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Nonferrous Forgings, major discharger, Houston, Texas. NPDES permit TX0042129, in force until Oct 25, 2029. Last 12 months: over a limit 15 times (last August 2026), 21 required values missing, 5 of 64 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| December 2025 | 002 | Cyanide, total [as CN], daily average | .016 mg/L | ≤ .012 mg/L | 33% |
| January 2026 | 002 | Copper, total [as Cu], daily average | .045 mg/L | ≤ .0161 mg/L | 180% |
| January 2026 | 002 | Copper, total [as Cu], daily maximum | .045 mg/L | ≤ .034 mg/L | 32% |
| March 2026 | 002 | Copper, total [as Cu], daily average | .048 mg/L | ≤ .0161 mg/L | 198% |
| March 2026 | 002 | Copper, total [as Cu], daily maximum | .048 mg/L | ≤ .034 mg/L | 41% |
| March 2026 | 101 | E. coli, daily average | ≤ 87.25 CFU/100mL | ≤ 63 CFU/100mL | 38% |
| March 2026 | 101 | E. coli, daily maximum | 345 CFU/100mL | ≤ 197 CFU/100mL | 75% |
| March 2026 | 201 | E. coli, daily average | ≤ 116.25 CFU/100mL | ≤ 63 CFU/100mL | 85% |
| March 2026 | 201 | E. coli, daily maximum | 461 CFU/100mL | ≤ 197 CFU/100mL | 134% |
| March 2026 | 301 | E. coli, daily average | ≤ 110.8 CFU/100mL | ≤ 63 CFU/100mL | 76% |
| March 2026 | 301 | E. coli, daily maximum | 435 CFU/100mL | ≤ 197 CFU/100mL | 121% |
| May 2026 | 002 | Copper, total [as Cu], daily average | .043 mg/L | ≤ .0161 mg/L | 167% |
| May 2026 | 002 | Copper, total [as Cu], daily maximum | .043 mg/L | ≤ .034 mg/L | 26% |
| August 2026 | 101 | E. coli, daily average | 609.2 CFU/100mL | ≤ 63 CFU/100mL | 867% |
| August 2026 | 101 | E. coli, daily maximum | 2420 CFU/100mL | ≤ 197 CFU/100mL | 1128% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | daily average | ≤ 15 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily average | ≤ 100 mg/L | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 150 mg/L | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | daily average | report only (mg/L) | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 65 mg/L | 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 maximum | ≤ 975 mg/L | all year | 001 |
| Chromium, total [as Cr] | daily maximum | ≤ 1 mg/L | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ 1 mg/L | all year | 001 |
| Lead, total [as Pb] | daily maximum | ≤ 1 mg/L | all year | 001 |
| Manganese, total [as Mn] | daily maximum | ≤ 2 mg/L | all year | 001 |
| Nickel, total [as Ni] | daily maximum | ≤ 2 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ 2 mg/L | all year | 001 |
| Aluminum, total [as Al] | daily average | report only (mg/L) | all year | 001 |
| Aluminum, total [as Al] | daily maximum | report only (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 |
| Solids, total dissolved | daily maximum | ≤ 6000 mg/L | all year | 001 |
| Oxygen, dissolved [DO] | monthly minimum | ≥ 5 mg/L | all year | 002 |
| Oxygen demand, chem. [high level] [COD] | daily average | ≤ 376 lb/d | all year | 002 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 563 lb/d | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | daily average | ≤ 20.7 lb/d | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 65.1 lb/d | all year | 002 |
| Oil & Grease | daily average | ≤ 10.7 lb/d | all year | 002 |
| Oil & Grease | daily maximum | ≤ 14.9 lb/d | all year | 002 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 6.3 lb/d | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 14.1 lb/d | all year | 002 |
| Cyanide, total [as CN] | daily average | ≤ .012 mg/L | all year | 002 |
| Cyanide, total [as CN] | daily maximum | ≤ .026 mg/L | all year | 002 |
| Chloride [as Cl] | daily maximum | ≤ 975 mg/L | all year | 002 |
| Sulfate, total [as SO4] | daily maximum | ≤ 689 mg/L | all year | 002 |
| Fluoride, total [as F] | daily average | ≤ 1.59 mg/L | all year | 002 |
| Fluoride, total [as F] | daily maximum | ≤ 3.22 mg/L | all year | 002 |
| Chromium, hexavalent [as Cr] | daily average | ≤ .0132 mg/L | all year | 002 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ .0279 mg/L | all year | 002 |
| Chromium, total [as Cr] | daily average | ≤ .068 mg/L | all year | 002 |
| Chromium, total [as Cr] | daily maximum | ≤ .143 mg/L | all year | 002 |
| Copper, total [as Cu] | daily average | ≤ .0161 mg/L | all year | 002 |
| Copper, total [as Cu] | daily maximum | ≤ .034 mg/L | all year | 002 |
| Lead, total [as Pb] | daily average | ≤ .00835 mg/L | all year | 002 |
| Lead, total [as Pb] | daily maximum | ≤ .0177 mg/L | all year | 002 |
| Manganese, total [as Mn] | daily maximum | ≤ 2 mg/L | all year | 002 |
| Nickel, total [as Ni] | daily average | ≤ .1 mg/L | all year | 002 |
| Nickel, total [as Ni] | daily maximum | ≤ .3 mg/L | all year | 002 |
| Silver, total [as Ag] | daily average | ≤ .0022 mg/L | all year | 002 |
