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Newellton Town of - Town of Newellton WWTP

Sewage treatment plant, Newellton, Louisiana. NPDES permit LA0020095, in force until Nov 30, 2030. Last 12 months: over a limit 4 times (last January 2026), 146 required values missing, 9 of 13 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly, form Q quarterly, form Y yearly
Last report on file
May 2026
Oct 2024 – Sep 2025
0 values over a limit, 108 required values missing, 12 of 16 reports late

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

Period endingParameterReportedLimitOver by
January 2026Coliform, fecal general, monthly geometric mean660 #/100mL≤ 200 #/100mL230%
January 2026Coliform, fecal general, monthly geometric mean660 #/100mL≤ 200 #/100mL230%
January 2026Coliform, fecal general, weekly geometric mean660 #/100mL≤ 400 #/100mL65%
January 2026Coliform, fecal general, weekly geometric mean660 #/100mL≤ 400 #/100mL65%

Limits in force (48)

ParameterStatisticLimitMonths
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≤ 90 lb/dall year
Solids, total suspendedmonthly average≤ 90 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedweekly averagereport only (mg/L)all year
Oil & Greaseweekly averagereport only (mg/L)all 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≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 60 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 60 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
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
Solids, total dissolvedmonthly averagereport only (mg/L)all year
Solids, total dissolvedweekly averagereport only (mg/L)all year
Solids, total dissolvedmonthly 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≤ 60 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 60 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (mg/L)all year
BOD, carbonaceous, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year

New limits from Dec 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Nitrogen, ammonia total [as N], monthly average0.1 mg/Ltighter4.16 mg/L (5 values, 1 below detection)41.6×
Nitrogen, ammonia total [as N], monthly average0.7 lb/dtighter0.83 lb/d (5 values)1.19×
Nitrogen, ammonia total [as N], weekly average0.4 mg/Ltighter4.43 mg/L (5 values, 1 below detection)11.1×
Chlorine, total residual, instantaneous maximum0.033 mg/Lnew——
Solids, total dissolved, monthly average285 mg/Lnew——
Solids, total dissolved, monthly average1709 lb/dnew——
Solids, total dissolved, weekly average677 mg/Lnew——

How strict are these limits?

Cited limits by parameter: Louisiana'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/LA0020095 · MCP: https://passage-data.com/mcp