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Texas Water Utilities LP

Sewerage Systems, Livingston, Texas. NPDES permit TX0075949, in force until Dec 12, 2028. Last 12 months: over a limit 4 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due: About 20 days after each period: form A monthly (13 values), form Q quarterly (2 values)
Last report on file: August 2026
Oct 2024 – Sep 2025: 3 values over a limit, 2 required values missing, 2 of 16 reports late

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

Period ending	Parameter	Reported	Limit	Over by
October 2025	Chlorine, total residual, monthly minimum	.7 mg/L	≥ 1 mg/L	30%
December 2025	E. coli, single grab sample	613 CFU/100mL	≤ 399 CFU/100mL	54%
January 2026	Flow, in conduit or thru treatment plant, daily average	.01 MGD	≤ .0075 MGD	33%
March 2026	Flow, in conduit or thru treatment plant, daily average	.017 MGD	≤ .0075 MGD	127%

Limits in force (15)

Parameter	Statistic	Limit	Months
Oxygen, dissolved [DO]	monthly minimum	≥ 4 mg/L	all year
BOD, 5-day, 20 deg. C	daily average	≤ 10 mg/L	all year
BOD, 5-day, 20 deg. C	single grab sample	≤ 35 mg/L	all year
BOD, 5-day, 20 deg. C	daily average	≤ .63 lb/d	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	≤ .94 lb/d	all year
Flow, in conduit or thru treatment plant	daily average	≤ .0075 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	single grab sample	≤ 399 CFU/100mL	all year

How strict are these limits?

BOD, 5-day, 20 deg. C, daily average 10 mg/L — stricter than 58% of 272 other minor industrial and other permits in Texas; 41% have the same limit
BOD, 5-day, 20 deg. C, single grab sample 35 mg/L — stricter than 47% of 205 other minor industrial and other permits in Texas; 52% have the same limit
Solids, total suspended, daily average 15 mg/L — stricter than 35% of 777 other minor industrial and other permits in Texas; 60% have the same limit

Cited limits by parameter: Texas's rules and the federal ones.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0075949 · MCP: https://passage-data.com/mcp