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Joaquin, City of

Sewage treatment plant, Joaquin, Texas. NPDES permit TX0141470, in force until May 12, 2027. Last 12 months: over a limit 58 times (last August 2026), 36 required values missing, 6 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (18 values)
Renewal application due
Nov 13, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
95 values over a limit, 144 required values missing, 12 of 12 reports late

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

All 58 values over a limit
Period endingParameterReportedLimitOver by
December 2025E. coli, daily average148 CFU/100mL≤ 126 CFU/100mL17%
December 2025Nitrogen, ammonia total [as N], daily average6.26 lb/d≤ 2.3 lb/d172%
December 2025Nitrogen, ammonia total [as N], daily average6.57 mg/L≤ 2 mg/L229%
January 2026BOD, carbonaceous [5 day, 20 C], daily average24.2 lb/d≤ 8 lb/d203%
January 2026BOD, carbonaceous [5 day, 20 C], daily average26.4 mg/L≤ 7 mg/L277%
January 2026BOD, carbonaceous [5 day, 20 C], single grab sample40 mg/L≤ 32 mg/L25%
January 2026Nitrogen, ammonia total [as N], daily average6.23 lb/d≤ 2.3 lb/d171%
January 2026Nitrogen, ammonia total [as N], daily average6.7 mg/L≤ 2 mg/L235%
January 2026Solids, total suspended, daily average29.7 lb/d≤ 17 lb/d75%
January 2026Solids, total suspended, daily average30 mg/L≤ 15 mg/L100%
February 2026BOD, carbonaceous [5 day, 20 C], daily average16.3 lb/d≤ 8 lb/d104%
February 2026BOD, carbonaceous [5 day, 20 C], daily average22.7 mg/L≤ 7 mg/L224%
February 2026BOD, carbonaceous [5 day, 20 C], single grab sample36 mg/L≤ 32 mg/L13%
February 2026Chlorine, total residual, monthly minimum.4 mg/L≥ 1 mg/L60%
February 2026Nitrogen, ammonia total [as N], daily average10.2 mg/L≤ 2 mg/L410%
February 2026Nitrogen, ammonia total [as N], daily average6.96 lb/d≤ 2.3 lb/d203%
February 2026Nitrogen, ammonia total [as N], single grab sample18.7 mg/L≤ 15 mg/L25%
February 2026Oxygen, dissolved [DO], monthly minimum2.5 mg/L≥ 4 mg/L38%
February 2026Solids, total suspended, daily average17.5 mg/L≤ 15 mg/L17%
February 2026Solids, total suspended, daily average24.6 lb/d≤ 17 lb/d45%
February 2026pH, maximum9.79 SU≤ 9 SU—
March 2026Nitrogen, ammonia total [as N], daily average6.32 mg/L≤ 2 mg/L216%
March 2026Nitrogen, ammonia total [as N], daily average7.34 lb/d≤ 2.3 lb/d219%
April 2026BOD, carbonaceous [5 day, 20 C], daily average7.48 mg/L≤ 7 mg/L7%
April 2026BOD, carbonaceous [5 day, 20 C], daily average8.55 lb/d≤ 8 lb/d7%
April 2026E. coli, daily average488 CFU/100mL≤ 126 CFU/100mL287%
April 2026E. coli, single grab sample488 CFU/100mL≤ 399 CFU/100mL22%
April 2026Nitrogen, ammonia total [as N], daily average6.86 lb/d≤ 2.3 lb/d198%
April 2026Nitrogen, ammonia total [as N], daily average7.31 mg/L≤ 2 mg/L266%
May 2026BOD, carbonaceous [5 day, 20 C], daily average17.7 lb/d≤ 8 lb/d121%
May 2026BOD, carbonaceous [5 day, 20 C], daily average9.65 mg/L≤ 7 mg/L38%
May 2026Nitrogen, ammonia total [as N], daily average12.1 lb/d≤ 2.3 lb/d426%
May 2026Nitrogen, ammonia total [as N], daily average8.82 mg/L≤ 2 mg/L341%
May 2026Solids, total suspended, daily average21.6 mg/L≤ 15 mg/L44%
May 2026Solids, total suspended, daily average42.4 lb/d≤ 17 lb/d149%
June 2026BOD, carbonaceous [5 day, 20 C], daily average12.8 mg/L≤ 7 mg/L83%
June 2026BOD, carbonaceous [5 day, 20 C], daily average9.44 lb/d≤ 8 lb/d18%
June 2026BOD, carbonaceous [5 day, 20 C], single grab sample33 mg/L≤ 32 mg/L3%
June 2026Nitrogen, ammonia total [as N], daily average10.2 mg/L≤ 2 mg/L410%
June 2026Nitrogen, ammonia total [as N], daily average3.53 lb/d≤ 2.3 lb/d53%
June 2026Nitrogen, ammonia total [as N], single grab sample19.624 mg/L≤ 15 mg/L31%
June 2026Solids, total suspended, daily average18.2 mg/L≤ 15 mg/L21%
June 2026pH, minimum5.86 SU≥ 6 SU—
July 2026BOD, carbonaceous [5 day, 20 C], daily average10.9 mg/L≤ 7 mg/L56%
July 2026BOD, carbonaceous [5 day, 20 C], daily average8.41 lb/d≤ 8 lb/d5%
July 2026E. coli, daily average4840 CFU/100mL≤ 126 CFU/100mL3741%
July 2026E. coli, single grab sample4840 CFU/100mL≤ 399 CFU/100mL1113%
July 2026Nitrogen, ammonia total [as N], daily average10.2 mg/L≤ 2 mg/L410%
July 2026Nitrogen, ammonia total [as N], daily average8.68 lb/d≤ 2.3 lb/d277%
July 2026Oxygen, dissolved [DO], monthly minimum3.7 mg/L≥ 4 mg/L8%
August 2026BOD, carbonaceous [5 day, 20 C], daily average9.88 mg/L≤ 7 mg/L41%
August 2026Chlorine, total residual, monthly minimum.12 mg/L≥ 1 mg/L88%
August 2026E. coli, daily average230 CFU/100mL≤ 126 CFU/100mL83%
August 2026Flow, in conduit or thru treatment plant, daily average.85512 MGD≤ .137 MGD524%
August 2026Nitrogen, ammonia total [as N], daily average10.4 mg/L≤ 2 mg/L420%
August 2026Nitrogen, ammonia total [as N], daily average2.99 lb/d≤ 2.3 lb/d30%
August 2026Nitrogen, ammonia total [as N], single grab sample16.1 mg/L≤ 15 mg/L7%
August 2026Oxygen, dissolved [DO], monthly minimum3.9 mg/L≥ 4 mg/L3%

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 suspendedsingle grab sample≤ 60 mg/Lall year
Solids, total suspendeddaily average≤ 17 lb/dall year
Nitrogen, ammonia total [as N]daily average≤ 2 mg/Lall year
Nitrogen, ammonia total [as N]single grab sample≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]daily average≤ 2.3 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .137 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≤ 7 mg/Lall year
BOD, carbonaceous [5 day, 20 C]single grab sample≤ 32 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily average≤ 8 lb/dall year

How strict are these limits?

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

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