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Orange, City of

Sewage treatment plant, major discharger, Orange, Texas. NPDES permit TX0073423 expired Apr 1, 2021; its limits still apply. Last 12 months: over a limit 49 times (last August 2026), 10 of 38 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (21 values), outfall 002 form A monthly (27 values), outfall SUM form A monthly (2 values), outfall TX1 form Q quarterly (24 values), outfall TXA form S twice a year
Last report on file
August 2026
Oct 2024 – Sep 2025
38 values over a limit, 14 required values missing, 3 of 42 reports late

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

All 49 values over a limit
Period endingOutfallParameterReportedLimitOver by
October 2025001Enterococci, daily average131 CFU/100mL≤ 35 CFU/100mL274%
October 2025001Enterococci, daily maximum2420 CFU/100mL≤ 104 CFU/100mL2227%
October 2025001Oxygen, dissolved [DO], monthly minimum.9 mg/L≥ 2 mg/L55%
October 2025002Copper, total [as Cu], daily average.0099 mg/L≤ .0072 mg/L38%
October 2025002Copper, total [as Cu], daily maximum.0198 mg/L≤ .0153 mg/L29%
October 2025002Enterococci, daily average429 CFU/100mL≤ 35 CFU/100mL1126%
October 2025002Enterococci, daily maximum2420 CFU/100mL≤ 104 CFU/100mL2227%
October 2025002Zinc, total [as Zn], daily average.1242 mg/L≤ .0752 mg/L65%
October 2025002Zinc, total [as Zn], daily maximum.1996 mg/L≤ .1591 mg/L25%
November 2025001Enterococci, daily maximum687 CFU/100mL≤ 104 CFU/100mL561%
December 2025001Enterococci, daily maximum2420 CFU/100mL≤ 104 CFU/100mL2227%
December 2025001Solids, total suspended, daily maximum53 mg/L≤ 45 mg/L18%
December 2025002Enterococci, daily average91 CFU/100mL≤ 35 CFU/100mL160%
December 2025002Enterococci, daily maximum2420 CFU/100mL≤ 104 CFU/100mL2227%
December 2025002Solids, total suspended, daily maximum53 mg/L≤ 45 mg/L18%
January 2026001Enterococci, daily average138 CFU/100mL≤ 35 CFU/100mL294%
January 2026001Enterococci, daily maximum2420 CFU/100mL≤ 104 CFU/100mL2227%
January 2026001Solids, total suspended, daily maximum106 mg/L≤ 45 mg/L136%
January 2026002Enterococci, daily average728 CFU/100mL≤ 35 CFU/100mL1980%
January 2026002Enterococci, daily maximum2420 CFU/100mL≤ 104 CFU/100mL2227%
February 2026001Enterococci, daily average42 CFU/100mL≤ 35 CFU/100mL20%
February 2026001Enterococci, daily maximum2420 CFU/100mL≤ 104 CFU/100mL2227%
March 2026001Enterococci, daily average106 CFU/100mL≤ 35 CFU/100mL203%
March 2026001Enterococci, daily maximum2420 CFU/100mL≤ 104 CFU/100mL2227%
March 2026001Solids, total suspended, daily maximum250 mg/L≤ 45 mg/L456%
April 2026001Enterococci, daily average189 CFU/100mL≤ 35 CFU/100mL440%
April 2026001Enterococci, daily maximum2420 CFU/100mL≤ 104 CFU/100mL2227%
April 2026002Enterococci, daily average185 CFU/100mL≤ 35 CFU/100mL429%
April 2026002Enterococci, daily maximum185 CFU/100mL≤ 104 CFU/100mL78%
May 2026001Enterococci, daily average223 CFU/100mL≤ 35 CFU/100mL537%
May 2026001Enterococci, daily maximum2420 CFU/100mL≤ 104 CFU/100mL2227%
May 2026001Solids, total suspended, daily maximum54 mg/L≤ 45 mg/L20%
May 2026002Copper, total [as Cu], daily average.012 mg/L≤ .0072 mg/L67%
May 2026002Copper, total [as Cu], daily maximum.0166 mg/L≤ .0153 mg/L8%
May 2026002Enterococci, daily average1493 CFU/100mL≤ 35 CFU/100mL4166%
May 2026002Enterococci, daily maximum2420 CFU/100mL≤ 104 CFU/100mL2227%
May 2026002Solids, total suspended, daily average32 mg/L≤ 20 mg/L60%
May 2026002Solids, total suspended, daily maximum83 mg/L≤ 45 mg/L84%
June 2026001Enterococci, daily average284 CFU/100mL≤ 35 CFU/100mL711%
June 2026001Enterococci, daily maximum2420 CFU/100mL≤ 104 CFU/100mL2227%
June 2026002Enterococci, daily average695 CFU/100mL≤ 35 CFU/100mL1886%
June 2026002Enterococci, daily maximum2420 CFU/100mL≤ 104 CFU/100mL2227%
July 2026001Enterococci, daily average223 CFU/100mL≤ 35 CFU/100mL537%
July 2026001Enterococci, daily maximum2420 CFU/100mL≤ 104 CFU/100mL2227%
July 2026001Solids, total suspended, daily maximum239 mg/L≤ 45 mg/L431%
July 2026002Enterococci, daily average116 CFU/100mL≤ 35 CFU/100mL231%
July 2026002Enterococci, daily maximum2420 CFU/100mL≤ 104 CFU/100mL2227%
August 2026001Enterococci, daily average208 CFU/100mL≤ 35 CFU/100mL494%
August 2026001Enterococci, daily maximum2420 CFU/100mL≤ 104 CFU/100mL2227%

