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Gas Transmission And Distribution, Houston, Texas. NPDES permit TX0134078, in force until Jan 16, 2031. Last 12 months: over a limit 40 times (last August 2026), 48 required values missing, 14 of 123 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| October 2025 | 001 | Oxygen demand, chem. [high level] [COD], daily maximum | 135 mg/L | ≤ 100 mg/L | 35% |
| November 2025 | 001 | Oxygen demand, chem. [high level] [COD], daily maximum | 120 mg/L | ≤ 100 mg/L | 20% |
| November 2025 | 005 | Oxygen demand, chem. [high level] [COD], daily maximum | 134 mg/L | ≤ 100 mg/L | 34% |
| December 2025 | 001 | Oxygen demand, chem. [high level] [COD], daily maximum | 110 mg/L | ≤ 100 mg/L | 10% |
| January 2026 | 002 | Oil & Grease, monthly average | 12.4 mg/L | ≤ 10 mg/L | 24% |
| January 2026 | 004 | Oil & Grease, daily maximum | 20.8 mg/L | ≤ 15 mg/L | 39% |
| January 2026 | 004 | Oil & Grease, monthly average | 12.8 mg/L | ≤ 10 mg/L | 28% |
| February 2026 | 001 | Oxygen, dissolved [DO], daily average | 8.78 mg/L | ≤ 5 mg/L | 76% |
| February 2026 | 001 | Oxygen, dissolved [DO], daily average | 8.78 mg/L | ≤ 5 mg/L | 76% |
| February 2026 | 002 | Oxygen, dissolved [DO], daily average | 9.035 mg/L | ≤ 5 mg/L | 81% |
| February 2026 | 002 | Oxygen, dissolved [DO], daily average | 9.035 mg/L | ≤ 5 mg/L | 81% |
| February 2026 | 003 | Oxygen, dissolved [DO], daily average | 7.825 mg/L | ≤ 5 mg/L | 57% |
| February 2026 | 003 | Oxygen, dissolved [DO], daily average | 7.825 mg/L | ≤ 5 mg/L | 57% |
| February 2026 | 004 | Oxygen, dissolved [DO], daily average | 8.34 mg/L | ≤ 5 mg/L | 67% |
| February 2026 | 005 | Oxygen, dissolved [DO], daily average | 8.92 mg/L | ≤ 5 mg/L | 78% |
| February 2026 | 005 | Oxygen, dissolved [DO], daily average | 8.92 mg/L | ≤ 5 mg/L | 78% |
| February 2026 | 007 | Oil & Grease, daily average | 11.65 mg/L | ≤ 10 mg/L | 17% |
| February 2026 | 007 | Oxygen, dissolved [DO], daily average | 9.14 mg/L | ≤ 5 mg/L | 83% |
| March 2026 | 001 | Oxygen, dissolved [DO], daily average | 9.02 mg/L | ≤ 5.5 mg/L | 64% |
| March 2026 | 002 | Oxygen, dissolved [DO], daily average | 8.18 mg/L | ≤ 5.5 mg/L | 49% |
| March 2026 | 003 | Oxygen, dissolved [DO], daily average | 9.415 mg/L | ≤ 5.5 mg/L | 71% |
| March 2026 | 004 | Oxygen, dissolved [DO], daily average | 9.975 mg/L | ≤ 5.5 mg/L | 81% |
| March 2026 | 005 | Oxygen, dissolved [DO], daily average | 10.95 mg/L | ≤ 5.5 mg/L | 99% |
| March 2026 | 007 | Oxygen, dissolved [DO], daily average | 8.685 mg/L | ≤ 5.5 mg/L | 58% |
| April 2026 | 001 | Oxygen, dissolved [DO], daily average | 8.51 mg/L | ≤ 5.5 mg/L | 55% |
| April 2026 | 002 | Oxygen, dissolved [DO], daily average | 8.845 mg/L | ≤ 5.5 mg/L | 61% |
| April 2026 | 005 | Oxygen, dissolved [DO], daily average | 9.07 mg/L | ≤ 5.5 mg/L | 65% |
| May 2026 | 001 | Oxygen, dissolved [DO], daily average | 7.88 mg/L | ≤ 5.5 mg/L | 43% |
| May 2026 | 002 | Oxygen, dissolved [DO], daily average | 7.47 mg/L | ≤ 5.5 mg/L | 36% |
| May 2026 | 005 | Oil & Grease, daily average | 13.6 mg/L | ≤ 10 mg/L | 36% |
| May 2026 | 005 | Oxygen, dissolved [DO], daily average | 7.775 mg/L | ≤ 5.5 mg/L | 41% |
| June 2026 | 001 | Oxygen, dissolved [DO], daily average | 7.925 mg/L | ≤ 5.5 mg/L | 44% |
| June 2026 | 002 | Oxygen, dissolved [DO], daily average | 8.47 mg/L | ≤ 5.5 mg/L | 54% |
| June 2026 | 005 | Oxygen, dissolved [DO], daily average | 8.365 mg/L | ≤ 5.5 mg/L | 52% |
| July 2026 | 001 | Oil & Grease, daily average | 16.4 mg/L | ≤ 10 mg/L | 64% |
| July 2026 | 001 | Oil & Grease, daily maximum | 16.4 mg/L | ≤ 15 mg/L | 9% |
| July 2026 | 001 | Oxygen, dissolved [DO], daily average | 8.28 mg/L | ≤ 5 mg/L | 66% |
| July 2026 | 002 | Oxygen, dissolved [DO], daily average | 8.31 mg/L | ≤ 5 mg/L | 66% |
| July 2026 | 005 | Oxygen, dissolved [DO], daily average | 8.07 mg/L | ≤ 5 mg/L | 61% |
| August 2026 | 002 | Oxygen, dissolved [DO], daily average | 8.45 mg/L | ≤ 5 mg/L | 69% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | daily average | ≤ 5 mg/L | Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec | 001 |
| Oxygen, dissolved [DO] | daily average | ≤ 5.5 mg/L | Mar–Jun | 001 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 100 mg/L | all year | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Oil & Grease | daily average | ≤ 10 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 001 |
| Chloride [as Cl] | daily average | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | daily average | report only (lb/d) | all year | 001 |
| Chloride [as Cl] | daily maximum | report only (lb/d) | all year | 001 |
| Sulfate, total [as SO4] | daily average | report only (mg/L) | all year | 001 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 001 |
| Sulfate, total [as SO4] | daily average | report only (lb/d) | all year | 001 |
| Sulfate, total [as SO4] | daily maximum | report only (lb/d) | all year | 001 |
