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8 Mile Park, L.P.

Sewerage Systems, Brazoria County, Texas. NPDES permit TX0091421 expired Nov 5, 2024; its limits still apply. Last 12 months: over a limit 5 times (last August 2026), 123 required values missing, 4 of 14 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 20 days after each period: form A monthly (13 values), form Q quarterly
Last report on file: August 2026
Oct 2024 – Sep 2025: 0 values over a limit, 164 required values missing, 0 of 16 reports late

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

Period ending	Parameter	Reported	Limit	Over by
May 2026	Flow, in conduit or thru treatment plant, daily average	.0141 MGD	≤ .0072 MGD	96%
July 2026	Flow, in conduit or thru treatment plant, daily average	.009 MGD	≤ .0072 MGD	25%
July 2026	Flow, in conduit or thru treatment plant, daily average	.009 MGD	≤ .0072 MGD	25%
August 2026	Flow, in conduit or thru treatment plant, daily average	.039 MGD	≤ .0072 MGD	442%
August 2026	Solids, total suspended, daily average	1.4 lb/d	≤ 1.2 lb/d	17%

Limits in force (15)

Parameter	Statistic	Limit	Months
Oxygen, dissolved [DO]	monthly minimum	≥ 2 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	≤ 1.2 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	≤ 1.2 lb/d	all year
Flow, in conduit or thru treatment plant	daily average	≤ .0072 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
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

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/TX0091421 · MCP: https://passage-data.com/mcp