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Town of Independence- Wastewater Treatment Plant

Sewage treatment plant, Independence, Louisiana. NPDES permit LA0042544, in force until Oct 31, 2027. Last 12 months: over a limit 14 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (32 values), form Q quarterly (23 values), form Y yearly
Renewal application due
May 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
11 values over a limit, 0 required values missing, 13 of 17 reports late

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

All 14 values over a limit
Period endingParameterReportedLimitOver by
December 2025Polychlorinated biphenyls [PCBs], daily maximum< .02 lb/d≤ .0002 lb/d9900%
December 2025Polychlorinated biphenyls [PCBs], monthly average< .02 lb/d≤ .00007 lb/d28471%
December 2025Toxaphene, daily maximum< .005 lb/d≤ .0002 lb/d2400%
December 2025Toxaphene, monthly average< .005 lb/d≤ .00008 lb/d6150%
March 2026Hexachlorobenzene, daily maximum< .009 lb/d≤ .002 lb/d350%
March 2026Hexachlorobenzene, monthly average< .009 lb/d≤ .0007 lb/d1186%
March 2026Polychlorinated biphenyls [PCBs], monthly average< .0001 lb/d≤ .00007 lb/d43%
March 2026Toxaphene, daily maximum< .0008 lb/d≤ .0002 lb/d300%
March 2026Toxaphene, monthly average< .0008 lb/d≤ .00008 lb/d900%
June 2026Hexachlorobenzene, daily maximum< .008 lb/d≤ .002 lb/d300%
June 2026Hexachlorobenzene, monthly average< .008 lb/d≤ .0007 lb/d1043%
June 2026Polychlorinated biphenyls [PCBs], monthly average< .0001 lb/d≤ .00007 lb/d43%
June 2026Toxaphene, daily maximum< .0008 lb/d≤ .0002 lb/d300%
June 2026Toxaphene, monthly average< .0008 lb/d≤ .00008 lb/d900%

Limits in force (56)

ParameterStatisticLimitMonths
Turbiditymonthly averagereport only (NTU)all year
Turbidityweekly averagereport only (NTU)all year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspendedweekly average≤ 23 mg/Lall year
Solids, total suspendedweekly average≤ 23 mg/Lall year
Solids, total suspendedmonthly average≤ 88 lb/dall year
Solids, total suspendedmonthly average≤ 88 lb/dall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]weekly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 29 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 29 lb/dall year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]weekly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Toxaphenemonthly averagereport only (mg/L)all year
Toxaphenedaily maximumreport only (mg/L)all year
Toxaphenemonthly average≤ .00008 lb/dall year
Toxaphenedaily maximum≤ .0002 lb/dall year
Polychlorinated biphenyls [PCBs]monthly averagereport only (mg/L)all year
Polychlorinated biphenyls [PCBs]daily maximumreport only (mg/L)all year
Polychlorinated biphenyls [PCBs]monthly average≤ .00007 lb/dall year
Polychlorinated biphenyls [PCBs]daily maximum≤ .0002 lb/dall year
Hexachlorobenzenemonthly averagereport only (mg/L)all year
Hexachlorobenzenedaily maximumreport only (mg/L)all year
Hexachlorobenzenemonthly average≤ .0007 lb/dall year
Hexachlorobenzenedaily maximum≤ .002 lb/dall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year
Chlorine, total residualinstantaneous maximumreport only (mg/L)all year
Chlorine, total residualinstantaneous maximumreport only (mg/L)all year
Priority pollutants scan [yes/no]minimum≥ 1 N=0;Y=1all year
Mercury, total [as Hg]monthly averagereport only (mg/L)all year
Mercury, total [as Hg]weekly averagereport only (mg/L)all year
Mercury, total [as Hg]monthly averagereport only (lb/d)all year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 58 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 58 lb/dall year

How strict are these limits?

Cited limits by parameter: Louisiana'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/LA0042544 · MCP: https://passage-data.com/mcp