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City of Bogalusa- WWTP

Sewage treatment plant, major discharger, Bogalusa, Louisiana. NPDES permit LA0046515, in force until Aug 14, 2028. Last 12 months: over a limit 10 times (last May 2026), 1 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (17 values), form DA quarterly (11 values), form PI quarterly (11 values), form Q quarterly (6 values)
Renewal application due
Feb 16, 2028 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
6 values over a limit, 17 required values missing, 12 of 24 reports late

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

Period endingParameterReportedLimitOver by
December 2025BOD, carbonaceous [5 day, 20 C], monthly average11 mg/L≤ 10 mg/L10%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average15 mg/L≤ 10 mg/L50%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average549 lb/d≤ 500 lb/d10%
January 2026BOD, carbonaceous [5 day, 20 C], weekly average31 mg/L≤ 15 mg/L107%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average14 mg/L≤ 10 mg/L40%
February 2026BOD, carbonaceous [5 day, 20 C], weekly average16 mg/L≤ 15 mg/L7%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average11 mg/L≤ 10 mg/L10%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average12 mg/L≤ 10 mg/L20%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average700 lb/d≤ 500 lb/d40%
May 2026Chlorine, total residual, instantaneous maximum.8 mg/L< .12 mg/L567%

Limits in force (45)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly average minimum≥ 5 mg/Lall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspendedweekly average≤ 23 mg/Lall year
Solids, total suspendedmonthly average≤ 751 lb/dall 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 average≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 20 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 500 lb/dall 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
Whole effluent toxicity - retest #148-hour minimumreport only (pass=0;fail=1)all year
Whole effluent toxicity - retest #148-hour minimumreport only (pass=0;fail=1)all year
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all year
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all year
Whole effluent toxicity - retest #248-hour minimumreport only (pass=0;fail=1)all year
Whole effluent toxicity - retest #248-hour minimumreport only (pass=0;fail=1)all year
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all year
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)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 maximum< .12 mg/Lall year
Whole Effluent Toxicity - Retest #348-hour minimumreport only (pass=0;fail=1)all year
Whole Effluent Toxicity - Retest #348-hour minimumreport only (pass=0;fail=1)all year
Whole Effluent Toxicity - Retest #3monthly average minimumreport only (pass=0;fail=1)all year
Whole Effluent Toxicity - Retest #3monthly average minimumreport only (pass=0;fail=1)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≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 500 lb/dall year
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48-hour minimumreport only (pass=0;fail=1)all year
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexmonthly average minimumreport only (pass=0;fail=1)all year
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (pass=0;fail=1)all year
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasmonthly average minimumreport only (pass=0;fail=1)all year
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48-hour minimumreport only (%)all year
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexmonthly average minimumreport only (%)all year
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48-hour minimumreport only (%)all year
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasmonthly average minimumreport only (%)all year
Coef Of Var Static Renewal 48Hr Acute D. pulexmaximumreport only (%)all year
Coef Of Var Static Renewal 48Hr Acute Pimephales promelasmaximumreport only (%)all year

New limits from Aug 15, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Nitrogen, ammonia total [as N], monthly average4.5 mg/Ltighter0.4 mg/L (12 values, 11 below detection)—
Nitrogen, ammonia total [as N], monthly average225 lb/dtighter10.6 lb/d (12 values, 11 below detection)—
Nitrogen, ammonia total [as N], weekly average10.7 mg/Ltighter0.7 mg/L (12 values)0.0654×

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0046515 · MCP: https://passage-data.com/mcp