| Aluminum, total [as Al] | daily average | ≤ .835 mg/L | all year | 001 |
| Aluminum, total [as Al] | daily maximum | ≤ 1.766 mg/L | all year | 001 |
| Radium 226, total | daily maximum | report only (pCi/L) | all year | 001 |
| Radium 228, total | daily maximum | report only (pCi/L) | all year | 001 |
| Radium 226 + radium 228, total | daily maximum | report only (pCi/L) | all year | 001 |
| Benzene, ethylbenzene, toluene, xylene combination | daily maximum | report only (mg/L) | all year | 001 |
| Benzene | daily maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily average | ≤ .328 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .489 MGD | all year | 001 |
| Alpha, gross adjusted | daily maximum | report only (pCi/L) | all year | 001 |
| Solids, total dissolved | daily average | report only (mg/L) | all year | 001 |
| Solids, total dissolved | daily maximum | ≤ 3000 mg/L | all year | 001 |
| Solids, total dissolved | daily average | report only (lb/d) | all year | 001 |
| Solids, total dissolved | daily maximum | report only (lb/d) | all year | 001 |
| Hydrocarbons, total petroleum | daily maximum | report only (mg/L) | all year | 001 |
| Oxygen, dissolved [DO] | daily average | ≤ 5 mg/L | Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec | 002 |
| Oxygen, dissolved [DO] | daily average | ≤ 5.5 mg/L | Mar–Jun | 002 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 100 mg/L | all year | 002 |
| pH | minimum | ≥ 6.5 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Oil & Grease | daily average | ≤ 10 mg/L | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Chloride [as Cl] | daily average | report only (mg/L) | all year | 002 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 002 |
| Chloride [as Cl] | daily average | report only (lb/d) | all year | 002 |
| Chloride [as Cl] | daily maximum | report only (lb/d) | all year | 002 |
| Sulfate, total [as SO4] | daily average | report only (mg/L) | all year | 002 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 002 |
| Sulfate, total [as SO4] | daily average | report only (lb/d) | all year | 002 |
| Sulfate, total [as SO4] | daily maximum | report only (lb/d) | all year | 002 |
| Aluminum, total [as Al] | daily average | report only (mg/L) | all year | 002 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 002 |
| Radium 226, total | daily maximum | report only (pCi/L) | all year | 002 |
| Radium 228, total | daily maximum | report only (pCi/L) | all year | 002 |
| Radium 226 + radium 228, total | daily maximum | report only (pCi/L) | all year | 002 |
| Benzene, ethylbenzene, toluene, xylene combination | daily maximum | report only (mg/L) | all year | 002 |
| Benzene | daily maximum | report only (mg/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily average | ≤ .063 MGD | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .092 MGD | all year | 002 |
| Alpha, gross adjusted | daily maximum | report only (pCi/L) | all year | 002 |
| Solids, total dissolved | daily average | report only (mg/L) | all year | 002 |
| Solids, total dissolved | daily maximum | ≤ 3000 mg/L | all year | 002 |
| Solids, total dissolved | daily average | report only (lb/d) | all year | 002 |
| Solids, total dissolved | daily maximum | report only (lb/d) | all year | 002 |
| Hydrocarbons, total petroleum | daily maximum | report only (mg/L) | all year | 002 |
| Oxygen, dissolved [DO] | daily average | ≤ 5.5 mg/L | Mar–Jun | 003 |
| Oxygen, dissolved [DO] | daily average | ≤ 5 mg/L | Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec | 003 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 100 mg/L | all year | 003 |
| pH | minimum | ≥ 6.5 SU | all year | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| Oil & Grease | daily average | ≤ 10 mg/L | all year | 003 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 003 |
| Chloride [as Cl] | daily average | report only (mg/L) | all year | 003 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 003 |
| Chloride [as Cl] | daily average | report only (lb/d) | all year | 003 |
| Chloride [as Cl] | daily maximum | report only (lb/d) | all year | 003 |
| Sulfate, total [as SO4] | daily average | report only (mg/L) | all year | 003 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 003 |
| Sulfate, total [as SO4] | daily average | report only (lb/d) | all year | 003 |
| Sulfate, total [as SO4] | daily maximum | report only (lb/d) | all year | 003 |
| Radium 226, total | daily maximum | report only (pCi/L) | all year | 003 |
| Radium 228, total | daily maximum | report only (pCi/L) | all year | 003 |
| Radium 226 + radium 228, total | daily maximum | report only (pCi/L) | all year | 003 |
| Benzene, ethylbenzene, toluene, xylene combination | daily maximum | report only (mg/L) | all year | 003 |
| Benzene | daily maximum | report only (mg/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily average | ≤ .063 MGD | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .092 MGD | all year | 003 |
