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Animal Aquaculture, major discharger, Calhoun County, Texas. NPDES permit TX0113379 expired Oct 14, 2026; its limits still apply. Last 12 months: no values over a limit, 3 of 13 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | monthly minimum | ≥ 4 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 | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | daily average | report only (mg/L) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Solids, volatile suspended | daily average | report only (mg/L) | all year | 001 |
| Solids, volatile suspended | daily maximum | report only (mg/L) | all year | 001 |
| Solids, volatile suspended | daily average | report only (mg/L) | all year | 001 |
| Solids, volatile suspended | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 1 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2 mg/L | all year | 001 |
| Cadmium, total [as Cd] | daily average | ≤ .0079 mg/L | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | ≤ .017 mg/L | all year | 001 |
| Copper, total [as Cu] | daily average | ≤ .0019 mg/L | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ .0041 mg/L | all year | 001 |
| Lead, total [as Pb] | daily average | ≤ .013 mg/L | all year | 001 |
| Lead, total [as Pb] | daily maximum | ≤ .027 mg/L | all year | 001 |
| Nickel, total [as Ni] | daily average | ≤ .012 mg/L | all year | 001 |
| Nickel, total [as Ni] | daily maximum | ≤ .025 mg/L | all year | 001 |
| Silver, total [as Ag] | daily average | ≤ .0022 mg/L | all year | 001 |
| Silver, total [as Ag] | daily maximum | ≤ .0047 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily average | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily average | ≤ 4 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 13 MGD | all year | 001 |
| Inorganic suspended solids | daily average | ≤ 14 mg/L | all year | 001 |
| Inorganic suspended solids | daily maximum | ≤ 29 mg/L | all year | 001 |
| Inorganic suspended solids | daily average | report only (mg/L) | all year | 001 |
| Inorganic suspended solids | daily maximum | report only (mg/L) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 30 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 45 mg/L | all year | 001 |
| Whole effluent toxicity - retest #1 | 48-hour 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 | 48-hour 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 |
| LF Pass/Fail Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopis bahia) | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| LF Pass/Fail Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopis bahia) | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Menidia menidia | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Menidia menidia | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| NOAEC Lethal Static Renewal 48HR Acute Americamysis bahia (formerly Mysidopsis bahia) | 48-hour minimum | report only (%) | all year | TX1 |
| NOAEC Lethal Static Renewal 48HR Acute Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (%) | all year | TX1 |
| NOAEC Lethal Static Renewal 48HR Acute Menidia menidia | 48-hour minimum | report only (%) | all year | TX1 |
| NOAEC Lethal Static Renewal 48HR Acute Menidia menidia | monthly average minimum | report only (%) | all year | TX1 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 48-hour minimum | report only (%) | all year | TX1 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (%) | all year | TX1 |
| LOAEC Survival Static Renewal 48HR Acute Menidia menidia | 48-hour minimum | report only (%) | all year | TX1 |
| LOAEC Survival Static Renewal 48HR Acute 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.
Same industry: the 4 Agricultural Production — Livestock and Animal Specialties 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/TX0113379 · MCP: https://passage-data.com/mcp