| Silver, total [as Ag] | daily maximum | ≤ .005 mg/L | all year | 002 |
| Zinc, total [as Zn] | daily average | ≤ .145 mg/L | all year | 002 |
| Zinc, total [as Zn] | daily maximum | ≤ .307 mg/L | all year | 002 |
| Aluminum, total [as Al] | daily average | ≤ .834 mg/L | all year | 002 |
| Aluminum, total [as Al] | daily maximum | ≤ 1.77 mg/L | all year | 002 |
| Flow, in conduit or thru treatment plant | daily average | ≤ .225 MGD | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .55 MGD | all year | 002 |
| E. coli | daily average | report only (CFU/100mL) | all year | 002 |
| E. coli | daily maximum | report only (CFU/100mL) | all year | 002 |
| Solids, total dissolved | daily maximum | ≤ 6000 mg/L | all year | 002 |
| Mercury, total [as Hg] | daily average | ≤ .000039 mg/L | all year | 002 |
| Mercury, total [as Hg] | daily maximum | ≤ .000082 mg/L | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 41.3 lb/d | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 75 lb/d | all year | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | all year | 101 |
| Solids, total suspended | daily maximum | ≤ 65 mg/L | all year | 101 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 101 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 101 |
| Chlorine, total residual | monthly minimum | ≥ 1 mg/L | all year | 101 |
| Chlorine, total residual | monthly maximum | ≤ 4 mg/L | all year | 101 |
| E. coli | daily average | ≤ 63 CFU/100mL | all year | 101 |
| E. coli | daily maximum | ≤ 197 CFU/100mL | all year | 101 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | all year | 201 |
| Solids, total suspended | daily maximum | ≤ 65 mg/L | all year | 201 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 201 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 201 |
| Chlorine, total residual | monthly minimum | ≥ 1 mg/L | all year | 201 |
| Chlorine, total residual | monthly maximum | ≤ 4 mg/L | all year | 201 |
| E. coli | daily average | ≤ 63 CFU/100mL | all year | 201 |
| E. coli | daily maximum | ≤ 197 CFU/100mL | all year | 201 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | all year | 301 |
| Solids, total suspended | daily maximum | ≤ 65 mg/L | all year | 301 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 301 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 301 |
| Chlorine, total residual | monthly minimum | ≥ 1 mg/L | all year | 301 |
| Chlorine, total residual | monthly maximum | ≤ 4 mg/L | all year | 301 |
| E. coli | daily average | ≤ 63 CFU/100mL | all year | 301 |
| E. coli | daily maximum | ≤ 197 CFU/100mL | all year | 301 |
| Whole Effluent Toxicity [WET] - C. dubia | 7-day minimum | ≥ 12 % | all year | TX2 |
| Whole Effluent Toxicity [WET] - C. dubia | monthly average minimum | ≥ 12 % | all year | TX2 |
| Whole Effluent Toxicity [WET] - P. promelas | 7-day minimum | ≥ 12 % | all year | TX2 |
| Whole Effluent Toxicity [WET] - P. promelas | monthly average minimum | ≥ 12 % | all year | TX2 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (pass=0;fail=1) | all year | TX2 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX2 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX2 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX2 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX2 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX2 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX2 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX2 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX2 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX2 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (pass=0;fail=1) | all year | TX2 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX2 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX2 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX2 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX2 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX2 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX2 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX2 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX2 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX2 |
| Whole effluent toxicity | 7-day minimum | ≥ 100 % | all year | TXB |
| Whole effluent toxicity | monthly average minimum | ≥ 100 % | all year | TXB |
| 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 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Aluminum, total [as Al], daily average | 0.834 mg/L | new | — | — |
| Aluminum, total [as Al], daily maximum | 1.77 mg/L | new | — | — |
Cited limits by parameter: Texas's rules and the federal ones.
Same industry: the 17 Fabricated Metal Products 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/TX0042129 · MCP: https://passage-data.com/mcp