Blanket, City of — NPDES permit TX0127922: limits, due date and EPA's record

Blanket, City of

Sewage treatment plant, Blanket, Texas. NPDES permit TX0127922, in force until Dec 9, 2029. Last 12 months: over a limit 13 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due

About 20 days after each period: form A monthly (16 values), form Q quarterly (2 values)

Last report on file

September 2026

Oct 2024 – Sep 2025

41 values over a limit, 0 required values missing, 0 of 16 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

All 13 values over a limit

Period ending	Parameter	Reported	Limit	Over by
October 2025	Nitrogen, ammonia total [as N], daily average	1.12 lb/d	≤ .9 lb/d	24%
October 2025	Nitrogen, ammonia total [as N], daily average	10.65 mg/L	≤ 3 mg/L	255%
October 2025	Nitrogen, ammonia total [as N], daily maximum	30.1 mg/L	≤ 10 mg/L	201%
November 2025	Nitrogen, ammonia total [as N], daily average	1.46 lb/d	≤ .9 lb/d	62%
November 2025	Nitrogen, ammonia total [as N], daily average	15.24 mg/L	≤ 3 mg/L	408%
November 2025	Nitrogen, ammonia total [as N], daily maximum	23.6 mg/L	≤ 10 mg/L	136%
December 2025	Nitrogen, ammonia total [as N], daily average	8.39 mg/L	≤ 3 mg/L	180%
December 2025	Nitrogen, ammonia total [as N], daily maximum	18.4 mg/L	≤ 10 mg/L	84%
January 2026	Solids, total suspended, daily average	19.25 mg/L	≤ 15 mg/L	28%
January 2026	Solids, total suspended, daily maximum	55 mg/L	≤ 40 mg/L	38%
February 2026	Solids, total suspended, daily average	23.75 mg/L	≤ 15 mg/L	58%
August 2026	Nitrogen, ammonia total [as N], daily average	9.24 mg/L	≤ 3 mg/L	208%
August 2026	Nitrogen, ammonia total [as N], daily maximum	13.5 mg/L	≤ 10 mg/L	35%

Limits in force (18)

Parameter	Statistic	Limit	Months
Oxygen, dissolved [DO]	monthly minimum	≥ 4 mg/L	all year
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Solids, total suspended	daily average	≤ 15 mg/L	all year
Solids, total suspended	daily maximum	≤ 40 mg/L	all year
Solids, total suspended	daily average	≤ 4.4 lb/d	all year
Nitrogen, ammonia total [as N]	daily average	≤ 3 mg/L	all year
Nitrogen, ammonia total [as N]	daily maximum	≤ 10 mg/L	all year
Nitrogen, ammonia total [as N]	daily average	≤ .9 lb/d	all year
Flow, in conduit or thru treatment plant	daily average	≤ .035 MGD	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year
Chlorine, total residual	monthly minimum	≥ 1 mg/L	all year
Chlorine, total residual	monthly maximum	≤ 4 mg/L	all year
E. coli	daily average	≤ 126 CFU/100mL	all year
E. coli	daily maximum	≤ 399 CFU/100mL	all year
BOD, carbonaceous [5 day, 20 C]	daily average	≤ 10 mg/L	all year
BOD, carbonaceous [5 day, 20 C]	daily maximum	≤ 25 mg/L	all year
BOD, carbonaceous [5 day, 20 C]	daily average	≤ 2.9 lb/d	all year

How strict are these limits?

Solids, total suspended, daily average 15 mg/L — stricter than 35% of 939 other minor POTWs in Texas; 58% have the same limit

Oxygen, dissolved [DO], monthly minimum at least 4 mg/L — stricter than 15% of 905 other minor POTWs in Texas; 59% have the same limit

Solids, total suspended, daily maximum 40 mg/L — stricter than 15% of 264 other minor POTWs in Texas; 81% have the same limit

Your permit document is the final word. As JSON: /api/v1/permits/TX0127922 · MCP: https://passage-data.com/mcp