| Alpha, gross adjusted | daily maximum | report only (pCi/L) | all year | 003 |
| Solids, total dissolved | daily average | report only (mg/L) | all year | 003 |
| Solids, total dissolved | daily maximum | ≤ 3000 mg/L | all year | 003 |
| Solids, total dissolved | daily average | report only (lb/d) | all year | 003 |
| Solids, total dissolved | daily maximum | report only (lb/d) | all year | 003 |
| Hydrocarbons, total petroleum | daily maximum | report only (mg/L) | all year | 003 |
| Oxygen, dissolved [DO] | daily average | ≤ 5 mg/L | Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec | 004 |
| Oxygen, dissolved [DO] | daily average | ≤ 5.5 mg/L | Mar–Jun | 004 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 100 mg/L | all year | 004 |
| pH | minimum | ≥ 6 SU | all year | 004 |
| pH | maximum | ≤ 9 SU | all year | 004 |
| Oil & Grease | daily average | ≤ 10 mg/L | all year | 004 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 004 |
| Chloride [as Cl] | daily average | report only (mg/L) | all year | 004 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 004 |
| Chloride [as Cl] | daily average | report only (lb/d) | all year | 004 |
| Chloride [as Cl] | daily maximum | report only (lb/d) | all year | 004 |
| Sulfate, total [as SO4] | daily average | report only (mg/L) | all year | 004 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 004 |
| Sulfate, total [as SO4] | daily average | report only (lb/d) | all year | 004 |
| Sulfate, total [as SO4] | daily maximum | report only (lb/d) | all year | 004 |
| Radium 226, total | daily maximum | report only (pCi/L) | all year | 004 |
| Radium 228, total | daily maximum | report only (pCi/L) | all year | 004 |
| Radium 226 + radium 228, total | daily maximum | report only (pCi/L) | all year | 004 |
| Benzene, ethylbenzene, toluene, xylene combination | daily maximum | report only (mg/L) | all year | 004 |
| Benzene | daily maximum | report only (mg/L) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily average | ≤ .034 MGD | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .063 MGD | all year | 004 |
| Alpha, gross adjusted | daily maximum | report only (pCi/L) | all year | 004 |
| Solids, total dissolved | daily average | report only (mg/L) | all year | 004 |
| Solids, total dissolved | daily maximum | ≤ 3000 mg/L | all year | 004 |
| Solids, total dissolved | daily average | report only (lb/d) | all year | 004 |
| Solids, total dissolved | daily maximum | report only (lb/d) | all year | 004 |
| Hydrocarbons, total petroleum | daily maximum | report only (mg/L) | all year | 004 |
| Oxygen, dissolved [DO] | daily average | ≤ 5 mg/L | Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec | 005 |
| Oxygen, dissolved [DO] | daily average | ≤ 5.5 mg/L | Mar–Jun | 005 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 100 mg/L | all year | 005 |
| pH | minimum | ≥ 6 SU | all year | 005 |
| pH | maximum | ≤ 9 SU | all year | 005 |
| Oil & Grease | daily average | ≤ 10 mg/L | all year | 005 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 005 |
| Chloride [as Cl] | daily average | report only (mg/L) | all year | 005 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 005 |
| Chloride [as Cl] | daily average | report only (lb/d) | all year | 005 |
| Chloride [as Cl] | daily maximum | report only (lb/d) | all year | 005 |
| Sulfate, total [as SO4] | daily average | report only (mg/L) | all year | 005 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 005 |
| Sulfate, total [as SO4] | daily average | report only (lb/d) | all year | 005 |
| Sulfate, total [as SO4] | daily maximum | report only (lb/d) | all year | 005 |
| Radium 226, total | daily maximum | report only (pCi/L) | all year | 005 |
| Radium 228, total | daily maximum | report only (pCi/L) | all year | 005 |
| Radium 226 + radium 228, total | daily maximum | report only (pCi/L) | all year | 005 |
| Benzene, ethylbenzene, toluene, xylene combination | daily maximum | report only (mg/L) | all year | 005 |
| Benzene | daily maximum | report only (mg/L) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily average | ≤ .084 MGD | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .11 MGD | all year | 005 |
| Alpha, gross adjusted | daily maximum | report only (pCi/L) | all year | 005 |
| Solids, total dissolved | daily average | report only (mg/L) | all year | 005 |
| Solids, total dissolved | daily maximum | ≤ 3000 mg/L | all year | 005 |
| Solids, total dissolved | daily average | report only (lb/d) | all year | 005 |
| Solids, total dissolved | daily maximum | report only (lb/d) | all year | 005 |
| Hydrocarbons, total petroleum | daily maximum | report only (mg/L) | all year | 005 |
| Oxygen, dissolved [DO] | daily average | ≤ 5 mg/L | Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec | 006 |
| Oxygen, dissolved [DO] | daily average | ≤ 5.5 mg/L | Mar–Jun | 006 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 100 mg/L | all year | 006 |
| pH | minimum | ≥ 6 SU | all year | 006 |
