Anna, City of — NPDES permit TX0056677: limits, due date and EPA's record

Sewage treatment plant, Anna, Texas. NPDES permit TX0056677, in force until Nov 18, 2026. Last 12 months: no values over a limit, 2 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Limits in force (31)

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	≤ 9 SU	all year	001
Solids, total suspended	daily average	≤ 90 mg/L	all year	001
Solids, total suspended	daily average	≤ 188 lb/d	all year	001
Nitrogen, ammonia total [as N]	daily average	≤ 4 mg/L	all year	001
Nitrogen, ammonia total [as N]	single grab sample	≤ 15 mg/L	all year	001
Nitrogen, ammonia total [as N]	daily average	≤ 8.3 lb/d	all year	001
Flow, in conduit or thru treatment plant	daily average	≤ .25 MGD	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
E. coli	daily average	≤ 126 CFU/100mL	all year	001
E. coli	single grab sample	≤ 399 CFU/100mL	all year	001
BOD, carbonaceous [5 day, 20 C]	daily average	≤ 30 mg/L	all year	001
BOD, carbonaceous [5 day, 20 C]	single grab sample	≤ 100 mg/L	all year	001
BOD, carbonaceous [5 day, 20 C]	daily average	≤ 63 lb/d	all year	001
Oxygen, dissolved [DO]	monthly minimum	≥ 6 mg/L	all year	002
pH	minimum	≥ 6 SU	all year	002
pH	maximum	≤ 9 SU	all year	002
Solids, total suspended	daily average	≤ 15 mg/L	all year	002
Solids, total suspended	daily maximum	≤ 40 mg/L	all year	002
Solids, total suspended	daily average	≤ 63 lb/d	all year	002
Nitrogen, ammonia total [as N]	daily average	≤ 2 mg/L	all year	002
Nitrogen, ammonia total [as N]	daily maximum	≤ 10 mg/L	all year	002
Nitrogen, ammonia total [as N]	daily average	≤ 8.3 lb/d	all year	002
Flow, in conduit or thru treatment plant	daily average	≤ .5 MGD	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
E. coli	daily average	≤ 126 CFU/100mL	all year	002
E. coli	daily maximum	≤ 399 CFU/100mL	all year	002
BOD, carbonaceous [5 day, 20 C]	daily average	≤ 10 mg/L	all year	002
BOD, carbonaceous [5 day, 20 C]	daily maximum	≤ 25 mg/L	all year	002
BOD, carbonaceous [5 day, 20 C]	daily average	≤ 42 lb/d	all year	002

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/TX0056677 · MCP: https://passage-data.com/mcp