East Montgomery County Mud 5 — NPDES permit TX0140848: limits, due date and EPA's record

East Montgomery County Mud 5

Sewage treatment plant, New Caney, Texas. NPDES permit TX0140848, in force until Jan 19, 2027. Last 12 months: over a limit 13 times (last August 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due

About 20 days after each period: form A monthly (18 values)

Renewal application due

Jul 23, 2026 · 180 days before expiry; your permit may set another date

Last report on file

August 2026

Oct 2024 – Sep 2025

5 values over a limit, 0 required values missing, 0 of 12 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	Solids, total suspended, daily average	18.4 mg/L	≤ 15 mg/L	23%
October 2025	Solids, total suspended, single grab sample	72.5 mg/L	≤ 60 mg/L	21%
November 2025	Flow, in conduit or thru treatment plant, daily average	.362 MGD	≤ .165 MGD	119%
November 2025	Nitrogen, ammonia total [as N], daily average	7.36 lb/d	≤ 4.1 lb/d	80%
November 2025	Solids, total suspended, daily average	118 lb/d	≤ 21 lb/d	462%
November 2025	Solids, total suspended, daily average	24.2 mg/L	≤ 15 mg/L	61%
December 2025	BOD, carbonaceous [5 day, 20 C], daily average	20.8 lb/d	≤ 14 lb/d	49%
December 2025	Flow, in conduit or thru treatment plant, daily average	.411 MGD	≤ .165 MGD	149%
December 2025	Nitrogen, ammonia total [as N], daily average	4.4 lb/d	≤ 4.1 lb/d	7%
January 2026	Flow, in conduit or thru treatment plant, daily average	.441 MGD	≤ .165 MGD	167%
January 2026	Solids, total suspended, daily average	28.91 lb/d	≤ 21 lb/d	38%
February 2026	Flow, in conduit or thru treatment plant, daily average	.272 MGD	≤ .165 MGD	65%
August 2026	pH, minimum	5.64 SU	≥ 6 SU	—

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	single grab sample	≤ 60 mg/L	all year
Solids, total suspended	daily average	≤ 41 lb/d	all year
Nitrogen, ammonia total [as N]	daily average	≤ 3 mg/L	all year
Nitrogen, ammonia total [as N]	single grab sample	≤ 15 mg/L	all year
Nitrogen, ammonia total [as N]	daily average	≤ 8.3 lb/d	all year
Flow, in conduit or thru treatment plant	daily average	≤ .33 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	≤ 63 CFU/100mL	all year
E. coli	single grab sample	≤ 200 CFU/100mL	all year
BOD, carbonaceous [5 day, 20 C]	daily average	≤ 10 mg/L	all year
BOD, carbonaceous [5 day, 20 C]	single grab sample	≤ 35 mg/L	all year
BOD, carbonaceous [5 day, 20 C]	daily average	≤ 28 lb/d	all year

How strict are these limits?

E. coli, single grab sample 200 CFU/100mL — stricter than 85% of 576 other minor POTWs in Texas; 15% have the same limit

E. coli, daily average 63 CFU/100mL — stricter than 80% of 776 other minor POTWs in Texas; 19% have the same limit

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

Your permit document is the final word. As JSON: /api/v1/permits/TX0140848 · MCP: https://passage-data.com/mcp