | 001 |
| Ethylene dibromide | daily average | ≤ .0003 mg/L | all year | 001 |
| Ethylene dibromide | daily maximum | ≤ .0006 mg/L | all year | 001 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | single sample | report only (pass=0;fail=1) | all year | TXA |
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | single sample | report only (pass=0;fail=1) | all year | TXA |
Cited limits by parameter: Texas's rules and the federal ones.
Same industry: the 5 National Security and International Affairs permits in Texas.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/TX0116114 · MCP: https://passage-data.com/mcp