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City of Baton Rouge/Parish of Ebr - Pleasant Park Subdivision #357

Sewerage Systems, Zachary, Louisiana. NPDES permit LA0127763, in force until Jan 31, 2030. Last 12 months: over a limit 4 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (26 values), form Q quarterly (6 values), form Y yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
9 values over a limit, 0 required values missing, 4 of 11 reports late

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

Period endingParameterReportedLimitOver by
May 2026Coliform, fecal general, monthly geometric mean264.57 #/100mL≤ 200 #/100mL32%
May 2026Coliform, fecal general, weekly geometric mean3500 #/100mL≤ 400 #/100mL775%
June 2026Solids, total suspended, monthly average154 mg/L≤ 90 mg/L71%
June 2026Solids, total suspended, weekly average300 mg/L≤ 135 mg/L122%

Limits in force (38)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 25 lb/dall year
BOD, 5-day, 20 deg. Cmonthly average≤ 25 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)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≤ 90 mg/Lall year
Solids, total suspendedmonthly average≤ 90 mg/Lall year
Solids, total suspendedweekly average≤ 135 mg/Lall year
Solids, total suspendedweekly average≤ 135 mg/Lall year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspendedmonthly averagereport only (lb/d)all 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
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
BOD, percent removal [total]minimum≥ 85 %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
Solids, suspended percent removalminimum≥ 85 %all year

New limits from Feb 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Chlorine, total residual, instantaneous maximum0.033 mg/Lnew2.2 mg/L (9 values)66.7×
Solids, total suspended, monthly average15 mg/Ltighter7.35 mg/L (9 values)0.49×
Solids, total suspended, weekly average23 mg/Ltighter10.7 mg/L (9 values)0.465×

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

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Your permit document is the final word. As JSON: /api/v1/permits/LA0127763 · MCP: https://passage-data.com/mcp