Shady Oaks TX, LP — NPDES permit TX0132039: limits, due date and EPA's record

Shady Oaks TX, LP

Sewerage Systems, Erath County, Texas. NPDES permit TX0132039, in force until Nov 18, 2029. Last 12 months: over a limit 15 times (last August 2026), 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due

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

Last report on file

August 2026

Oct 2024 – Sep 2025

17 values over a limit, 0 required values missing, 3 of 12 reports late

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

All 15 values over a limit

Period ending	Parameter	Reported	Limit	Over by
October 2025	E. coli, single grab sample	2420 CFU/100mL	≤ 399 CFU/100mL	507%
October 2025	Phosphorus, total [as P], daily average	.2113 lb/d	≤ .2 lb/d	6%
November 2025	Solids, total suspended, daily average	48 mg/L	≤ 20 mg/L	140%
November 2025	Solids, total suspended, single grab sample	183 mg/L	≤ 65 mg/L	182%
December 2025	Phosphorus, total [as P], daily average	.2354 lb/d	≤ .2 lb/d	18%
January 2026	Phosphorus, total [as P], daily average	.2196 lb/d	≤ .2 lb/d	10%
February 2026	E. coli, daily average	1930 CFU/100mL	≤ 126 CFU/100mL	1432%
February 2026	E. coli, single grab sample	2420 CFU/100mL	≤ 399 CFU/100mL	507%
March 2026	Phosphorus, total [as P], daily average	.2066 lb/d	≤ .2 lb/d	3%
June 2026	Phosphorus, total [as P], daily average	.3204 lb/d	≤ .2 lb/d	60%
July 2026	E. coli, single grab sample	2420 CFU/100mL	≤ 399 CFU/100mL	507%
August 2026	E. coli, daily average	277 CFU/100mL	≤ 126 CFU/100mL	120%
August 2026	E. coli, single grab sample	2420 CFU/100mL	≤ 399 CFU/100mL	507%
August 2026	Oxygen, dissolved [DO], monthly minimum	3.5 mg/L	≥ 4 mg/L	13%
August 2026	Phosphorus, total [as P], daily average	.2935 lb/d	≤ .2 lb/d	47%

Limits in force (18)

Parameter	Statistic	Limit	Months
Oxygen, dissolved [DO]	monthly minimum	≥ 4 mg/L	all year
BOD, 5-day, 20 deg. C	daily average	≤ 20 mg/L	all year
BOD, 5-day, 20 deg. C	single grab sample	≤ 65 mg/L	all year
BOD, 5-day, 20 deg. C	daily average	≤ 4 lb/d	all year
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Solids, total suspended	daily average	≤ 20 mg/L	all year
Solids, total suspended	single grab sample	≤ 65 mg/L	all year
Solids, total suspended	daily average	≤ 4 lb/d	all year
Phosphorus, total [as P]	daily average	report only (mg/L)	all year
Phosphorus, total [as P]	single grab sample	report only (mg/L)	all year
Phosphorus, total [as P]	daily average	≤ .2 lb/d	all year
Flow, in conduit or thru treatment plant	daily average	≤ .024 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?

Solids, total suspended, daily average 20 mg/L — stricter than 19% of 777 other minor industrial and other permits in Texas; 16% have the same limit

Oxygen, dissolved [DO], monthly minimum at least 4 mg/L — stricter than 12% of 627 other minor industrial and other permits in Texas; 69% have the same limit

BOD, 5-day, 20 deg. C, daily average 20 mg/L — stricter than 11% of 272 other minor industrial and other permits in Texas; 44% have the same limit

Your permit document is the final word. As JSON: /api/v1/permits/TX0132039 · MCP: https://passage-data.com/mcp