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Whitney, City of

Sewage treatment plant, Whitney, Texas. NPDES permit TX0106551, in force until Sep 15, 2030. Last 12 months: over a limit 22 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (18 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
36 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 22 values over a limit
Period endingParameterReportedLimitOver by
October 2025Oxygen, dissolved [DO], monthly minimum3.4 mg/L≥ 4 mg/L15%
October 2025Solids, total suspended, daily average36 mg/L≤ 20 mg/L80%
November 2025Oxygen, dissolved [DO], monthly minimum3.9 mg/L≥ 4 mg/L3%
December 2025Nitrogen, ammonia total [as N], daily average6.1 mg/L≤ 3 mg/L103%
December 2025Oxygen, dissolved [DO], monthly minimum3.9 mg/L≥ 4 mg/L3%
January 2026Nitrogen, ammonia total [as N], daily average4.27 mg/L≤ 3 mg/L42%
January 2026Oxygen, dissolved [DO], monthly minimum3.4 mg/L≥ 4 mg/L15%
January 2026Solids, total suspended, daily average31 mg/L≤ 30 mg/L3%
February 2026Nitrogen, ammonia total [as N], daily average9.12 mg/L≤ 3 mg/L204%
February 2026Nitrogen, ammonia total [as N], single grab sample15.8 mg/L≤ 15 mg/L5%
March 2026E. coli, single grab sample687 MPN/100mL≤ 399 CFU/100mL72%
March 2026Nitrogen, ammonia total [as N], daily average13.121 lb/d≤ 10 lb/d31%
March 2026Nitrogen, ammonia total [as N], daily average8.93 mg/L≤ 3 mg/L198%
March 2026pH, maximum9.1 SU≤ 9 SU—
April 2026BOD, carbonaceous [5 day, 20 C], daily average23 mg/L≤ 20 mg/L15%
April 2026Nitrogen, ammonia total [as N], daily average11.034 lb/d≤ 10 lb/d10%
April 2026Nitrogen, ammonia total [as N], daily average7.28 mg/L≤ 3 mg/L143%
April 2026Solids, total suspended, daily average22 mg/L≤ 20 mg/L10%
June 2026Solids, total suspended, daily average33 mg/L≤ 20 mg/L65%
July 2026Oxygen, dissolved [DO], monthly minimum2.3 mg/L≥ 4 mg/L43%
September 2026Solids, total suspended, daily average21 mg/L≤ 20 mg/L5%
September 2026pH, maximum9.5 SU≤ 9 SU—

Limits in force (24)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 4 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 20 mg/LApr–Oct
Solids, total suspendeddaily average≤ 30 mg/LJan, Feb, Mar, Nov, Dec
Solids, total suspendedsingle grab sample≤ 65 mg/LApr–Oct
Solids, total suspendedsingle grab sample≤ 100 mg/LJan, Feb, Mar, Nov, Dec
Solids, total suspendeddaily average≤ 67 lb/dApr–Oct
Solids, total suspendeddaily average≤ 100 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily average≤ 3 mg/Lall year
Nitrogen, ammonia total [as N]single grab sample≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]daily average≤ 10 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .4 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 CFU/100mLall year
E. colisingle grab sample≤ 399 CFU/100mLall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 30 mg/LJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily average≤ 20 mg/LApr–Oct
BOD, carbonaceous [5 day, 20 C]single grab sample≤ 100 mg/LJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]single grab sample≤ 65 mg/LApr–Oct
BOD, carbonaceous [5 day, 20 C]daily average≤ 100 lb/dJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily average≤ 67 lb/dApr–Oct

How strict are these limits?

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/TX0106551 · MCP: https://passage-data.com/mcp