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Pasadena, City of

Sewage treatment plant, major discharger, Pasadena, Texas. NPDES permit TX0134813, in force until Jun 19, 2029. Last 12 months: over a limit 19 times (last September 2026), 6 of 17 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (20 values), outfall TX1 form Q quarterly (20 values), outfall TXA form S twice a year
Last report on file
September 2026
Oct 2024 – Sep 2025
17 values over a limit, 18 required values missing, 4 of 18 reports late

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

All 19 values over a limit
Period endingOutfallParameterReportedLimitOver by
October 2025001Enterococci, daily maximum172 CFU/100mL≤ 104 CFU/100mL65%
October 2025001Solids, total suspended, daily maximum99 mg/L≤ 40 mg/L148%
November 2025001Solids, total suspended, daily maximum51 mg/L≤ 40 mg/L28%
December 2025001Solids, total suspended, daily maximum46 mg/L≤ 40 mg/L15%
January 2026001Enterococci, daily maximum326 CFU/100mL≤ 104 CFU/100mL213%
January 2026001Solids, total suspended, daily maximum105 mg/L≤ 40 mg/L163%
February 2026001Solids, total suspended, daily maximum44 mg/L≤ 40 mg/L10%
March 2026001Solids, total suspended, daily maximum66 mg/L≤ 40 mg/L65%
April 2026001Enterococci, daily maximum1990 CFU/100mL≤ 104 CFU/100mL1813%
April 2026001Solids, total suspended, daily maximum156 mg/L≤ 40 mg/L290%
May 2026001Solids, total suspended, daily average70.42 mg/L≤ 15 mg/L369%
May 2026001Solids, total suspended, daily maximum990 mg/L≤ 40 mg/L2375%
June 2026001Enterococci, daily maximum261 CFU/100mL≤ 104 CFU/100mL151%
June 2026001Solids, total suspended, daily average16.81 mg/L≤ 15 mg/L12%
June 2026001Solids, total suspended, daily maximum152 mg/L≤ 40 mg/L280%
July 2026001Enterococci, daily maximum345 CFU/100mL≤ 104 CFU/100mL232%
August 2026001Enterococci, daily maximum452 CFU/100mL≤ 104 CFU/100mL335%
September 2026TX1Whole Effluent Toxicity [WET] - P. promelas, 48-hour minimum56 %≥ 100 %44%
September 2026TX1Whole Effluent Toxicity [WET] - P. promelas, monthly average minimum56 %≥ 100 %44%

Limits in force (44)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly minimum≥ 4 mg/Lall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendeddaily average≤ 15 mg/Lall year001
Solids, total suspendeddaily maximum≤ 40 mg/Lall year001
Solids, total suspendeddaily average≤ 1251 lb/dall year001
Nitrogen, ammonia total [as N]daily average≤ 3 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/Lall year001
Nitrogen, ammonia total [as N]daily average≤ 350 lb/dall year001
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plant2-hour peak≤ 20834 gal/minall year001
Flow, in conduit or thru treatment plantannual average≤ 10 MGDall year001
Chlorine, total residualinstantaneous maximum< .1 mg/Lall year001
Chlorine, total residualmonthly minimum≥ 1 mg/Lall year001
Enterococcidaily average≤ 35 CFU/100mLall year001
Enterococcidaily maximum≤ 104 CFU/100mLall year001
BOD, carbonaceous [5 day, 20 C]daily average≤ 10 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]daily average≤ 834 lb/dall year001
Whole effluent toxicity - retest #148-hour minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #248-hour minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all yearTX1
Whole Effluent Toxicity [WET] - D. pulex48-hour minimum≥ 100 %all yearTX1
Whole Effluent Toxicity [WET] - D. pulexmonthly average minimum≥ 100 %all yearTX1
Whole Effluent Toxicity [WET] - P. promelas48-hour minimum≥ 100 %all yearTX1
Whole Effluent Toxicity [WET] - P. promelasmonthly average minimum≥ 100 %all yearTX1
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48-hour minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexmonthly average minimumreport only (pass=0;fail=1)all yearTX1
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (pass=0;fail=1)all yearTX1
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasmonthly average minimumreport only (pass=0;fail=1)all yearTX1
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48-hour minimumreport only (%)all yearTX1
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexmonthly average minimumreport only (%)all yearTX1
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48-hour minimumreport only (%)all yearTX1
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasmonthly average minimumreport only (%)all yearTX1
LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex48-hour minimumreport only (%)all yearTX1
LOAEC Lethal Static Renewal 48HR Acute Daphnia pulexmonthly average minimumreport only (%)all yearTX1
LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (%)all yearTX1
LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelasmonthly average minimumreport only (%)all yearTX1
Whole effluent toxicity - retest #1single samplereport only (pass=0;fail=1)all yearTXA
Whole effluent toxicity - retest #2single samplereport only (pass=0;fail=1)all yearTXA
LC50 Pass/Fail Static 24Hr Acute D. Pulexsingle samplereport only (pass=0;fail=1)all yearTXA
LC50 Pass/Fail Static 24Hr Acute Pimephales promelassingle samplereport only (pass=0;fail=1)all yearTXA

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/TX0134813 · MCP: https://passage-data.com/mcp