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Keene City of

Sewage treatment plant, Keene, Texas. NPDES permit TX0106291, in force until Jan 7, 2027. Last 12 months: over a limit 25 times (last April 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (18 values)
Renewal application due
Jul 11, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 12 reports late

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

All 25 values over a limit
Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], daily average4.74 mg/L≤ 3 mg/L58%
October 2025Nitrogen, ammonia total [as N], daily maximum14.5 mg/L≤ 10 mg/L45%
November 2025Nitrogen, ammonia total [as N], daily average15.34 mg/L≤ 3 mg/L411%
November 2025Nitrogen, ammonia total [as N], daily average53.7792 lb/d≤ 21 lb/d156%
November 2025Nitrogen, ammonia total [as N], daily maximum18 mg/L≤ 10 mg/L80%
December 2025Nitrogen, ammonia total [as N], daily average12.27 mg/L≤ 3 mg/L309%
December 2025Nitrogen, ammonia total [as N], daily average42.1403 lb/d≤ 21 lb/d101%
December 2025Nitrogen, ammonia total [as N], daily maximum24.3 mg/L≤ 10 mg/L143%
January 2026BOD, carbonaceous [5 day, 20 C], daily average11 mg/L≤ 10 mg/L10%
January 2026Nitrogen, ammonia total [as N], daily maximum10.3 mg/L≤ 10 mg/L3%
January 2026Solids, total suspended, daily average18 mg/L≤ 15 mg/L20%
January 2026Solids, total suspended, daily maximum42 mg/L≤ 40 mg/L5%
February 2026BOD, carbonaceous [5 day, 20 C], daily average12 mg/L≤ 10 mg/L20%
February 2026Nitrogen, ammonia total [as N], daily average20.44 mg/L≤ 3 mg/L581%
February 2026Nitrogen, ammonia total [as N], daily average65.9622 lb/d≤ 21 lb/d214%
February 2026Nitrogen, ammonia total [as N], daily maximum28.6 mg/L≤ 10 mg/L186%
March 2026E. coli, daily average363 MPN/100mL≤ 126 MPN/100mL188%
March 2026E. coli, daily maximum1730 MPN/100mL≤ 399 MPN/100mL334%
March 2026Nitrogen, ammonia total [as N], daily average20.29 mg/L≤ 3 mg/L576%
March 2026Nitrogen, ammonia total [as N], daily average65.235 lb/d≤ 21 lb/d211%
March 2026Nitrogen, ammonia total [as N], daily maximum33.8 mg/L≤ 10 mg/L238%
March 2026Solids, total suspended, daily average20 mg/L≤ 15 mg/L33%
March 2026Solids, total suspended, daily maximum41 mg/L≤ 40 mg/L3%
April 2026Solids, total suspended, daily average16 mg/L≤ 15 mg/L7%
April 2026Solids, total suspended, daily maximum44 mg/L≤ 40 mg/L10%

Limits in force (18)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 4 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 15 mg/Lall year
Solids, total suspendeddaily maximum≤ 40 mg/Lall year
Solids, total suspendeddaily average≤ 104 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 3 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]daily average≤ 21 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .83 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly minimum≥ 1 mg/Lall year
Chlorine, total residualmonthly maximum≤ 4 mg/Lall year
E. colidaily average≤ 126 MPN/100mLall year
E. colidaily maximum≤ 399 MPN/100mLall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 69 lb/dall year

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0106291 · MCP: https://passage-data.com/mcp