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Ball, Town of

Sewage treatment plant, Ball, Louisiana. NPDES permit LA0079545, in force until Dec 31, 2029. Last 12 months: over a limit 26 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A quarterly (13 values), outfall 001 form Q quarterly (6 values), outfall 002 form A quarterly (2 values), outfall 002 form Q quarterly (12 values), outfall 001 form Y yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
26 values over a limit, 0 required values missing, 0 of 32 reports late

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

All 26 values over a limit
Period endingParameterReportedLimitOver by
October 2025Coliform, fecal general, weekly geometric mean> 2410 #/100mL≤ 400 #/100mL—
November 2025Coliform, fecal general, monthly geometric mean1077.78 #/100mL≤ 200 #/100mL439%
November 2025Coliform, fecal general, weekly geometric mean2420 #/100mL≤ 400 #/100mL505%
December 2025BOD, 5-day, 20 deg. C, monthly average212.89 lb/d≤ 188 lb/d13%
December 2025BOD, 5-day, 20 deg. C, monthly average41 mg/L≤ 30 mg/L37%
December 2025BOD, 5-day, 20 deg. C, weekly average57 mg/L≤ 45 mg/L27%
December 2025BOD, percent removal [total], monthly average minimum42.86 %≥ 85 %281%
December 2025Coliform, fecal general, monthly geometric mean1323.66 #/100mL≤ 200 #/100mL562%
December 2025Coliform, fecal general, weekly geometric mean2410 #/100mL≤ 400 #/100mL503%
December 2025Solids, suspended percent removal, monthly average minimum15.05 %≥ 85 %466%
February 2026BOD, 5-day, 20 deg. C, monthly average228.4 lb/d≤ 188 lb/d21%
February 2026BOD, 5-day, 20 deg. C, monthly average44.5 mg/L≤ 30 mg/L48%
February 2026BOD, 5-day, 20 deg. C, weekly average52 mg/L≤ 45 mg/L16%
March 2026BOD, 5-day, 20 deg. C, monthly average33.5 mg/L≤ 30 mg/L12%
March 2026Coliform, fecal general, weekly geometric mean691 #/100mL≤ 400 #/100mL73%
April 2026Coliform, fecal general, monthly geometric mean308 #/100mL≤ 200 #/100mL54%
May 2026Coliform, fecal general, monthly geometric mean441.98 #/100mL≤ 200 #/100mL121%
May 2026Coliform, fecal general, weekly geometric mean649 #/100mL≤ 400 #/100mL62%
June 2026Coliform, fecal general, monthly geometric mean742.81 #/100mL≤ 200 #/100mL271%
June 2026Coliform, fecal general, weekly geometric mean2420 #/100mL≤ 400 #/100mL505%
July 2026Coliform, fecal general, monthly geometric mean1008.75 #/100mL≤ 200 #/100mL404%
July 2026Coliform, fecal general, weekly geometric mean1660 #/100mL≤ 400 #/100mL315%
August 2026Coliform, fecal general, monthly geometric mean675.43 #/100mL≤ 200 #/100mL238%
August 2026Coliform, fecal general, weekly geometric mean1110 #/100mL≤ 400 #/100mL178%
September 2026Coliform, fecal general, monthly geometric mean488.24 #/100mL≤ 200 #/100mL144%
September 2026Coliform, fecal general, weekly geometric mean548 #/100mL≤ 400 #/100mL37%

Limits in force (43)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 188 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 90 mg/Lall year001
Solids, total suspendedweekly average≤ 135 mg/Lall year001
Solids, total suspendedmonthly average≤ 563 lb/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendedweekly averagereport only (mg/L)all 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 plantweekly averagereport only (MGD)all year001
Chlorine, total residualinstantaneous maximumreport only (mg/L)all year001
BOD, percent removal [total]monthly average minimum≥ 85 %all year001
Mercury, total [as Hg]monthly averagereport only (mg/L)all year001
Mercury, total [as Hg]weekly averagereport only (mg/L)all year001
Mercury, total [as Hg]monthly averagereport only (lb/d)all year001
Mercury, total [as Hg]weekly averagereport only (lb/d)all year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year002
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year002
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Solids, total suspendedmonthly averagereport only (mg/L)all year002
Solids, total suspendedweekly averagereport only (mg/L)all year002
Nitrogen, total [as N]daily maximumreport only (mg/L)all year002
Nitrogen, total [as N]weekly averagereport only (mg/L)all year002
Phosphorus, total [as P]monthly averagereport only (mg/L)all year002
Phosphorus, total [as P]weekly averagereport only (mg/L)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year002
Coliform, fecal generalmonthly geometric meanreport only (#/100mL)all year002
Coliform, fecal generalweekly geometric meanreport only (#/100mL)all year002

New limits from Jan 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Chlorine, total residual, instantaneous maximum0.033 mg/Lnew0.585 mg/L (12 values)17.7×

Cited limits by parameter: Louisiana's rules and the federal ones.

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