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Town of Jonesboro

Sewage treatment plant, Jonesboro, Louisiana. NPDES permit LA0038547, in force until Aug 31, 2028. Last 12 months: over a limit 9 times (last June 2026), 1 required value missing, 1 of 21 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A quarterly (26 values), outfall 001 form Q quarterly (6 values), outfall 01A form A quarterly (6 values)
Renewal application due
Mar 4, 2028 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
10 values over a limit, 42 required values missing, 8 of 28 reports late

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

Period endingParameterReportedLimitOver by
December 2025Coliform, fecal general, weekly geometric mean1124 #/100mL≤ 400 #/100mL181%
April 2026Coliform, fecal general, monthly geometric mean207 #/100mL≤ 200 #/100mL4%
April 2026Coliform, fecal general, weekly geometric mean860 #/100mL≤ 400 #/100mL115%
May 2026Coliform, fecal general, monthly geometric mean422 #/100mL≤ 200 #/100mL111%
May 2026Coliform, fecal general, weekly geometric mean1780 #/100mL≤ 400 #/100mL345%
May 2026Solids, total suspended, monthly average257 lb/d≤ 225 lb/d14%
May 2026pH, instantaneous maximum9.12 SU≤ 9 SU—
June 2026Coliform, fecal general, monthly geometric mean246 #/100mL≤ 200 #/100mL23%
June 2026Coliform, fecal general, weekly geometric mean1210 #/100mL≤ 400 #/100mL203%

Limits in force (38)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Solids, total suspendedweekly average≤ 23 mg/Lall year001
Solids, total suspendedweekly average≤ 23 mg/Lall year001
Solids, total suspendedmonthly average≤ 37.5 lb/dall year001
Solids, total suspendedmonthly average≤ 37.5 lb/dall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]weekly averagereport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]weekly averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year001
Chlorine, total residualinstantaneous maximum≤ .033 mg/Lall year001
Chlorine, total residualinstantaneous maximum≤ .033 mg/Lall year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 lb/dall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 lb/dall year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year01A
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year01A
Nitrogen, ammonia total [as N]weekly averagereport only (mg/L)all year01A
Nitrogen, ammonia total [as N]weekly averagereport only (mg/L)all year01A
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)all year01A
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)all year01A

New limits from Sep 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Nitrogen, ammonia total [as N], monthly average6.1 lb/dnew15.4 lb/d (9 values)2.52×
Nitrogen, ammonia total [as N], monthly average2.4 mg/Lnew12.4 mg/L (9 values)5.17×
Nitrogen, ammonia total [as N], weekly average5.5 mg/Lnew12.4 mg/L (9 values)2.25×

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/LA0038547 · MCP: https://passage-data.com/mcp