| pH | maximum | ≤ 9 SU | all year | 006 |
| Oil & Grease | daily average | ≤ 10 mg/L | all year | 006 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 006 |
| Chloride [as Cl] | daily average | report only (mg/L) | all year | 006 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 006 |
| Chloride [as Cl] | daily average | report only (lb/d) | all year | 006 |
| Chloride [as Cl] | daily maximum | report only (lb/d) | all year | 006 |
| Sulfate, total [as SO4] | daily average | report only (mg/L) | all year | 006 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 006 |
| Sulfate, total [as SO4] | daily average | report only (lb/d) | all year | 006 |
| Sulfate, total [as SO4] | daily maximum | report only (lb/d) | all year | 006 |
| Radium 226, total | daily maximum | report only (pCi/L) | all year | 006 |
| Radium 228, total | daily maximum | report only (pCi/L) | all year | 006 |
| Radium 226 + radium 228, total | daily maximum | report only (pCi/L) | all year | 006 |
| Benzene, ethylbenzene, toluene, xylene combination | daily maximum | report only (mg/L) | all year | 006 |
| Benzene | daily maximum | report only (mg/L) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily average | ≤ .032 MGD | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .063 MGD | all year | 006 |
| Alpha, gross adjusted | daily maximum | report only (pCi/L) | all year | 006 |
| Solids, total dissolved | daily average | report only (mg/L) | all year | 006 |
| Solids, total dissolved | daily maximum | ≤ 3000 mg/L | all year | 006 |
| Solids, total dissolved | daily average | report only (lb/d) | all year | 006 |
| Solids, total dissolved | daily maximum | report only (lb/d) | all year | 006 |
| Hydrocarbons, total petroleum | daily maximum | report only (mg/L) | all year | 006 |
| Oxygen, dissolved [DO] | daily average | ≤ 5 mg/L | Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec | 007 |
| Oxygen, dissolved [DO] | daily average | ≤ 5.5 mg/L | Mar–Jun | 007 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 100 mg/L | all year | 007 |
| pH | minimum | ≥ 6 SU | all year | 007 |
| pH | maximum | ≤ 9 SU | all year | 007 |
| Oil & Grease | daily average | ≤ 10 mg/L | all year | 007 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 007 |
| Chloride [as Cl] | daily average | report only (mg/L) | all year | 007 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 007 |
| Chloride [as Cl] | daily average | report only (lb/d) | all year | 007 |
| Chloride [as Cl] | daily maximum | report only (lb/d) | all year | 007 |
| Sulfate, total [as SO4] | daily average | report only (mg/L) | all year | 007 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 007 |
| Sulfate, total [as SO4] | daily average | report only (lb/d) | all year | 007 |
| Sulfate, total [as SO4] | daily maximum | report only (lb/d) | all year | 007 |
| Radium 226, total | daily maximum | report only (pCi/L) | all year | 007 |
| Radium 228, total | daily maximum | report only (pCi/L) | all year | 007 |
| Radium 226 + radium 228, total | daily maximum | report only (pCi/L) | all year | 007 |
| Benzene, ethylbenzene, toluene, xylene combination | daily maximum | report only (mg/L) | all year | 007 |
| Benzene | daily maximum | report only (mg/L) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily average | ≤ .084 MGD | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .11 MGD | all year | 007 |
| Alpha, gross adjusted | daily maximum | report only (pCi/L) | all year | 007 |
| Solids, total dissolved | daily average | report only (mg/L) | all year | 007 |
| Solids, total dissolved | daily maximum | ≤ 3000 mg/L | all year | 007 |
| Solids, total dissolved | daily average | report only (lb/d) | all year | 007 |
| Solids, total dissolved | daily maximum | report only (lb/d) | all year | 007 |
| Hydrocarbons, total petroleum | daily maximum | report only (mg/L) | all year | 007 |
| Oxygen, dissolved [DO] | daily average | ≤ 5 mg/L | Jan, Feb, Jul, Aug, Sep, Oct, Nov, Dec | 008 |
| Oxygen, dissolved [DO] | daily average | ≤ 5.5 mg/L | Mar–Jun | 008 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 100 mg/L | all year | 008 |
| pH | minimum | ≥ 6 SU | all year | 008 |
| pH | maximum | ≤ 9 SU | all year | 008 |
| Oil & Grease | daily average | ≤ 10 mg/L | all year | 008 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 008 |
| Chloride [as Cl] | daily average | report only (mg/L) | all year | 008 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 008 |
| Chloride [as Cl] | daily average | report only (lb/d) | all year | 008 |
| Chloride [as Cl] | daily maximum | report only (lb/d) | all year | 008 |
| Sulfate, total [as SO4] | daily average | report only (mg/L) | all year | 008 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 008 |
| Sulfate, total [as SO4] | daily average | report only (lb/d) | all year | 008 |
| Sulfate, total [as SO4] | daily maximum | report only (lb/d) | all year | 008 |
