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Sewage treatment plant, major discharger, West Orange, Texas. NPDES permit TX0054810, in force until Mar 31, 2027. Last 12 months: over a limit 27 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| March 2026 | Enterococci, daily average | 62 CFU/100mL | ≤ 35 CFU/100mL | 77% |
| March 2026 | Enterococci, daily maximum | 304 CFU/100mL | ≤ 104 CFU/100mL | 192% |
| March 2026 | Nitrogen, ammonia total [as N], daily average | 6 mg/L | ≤ 3 mg/L | 100% |
| March 2026 | Nitrogen, ammonia total [as N], daily maximum | 15.7 mg/L | ≤ 10 mg/L | 57% |
| April 2026 | Nitrogen, ammonia total [as N], daily average | 10.2 mg/L | ≤ 3 mg/L | 240% |
| April 2026 | Nitrogen, ammonia total [as N], daily maximum | 19.8 mg/L | ≤ 10 mg/L | 98% |
| May 2026 | Enterococci, daily average | 100 CFU/100mL | ≤ 35 CFU/100mL | 186% |
| May 2026 | Enterococci, daily maximum | 260 CFU/100mL | ≤ 104 CFU/100mL | 150% |
| May 2026 | Flow, in conduit or thru treatment plant, 2-hour peak | 2421 gal/min | ≤ 2394 gal/min | 1% |
| May 2026 | Nitrogen, ammonia total [as N], daily average | 5 mg/L | ≤ 3 mg/L | 67% |
| May 2026 | Solids, total suspended, daily average | 164 lb/d | ≤ 153 lb/d | 7% |
| May 2026 | Solids, total suspended, daily maximum | 42 mg/L | ≤ 40 mg/L | 5% |
| June 2026 | BOD, carbonaceous [5 day, 20 C], daily average | 108 lb/d | ≤ 102 lb/d | 6% |
| June 2026 | BOD, carbonaceous [5 day, 20 C], daily average | 17 mg/L | ≤ 10 mg/L | 70% |
| June 2026 | BOD, carbonaceous [5 day, 20 C], daily maximum | 33 mg/L | ≤ 25 mg/L | 32% |
| June 2026 | Enterococci, daily average | 51 CFU/100mL | ≤ 35 CFU/100mL | 46% |
| June 2026 | Nitrogen, ammonia total [as N], daily average | 11 mg/L | ≤ 3 mg/L | 267% |
| June 2026 | Nitrogen, ammonia total [as N], daily average | 64 lb/d | ≤ 31 lb/d | 106% |
| June 2026 | Nitrogen, ammonia total [as N], daily maximum | 18 mg/L | ≤ 10 mg/L | 80% |
| June 2026 | Solids, total suspended, daily average | 179 lb/d | ≤ 153 lb/d | 17% |
| June 2026 | Solids, total suspended, daily average | 27 mg/L | ≤ 15 mg/L | 80% |
| June 2026 | Solids, total suspended, daily maximum | 46 mg/L | ≤ 40 mg/L | 15% |
| July 2026 | Enterococci, daily maximum | 1010 CFU/100mL | ≤ 104 CFU/100mL | 871% |
| July 2026 | Nitrogen, ammonia total [as N], daily average | 3.26 mg/L | ≤ 3 mg/L | 9% |
| July 2026 | Nitrogen, ammonia total [as N], daily maximum | 14.7 mg/L | ≤ 10 mg/L | 47% |
| September 2026 | Copper, total [as Cu], daily average | .0091 mg/L | ≤ .0087 mg/L | 5% |
| September 2026 | Flow, in conduit or thru treatment plant, 2-hour peak | 3031 gal/min | ≤ 2394 gal/min | 27% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | monthly minimum | ≥ 5 mg/L | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 8.5 SU | all year | 001 |
| Solids, total suspended | daily average | ≤ 15 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 40 mg/L | all year | 001 |
| Solids, total suspended | daily average | ≤ 153 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 3 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 31 lb/d | all year | 001 |
| Copper, total [as Cu] | daily average | ≤ .0087 mg/L | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ .018 mg/L | all year | 001 |
| Copper, total [as Cu] | daily average | ≤ .089 lb/d | all year | 001 |
| Zinc, total [as Zn] | daily average | ≤ .76 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ .16 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily average | ≤ .77 lb/d | 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 |
| Flow, in conduit or thru treatment plant | 2-hour peak | ≤ 2394 gal/min | all year | 001 |
| Flow, in conduit or thru treatment plant | annual average | ≤ 1.22 MGD | all year | 001 |
| Chlorine, total residual | instantaneous maximum | ≤ .1 mg/L | all year | 001 |
| Chlorine, total residual | monthly minimum | ≥ 1 mg/L | all year | 001 |
| Enterococci | daily average | ≤ 35 CFU/100mL | all year | 001 |
| Enterococci | daily maximum | ≤ 104 CFU/100mL | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 10 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 25 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 102 lb/d | all year | 001 |
| Whole effluent toxicity - retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| 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 #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 | 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 |
| 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 menidia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 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 menidia | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 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 menidia | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 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 menidia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 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 menidia | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | 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 Reproduction Static Renewal 7 Day Chronic Menidia menidia | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | 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 menidia | single sample | report only (pass=0;fail=1) | all year | TXA |
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/TX0054810 · MCP: https://passage-data.com/mcp