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Rosenberg, City of

Sewage treatment plant, major discharger, Rosenberg, Texas. NPDES permit TX0024490, in force until Feb 14, 2030. Last 12 months: over a limit 12 times (last August 2026), 1 of 28 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (18 values), outfall 101 form A monthly (3 values), outfall TX1 form Q quarterly (16 values), outfall TXA form S twice a year
Last report on file
September 2026
Oct 2024 – Sep 2025
12 values over a limit, 0 required values missing, 1 of 28 reports late

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

Period endingParameterReportedLimitOver by
January 2026E. coli, daily maximum2420 CFU/100mL≤ 399 CFU/100mL507%
February 2026E. coli, daily average505 CFU/100mL≤ 126 CFU/100mL301%
February 2026E. coli, daily maximum2420 CFU/100mL≤ 399 CFU/100mL507%
February 2026Nitrogen, ammonia total [as N], daily average4.13 mg/L≤ 3 mg/L38%
February 2026Nitrogen, ammonia total [as N], daily maximum36 mg/L≤ 10 mg/L260%
March 2026E. coli, daily maximum4800 CFU/100mL≤ 399 CFU/100mL1103%
April 2026BOD, carbonaceous [5 day, 20 C], daily average11.3 mg/L≤ 10 mg/L13%
April 2026BOD, carbonaceous [5 day, 20 C], daily maximum44 mg/L≤ 25 mg/L76%
April 2026E. coli, daily maximum2400 CFU/100mL≤ 399 CFU/100mL502%
June 2026E. coli, daily maximum920 CFU/100mL≤ 399 CFU/100mL131%
June 2026Nitrogen, ammonia total [as N], daily maximum25 mg/L≤ 10 mg/L150%
August 2026E. coli, daily maximum> 2420 CFU/100mL≤ 399 CFU/100mL—

Limits in force (41)

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≤ 563 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≤ 113 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≤ 12500 gal/minall year001
Flow, in conduit or thru treatment plantannual average≤ 4.5 MGDall year001
E. colidaily average≤ 126 CFU/100mLall year001
E. colidaily maximum≤ 399 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≤ 375 lb/dall year001
BOD, 5-day, 20 deg. Cdaily averagereport only (mg/L)all year101
BOD, 5-day, 20 deg. Cdaily averagereport only (lb/d)all year101
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year101
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
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

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/TX0024490 · MCP: https://passage-data.com/mcp