| Radium 226, total | daily maximum | report only (pCi/L) | all year | 008 |
| Radium 228, total | daily maximum | report only (pCi/L) | all year | 008 |
| Radium 226 + radium 228, total | daily maximum | report only (pCi/L) | all year | 008 |
| Benzene, ethylbenzene, toluene, xylene combination | daily maximum | report only (mg/L) | all year | 008 |
| Benzene | daily maximum | report only (mg/L) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily average | ≤ .042 MGD | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .076 MGD | all year | 008 |
| Alpha, gross adjusted | daily maximum | report only (pCi/L) | all year | 008 |
| Solids, total dissolved | daily average | report only (mg/L) | all year | 008 |
| Solids, total dissolved | daily maximum | ≤ 3000 mg/L | all year | 008 |
| Solids, total dissolved | daily average | report only (lb/d) | all year | 008 |
| Solids, total dissolved | daily maximum | report only (lb/d) | all year | 008 |
| Hydrocarbons, total petroleum | daily maximum | report only (mg/L) | all year | 008 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX1 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX1 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX1 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX1 |
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX1 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX1 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TX2 |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TX2 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | monthly average minimum | report only (pass=0;fail=1) | all year | TX2 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX2 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX2 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX2 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX2 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX2 |
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX2 |
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX2 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX2 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX2 |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX3 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TX3 |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX3 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TX3 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48-hour minimum | report only (pass=0;fail=1) | all year | TX3 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | monthly average minimum | report only (pass=0;fail=1) | all year | TX3 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year | TX3 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX3 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX3 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX3 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX3 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX3 |
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX3 |
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX3 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX3 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX3 |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX4 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TX4 |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX4 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TX4 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48-hour minimum | report only (pass=0;fail=1) | all year | TX4 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | monthly average minimum | report only (pass=0;fail=1) | all year | TX4 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year | TX4 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX4 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX4 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX4 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX4 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX4 |
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX4 |
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX4 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX4 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX4 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48-hour minimum | report only (pass=0;fail=1) | all year | TX5 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | monthly average minimum | report only (pass=0;fail=1) | all year | TX5 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year | TX5 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX5 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX5 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX5 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX5 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX5 |
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX5 |
