Passage Data · Check a report · Use it from your AI
Blast Furnaces And Steel Mills, major discharger, Baytown, Texas. NPDES permit TX0007706, in force until Jun 26, 2029. Last 12 months: no values over a limit, 1 of 66 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | daily average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 105 deg F | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily average | report only (mg/L) | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 400 mg/L | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Oil & Grease | daily average | report only (mg/L) | all year | 001 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 7 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily average | report only (lb/d) | all year | 001 |
| Copper, total [as Cu] | daily average | ≤ .0037 mg/L | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ .0079 mg/L | all year | 001 |
| Nickel, total [as Ni] | daily average | ≤ .0117 mg/L | all year | 001 |
| Nickel, total [as Ni] | daily maximum | ≤ .0249 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily average | ≤ .0836 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ .177 mg/L | all year | 001 |
| Aluminum, total [as Al] | daily average | ≤ .835 mg/L | all year | 001 |
| Aluminum, total [as Al] | daily maximum | ≤ 1.77 mg/L | all year | 001 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| BOD, 5-day, 20 deg. C | daily average | ≤ 20 mg/L | all year | 101 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year | 101 |
| BOD, 5-day, 20 deg. C | daily average | ≤ 16 lb/d | all year | 101 |
| pH | minimum | ≥ 6 SU | all year | 101 |
| pH | maximum | ≤ 9 SU | all year | 101 |
| Solids, total suspended | daily average | ≤ 20 mg/L | all year | 101 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 101 |
| Solids, total suspended | daily average | ≤ 16 lb/d | all year | 101 |
| Flow, in conduit or thru treatment plant | daily average | ≤ .096 MGD | all year | 101 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .2 MGD | all year | 101 |
| Chlorine, total residual | minimum | ≥ 1 mg/L | all year | 101 |
| Chlorine, total residual | maximum | ≤ 4 mg/L | all year | 101 |
| E. coli | daily average | ≤ 126 CFU/100mL | all year | 101 |
| E. coli | daily maximum | ≤ 399 CFU/100mL | all year | 101 |
| pH | minimum | ≥ 6 SU | all year | 201 |
| pH | maximum | ≤ 9 SU | all year | 201 |
| Solids, total suspended | daily average | ≤ 125 lb/d | all year | 201 |
| Solids, total suspended | daily maximum | ≤ 250 lb/d | all year | 201 |
| Oil & Grease | daily average | ≤ 50 lb/d | all year | 201 |
| Oil & Grease | daily maximum | ≤ 63 lb/d | all year | 201 |
| Flow, in conduit or thru treatment plant | daily average | ≤ .5 MGD | all year | 201 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .75 MGD | all year | 201 |
| BOD, 5-day, 20 deg. C | daily average | ≤ 20 mg/L | all year | 301 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year | 301 |
| BOD, 5-day, 20 deg. C | daily average | ≤ 12 lb/d | all year | 301 |
| pH | minimum | ≥ 6 SU | all year | 301 |
| pH | maximum | ≤ 9 SU | all year | 301 |
| Solids, total suspended | daily average | ≤ 20 mg/L | all year | 301 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 301 |
| Solids, total suspended | daily average | ≤ 12 lb/d | all year | 301 |
| Flow, in conduit or thru treatment plant | daily average | ≤ .072 MGD | all year | 301 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .2 MGD | all year | 301 |
| Chlorine, total residual | minimum | ≥ 1 mg/L | all year | 301 |
| Chlorine, total residual | maximum | ≤ 4 mg/L | all year | 301 |
| E. coli | daily average | ≤ 126 CFU/100mL | all year | 301 |
| E. coli | daily maximum | ≤ 399 CFU/100mL | all year | 301 |
| pH | minimum | ≥ 6 SU | all year | 401 |
| pH | maximum | ≤ 9 SU | all year | 401 |
| Solids, total suspended | daily average | ≤ 125 lb/d | all year | 401 |
| Solids, total suspended | daily maximum | ≤ 250 lb/d | all year | 401 |
| Oil & Grease | daily average | ≤ 50 lb/d | all year | 401 |
| Oil & Grease | daily maximum | ≤ 63 lb/d | all year | 401 |
| Flow, in conduit or thru treatment plant | daily average | ≤ .5 MGD | all year | 401 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .75 MGD | all year | 401 |
| Whole effluent toxicity - retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllina | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllina | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllina | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllina | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina | monthly average minimum | report only (%) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllina | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllina | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllina | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllina | monthly average minimum | report only (%) | all year | TX1 |
| Whole effluent toxicity - retest #1 | single sample | report only (pass=0;fail=1) | all year | TXA |
| Whole effluent toxicity - retest #2 | single sample | report only (pass=0;fail=1) | all year | TXA |
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | single sample | report only (pass=0;fail=1) | all year | TXA |
| LC50 Pass/Fail Static 24Hr Acute Menidia beryllina | 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 13 Primary Metal Industries permits in Texas.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/TX0007706 · MCP: https://passage-data.com/mcp