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Jonesboro Town of - East Oxidation Pond

Sewage treatment plant, Jonesboro, Louisiana. NPDES permit LA0038539, in force until Sep 30, 2031. Last 12 months: over a limit 5 times (last May 2026), 10 required values missing, 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 16 reports late

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

Period endingParameterReportedLimitOver by
December 2025Coliform, fecal general, weekly geometric mean> 4000 #/100mL≤ 400 #/100mL—
January 2026Coliform, fecal general, weekly geometric mean1164 #/100mL≤ 400 #/100mL191%
March 2026Coliform, fecal general, weekly geometric mean688 #/100mL≤ 400 #/100mL72%
April 2026Coliform, fecal general, weekly geometric mean2880 #/100mL≤ 400 #/100mL620%
May 2026Coliform, fecal general, weekly geometric mean520 #/100mL≤ 400 #/100mL30%

Limits in force (28)

ParameterStatisticLimitMonths
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 90 mg/Lall year
Solids, total suspendedweekly average≤ 135 mg/Lall year
Solids, total suspendedmonthly average≤ 225 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedweekly 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 averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]weekly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)all 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 plantweekly averagereport only (MGD)all year
Chlorine, total residualinstantaneous maximumreport only (mg/L)all year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 30 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 45 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 75 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 Oct 1, 2029

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Chlorine, total residual, instantaneous maximum0.033 mg/Lnew——
Nitrogen, ammonia total [as N], monthly average30.3 lb/dnew——
Nitrogen, ammonia total [as N], monthly average12.1 mg/Lnew——
Nitrogen, ammonia total [as N], weekly average12.1 mg/Lnew——

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/LA0038539 · MCP: https://passage-data.com/mcp