Limits in force (76)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly minimum≥ 2 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily average≤ 20 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily average≤ 1168 lb/dall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendeddaily average≤ 20 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Solids, total suspendeddaily average≤ 1168 lb/dall year001
Copper, total [as Cu]daily average≤ .0236 mg/Lall year001
Copper, total [as Cu]daily maximum≤ .05 mg/Lall year001
Copper, total [as Cu]daily average≤ 1.38 lb/dall year001
Zinc, total [as Zn]daily average≤ .224 mg/Lall year001
Zinc, total [as Zn]daily maximum≤ .474 mg/Lall year001
Zinc, total [as Zn]daily average≤ 13.1 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≤ 11111 gal/minall year001
Flow, in conduit or thru treatment plantannual average≤ 7 MGDall year001
Enterococcidaily average≤ 35 CFU/100mLall year001
Enterococcidaily maximum≤ 104 CFU/100mLall year001
Oxygen, dissolved [DO]monthly minimum≥ 2 mg/Lall year002
BOD, 5-day, 20 deg. Cdaily average≤ 20 mg/Lall year002
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year002
BOD, 5-day, 20 deg. Cdaily average≤ 1168 lb/dall year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendeddaily average≤ 20 mg/Lall year002
Solids, total suspendeddaily maximum≤ 45 mg/Lall year002
Solids, total suspendeddaily average≤ 1168 lb/dall year002
Nitrogen, ammonia total [as N]daily averagereport only (mg/L)all year002
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year002
Nitrogen, ammonia total [as N]daily averagereport only (lb/d)all year002
Copper, total [as Cu]daily average≤ .0072 mg/Lall year002
Copper, total [as Cu]daily maximum≤ .0153 mg/Lall year002
Copper, total [as Cu]daily average≤ .42 lb/dall year002
Zinc, total [as Zn]daily average≤ .0752 mg/Lall year002
Zinc, total [as Zn]daily maximum≤ .1591 mg/Lall year002
Zinc, total [as Zn]daily average≤ 4.39 lb/dall year002
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Flow, in conduit or thru treatment plant2-hour peak≤ 5556 gal/minall year002
Flow, in conduit or thru treatment plantannual average≤ 7 MGDall year002
Enterococcidaily average≤ 35 CFU/100mLall year002
Enterococcidaily maximum≤ 104 CFU/100mLall year002
Mercury, total [as Hg]daily averagereport only (mg/L)all year002
Mercury, total [as Hg]daily maximumreport only (mg/L)all year002
Mercury, total [as Hg]daily averagereport only (lb/d)all year002
Flow, in conduit or thru treatment plantannual average≤ 7 MGDall yearSUM
Flow, in conduit or thru treatment plant2-hour peak≤ 16667 gal/minall yearSUM
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7-day minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)averagereport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (pass=0;fail=1)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)averagereport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)averagereport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (%)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (pass=0;fail=1)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7-day minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)monthly average minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (%)all yearTX1
LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)single samplereport only (pass=0;fail=1)all yearTXA
LC50 Pass/Fail Static 24Hr Acute Menidia menidiasingle samplereport only (pass=0;fail=1)all yearTXA

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/TX0073423 · MCP: https://passage-data.com/mcp