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City of Shreveport- North Regional WWTP

Sewage treatment plant, major discharger, Shreveport, Louisiana. NPDES permit LA0042188 expired Nov 30, 2012; its limits still apply. Last 12 months: over a limit 4 times (last February 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (12 values), outfall 002 form A monthly (12 values), outfall 101 form A monthly (13 values), outfall TX1 form Q quarterly (12 values), outfall 001 form S twice a year
Last report on file
September 2026
Oct 2024 – Sep 2025
16 values over a limit, 0 required values missing, 0 of 42 reports late

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

Period endingParameterReportedLimitOver by
December 2025Solids, total suspended, weekly average63 mg/L≤ 45 mg/L40%
February 2026Solids, total suspended, monthly average2145 lb/d≤ 1751 lb/d23%
February 2026Solids, total suspended, monthly average43 mg/L≤ 30 mg/L43%
February 2026Solids, total suspended, weekly average92 mg/L≤ 45 mg/L104%

Limits in force (50)

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≤ 1751 lb/dall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 1751 lb/dall 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
Priority pollutants scan [yes/no]monthly average minimumreport only (N=0;Y=1)all year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year002
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year002
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year002
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year002
Solids, total suspendedweekly average≤ 45 mg/Lall year002
Solids, total suspendedmonthly averagereport only (lb/d)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 mean≤ 200 #/100mLall year002
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year002
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year101
BOD, 5-day, 20 deg. Cweekly averagereport only (lb/d)all year101
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year101
BOD, 5-day, 20 deg. Cmonthly average≤ 11259 lb/dall year101
Solids, total suspendedmonthly averagereport only (lb/d)all year101
Solids, total suspendedweekly averagereport only (lb/d)all year101
Solids, total suspendedweekly average≤ 45 mg/Lall year101
Solids, total suspendedmonthly average≤ 11259 lb/dall year101
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year101
BOD, percent removal [total]minimum weekly average≥ 65 %all year101
Solids, suspended percent removalminimum weekly average≥ 65 %all year101
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48-hour minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexmonthly average minimumreport only (pass=0;fail=1)all yearTX1
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (pass=0;fail=1)all yearTX1
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasmonthly average minimumreport only (pass=0;fail=1)all yearTX1
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48-hour minimumreport only (%)all yearTX1
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexmonthly average minimumreport only (%)all yearTX1
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48-hour minimumreport only (%)all yearTX1
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasmonthly average minimumreport only (%)all yearTX1
Coef Of Var Static Renewal 48Hr Acute D. pulex48-hour minimumreport only (%)all yearTX1
Coef Of Var Static Renewal 48Hr Acute D. pulexmonthly average minimumreport only (%)all yearTX1
Coef Of Var Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (%)all yearTX1
Coef Of Var Static Renewal 48Hr Acute Pimephales promelasmonthly average minimumreport only (%)all yearTX1

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/LA0042188 · MCP: https://passage-data.com/mcp