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX5 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX5 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX5 |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX6 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TX6 |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX6 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TX6 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48-hour minimum | report only (pass=0;fail=1) | all year | TX6 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | monthly average minimum | report only (pass=0;fail=1) | all year | TX6 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year | TX6 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX6 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX6 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX6 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX6 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX6 |
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX6 |
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX6 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX6 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX6 |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX7 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TX7 |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX7 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TX7 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48-hour minimum | report only (pass=0;fail=1) | all year | TX7 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | monthly average minimum | report only (pass=0;fail=1) | all year | TX7 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year | TX7 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX7 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX7 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX7 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX7 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX7 |
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX7 |
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX7 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX7 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX7 |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX8 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TX8 |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX8 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TX8 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48-hour minimum | report only (pass=0;fail=1) | all year | TX8 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | monthly average minimum | report only (pass=0;fail=1) | all year | TX8 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year | TX8 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX8 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX8 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX8 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX8 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX8 |
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX8 |
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX8 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX8 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX8 |
| 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 |
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | single sample | report only (pass=0;fail=1) | all year | TXB |
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | single sample | report only (pass=0;fail=1) | all year | TXB |
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | single sample | report only (pass=0;fail=1) | all year | TXC |
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | single sample | report only (pass=0;fail=1) | all year | TXC |
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | single sample | report only (pass=0;fail=1) | all year | TXD |
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | single sample | report only (pass=0;fail=1) | all year | TXD |
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | single sample | report only (pass=0;fail=1) | all year | TXE |
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | single sample | report only (pass=0;fail=1) | all year | TXE |
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | single sample | report only (pass=0;fail=1) | all year | TXF |
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | single sample | report only (pass=0;fail=1) | all year | TXF |
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | single sample | report only (pass=0;fail=1) | all year | TXG |
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | single sample | report only (pass=0;fail=1) | all year | TXG |
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | single sample | report only (pass=0;fail=1) | all year | TXH |
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | single sample | report only (pass=0;fail=1) | all year | TXH |
Cited limits by parameter: Texas's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/TX0134078 · MCP: https://passage-data.com/mcp