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Lipan, City of

Sewage treatment plant, Lipan, Texas. NPDES permit TX0111333, in force until Dec 18, 2028. Last 12 months: over a limit 11 times (last June 2026), 11 of 11 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: August 2026
Oct 2024 – Sep 2025: 15 values over a limit, 0 required values missing, 11 of 12 reports late

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

Period ending	Parameter	Reported	Limit	Over by
October 2025	Solids, total suspended, daily average	103 mg/L	≤ 90 mg/L	14%
January 2026	E. coli, daily average	390 CFU/100mL	≤ 126 CFU/100mL	210%
January 2026	E. coli, single grab sample	2420 CFU/100mL	≤ 399 CFU/100mL	507%
February 2026	E. coli, single grab sample	2420 CFU/100mL	≤ 399 CFU/100mL	507%
February 2026	Nitrogen, ammonia total [as N], daily average	8 mg/L	≤ 6 mg/L	33%
March 2026	BOD, carbonaceous [5 day, 20 C], daily average	33 mg/L	≤ 30 mg/L	10%
March 2026	E. coli, single grab sample	1120 CFU/100mL	≤ 399 CFU/100mL	181%
March 2026	Oxygen, dissolved [DO], monthly minimum	3.6 mg/L	≥ 4 mg/L	10%
May 2026	E. coli, daily average	143 CFU/100mL	≤ 126 CFU/100mL	13%
May 2026	E. coli, single grab sample	613 CFU/100mL	≤ 399 CFU/100mL	54%
June 2026	Oxygen, dissolved [DO], monthly minimum	3.7 mg/L	≥ 4 mg/L	8%

Limits in force (15)

Parameter	Statistic	Limit	Months
Oxygen, dissolved [DO]	monthly minimum	≥ 4 mg/L	all year
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 10 SU	all year
Solids, total suspended	daily average	≤ 90 mg/L	all year
Solids, total suspended	daily average	≤ 74 lb/d	all year
Nitrogen, ammonia total [as N]	daily average	≤ 6 mg/L	all year
Nitrogen, ammonia total [as N]	single grab sample	≤ 15 mg/L	all year
Nitrogen, ammonia total [as N]	daily average	≤ 4.9 lb/d	all year
Flow, in conduit or thru treatment plant	daily average	≤ .099 MGD	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year
E. coli	daily average	≤ 126 CFU/100mL	all year
E. coli	single grab sample	≤ 399 CFU/100mL	all year
BOD, carbonaceous [5 day, 20 C]	daily average	≤ 30 mg/L	all year
BOD, carbonaceous [5 day, 20 C]	single grab sample	≤ 100 mg/L	all year
BOD, carbonaceous [5 day, 20 C]	daily average	≤ 25 lb/d	all year

How strict are these limits?

Oxygen, dissolved [DO], monthly minimum at least 4 mg/L — stricter than 15% of 905 other minor POTWs in Texas; 59% 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/TX0111333 · MCP: https://passage-data.com/mcp