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Avery, City of

Sewage treatment plant, Avery, Texas. NPDES permit TX0053503, in force until Apr 2, 2031. Last 12 months: over a limit 9 times (last September 2026), 15 required values missing, 3 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 20 days after each period: form A monthly (15 values)
Last report on file: September 2026
Oct 2024 – Sep 2025: 1 value over a limit, 0 required values missing, 4 of 12 reports late

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

Period ending	Parameter	Reported	Limit	Over by
May 2026	Chlorine, total residual, monthly maximum	4.13 mg/L	≤ 4 mg/L	3%
June 2026	Chlorine, total residual, monthly minimum	.57 mg/L	≥ 1 mg/L	43%
June 2026	Solids, total suspended, daily average	16.93 mg/L	≤ 15 mg/L	13%
July 2026	Chlorine, total residual, monthly maximum	4.5 mg/L	≤ 4 mg/L	13%
July 2026	Chlorine, total residual, monthly minimum	.7 mg/L	≥ 1 mg/L	30%
August 2026	Chlorine, total residual, monthly maximum	4.5 mg/L	≤ 4 mg/L	13%
August 2026	Chlorine, total residual, monthly minimum	.7 mg/L	≥ 1 mg/L	30%
September 2026	Chlorine, total residual, monthly maximum	4.3 mg/L	≤ 4 mg/L	8%
September 2026	Solids, total suspended, daily average	29.48 mg/L	≤ 15 mg/L	97%

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	≤ 10 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	≤ 16 lb/d	all year
Flow, in conduit or thru treatment plant	daily average	≤ .124 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, single grab sample 35 mg/L — stricter than 79% of 310 other minor POTWs in Texas; 21% have the same limit
BOD, 5-day, 20 deg. C, daily average 10 mg/L — stricter than 77% of 340 other minor POTWs in Texas; 22% 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

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/TX0053503 · MCP: https://passage-data.com/mcp