BWC Texas Terminals LLC — NPDES permit TX0075311: limits, due date and EPA's record

Special Warehousing And Storage, Texas City, Texas. NPDES permit TX0075311, in force until Mar 20, 2031. Last 12 months: no values over a limit, 14 of 77 reports late. Source: EPA ECHO, Oct 22, 2026.

Limits in force (68)

Parameter	Statistic	Limit	Months	Outfall
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
Oil & Grease	daily maximum	≤ 15 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	≤ 30 mg/L	all year	002
BOD, 5-day, 20 deg. C	daily maximum	≤ 60 mg/L	all year	002
BOD, 5-day, 20 deg. C	daily average	≤ 21 lb/d	all year	002
BOD, 5-day, 20 deg. C	daily maximum	≤ 42 lb/d	all year	002
Oxygen demand, chem. [high level] [COD]	daily maximum	≤ 600 mg/L	all year	002
Oxygen demand, chem. [high level] [COD]	daily average	≤ 210 lb/d	all year	002
Oxygen demand, chem. [high level] [COD]	daily maximum	≤ 420 lb/d	all year	002
pH	minimum	≥ 6 SU	all year	002
pH	maximum	≤ 9 SU	all year	002
Solids, total suspended	daily maximum	≤ 80 mg/L	all year	002
Solids, total suspended	daily average	≤ 21 lb/d	all year	002
Solids, total suspended	daily maximum	≤ 56 lb/d	all year	002
Oil & Grease	daily maximum	≤ 15 mg/L	all year	002
Oil & Grease	daily average	≤ 7 lb/d	all year	002
Oil & Grease	daily maximum	≤ 10.5 lb/d	all year	002
Nitrogen, ammonia total [as N]	daily average	≤ 5.1 mg/L	all year	002
Nitrogen, ammonia total [as N]	daily maximum	≤ 10.2 mg/L	all year	002
Nitrogen, ammonia total [as N]	daily average	≤ 3.6 lb/d	all year	002
Nitrogen, ammonia total [as N]	daily maximum	≤ 7.1 lb/d	all year	002
Manganese, total [as Mn]	daily average	≤ 1 mg/L	all year	002
Manganese, total [as Mn]	daily maximum	≤ 2 mg/L	all year	002
Zinc, total [as Zn]	daily average	report only (mg/L)	all year	002
Zinc, total [as Zn]	daily maximum	report only (mg/L)	all year	002
Phenols	daily maximum	≤ .2 mg/L	all year	002
Phenols	daily average	≤ .08 lb/d	all year	002
Phenols	daily maximum	≤ .14 lb/d	all year	002
Flow, in conduit or thru treatment plant	daily average	≤ .084 MGD	all year	002
Flow, in conduit or thru treatment plant	daily maximum	≤ .248 MGD	all year	002
Chlorine, total residual	monthly minimum	≥ 1 mg/L	all year	002
Chlorine, total residual	monthly maximum	≤ 4 mg/L	all year	002
Enterococci	daily average	≤ 35 CFU/100mL	all year	002
Enterococci	daily maximum	≤ 104 CFU/100mL	all year	002
Oxygen demand, chem. [high level] [COD]	daily maximum	≤ 150 mg/L	all year	003
pH	minimum	≥ 6 SU	all year	003
pH	maximum	≤ 9 SU	all year	003
Oil & Grease	daily maximum	≤ 15 mg/L	all year	003
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	003
Oxygen demand, chem. [high level] [COD]	daily maximum	≤ 150 mg/L	all year	004
pH	minimum	≥ 6 SU	all year	004
pH	maximum	≤ 9 SU	all year	004
Oil & Grease	daily maximum	≤ 15 mg/L	all year	004
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	004
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	004
Oxygen demand, chem. [high level] [COD]	daily maximum	≤ 150 mg/L	all year	005
pH	minimum	≥ 6 SU	all year	005
pH	maximum	≤ 9 SU	all year	005
Oil & Grease	daily maximum	≤ 15 mg/L	all year	005
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	005
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	005
Oxygen demand, chem. [high level] [COD]	daily maximum	≤ 150 mg/L	all year	006
pH	minimum	≥ 6 SU	all year	006
pH	maximum	≤ 9 SU	all year	006
Oil & Grease	daily maximum	≤ 15 mg/L	all year	006
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	006
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	006
Oxygen demand, chem. [high level] [COD]	daily maximum	≤ 150 mg/L	all year	007
pH	minimum	≥ 6 SU	all year	007
pH	maximum	≤ 9 SU	all year	007
Oil & Grease	daily maximum	≤ 15 mg/L	all year	007
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	007
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	007

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/TX0075311 · MCP: https://passage-data.com/mcp