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Morse Village of - STP

Sewage treatment plant, Morse, Louisiana. NPDES permit LA0064572, in force until Apr 30, 2030. Last 12 months: over a limit 15 times (last June 2026), 7 of 23 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 01A form A quarterly (30 values), outfall 01A form Q quarterly (6 values), outfall 01B form A quarterly (24 values), outfall 01A form Y yearly, outfall 01B form Y yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
57 values over a limit, 3 required values missing, 15 of 29 reports late

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

All 15 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, 20 deg. C, weekly average29 mg/L≤ 15 mg/L93%
October 2025Coliform, fecal general, monthly geometric mean410.3 #/100mL≤ 200 #/100mL105%
October 2025Coliform, fecal general, weekly geometric mean2419.6 #/100mL≤ 400 #/100mL505%
October 2025Solids, total suspended, monthly average56.8 lb/d≤ 14 lb/d306%
October 2025Solids, total suspended, monthly average62 mg/L≤ 15 mg/L313%
October 2025Solids, total suspended, weekly average281 mg/L≤ 23 mg/L1122%
November 2025BOD, 5-day, 20 deg. C, monthly average12 mg/L≤ 10 mg/L20%
November 2025BOD, 5-day, 20 deg. C, weekly average23 mg/L≤ 15 mg/L53%
November 2025Coliform, fecal general, weekly geometric mean1986.3 #/100mL≤ 400 #/100mL397%
December 2025Solids, suspended percent removal, monthly average minimum82 %≥ 85 %20%
January 2026Coliform, fecal general, weekly geometric mean2419.6 #/100mL≤ 400 #/100mL505%
March 2026pH, instantaneous minimum5.95 SU≥ 6 SU—
April 2026pH, instantaneous minimum3.45 SU≥ 6 SU—
May 2026pH, instantaneous minimum5.25 SU≥ 6 SU—
June 2026pH, instantaneous minimum3.01 SU≥ 6 SU—

Limits in force (75)

ParameterStatisticLimitMonthsOutfall
Turbiditymonthly average≤ 150 NTUall year01A
Turbiditymonthly average≤ 150 NTUall year01A
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year01A
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year01A
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/Lall year01A
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/Lall year01A
BOD, 5-day, 20 deg. Cmonthly average≤ 9 lb/dall year01A
BOD, 5-day, 20 deg. Cmonthly average≤ 9 lb/dall year01A
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year01A
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year01A
pHinstantaneous minimum≥ 6 SUall year01A
pHinstantaneous minimum≥ 6 SUall year01A
pHinstantaneous maximum≤ 9 SUall year01A
pHinstantaneous maximum≤ 9 SUall year01A
Solids, total suspendedmonthly average≤ 15 mg/Lall year01A
Solids, total suspendedmonthly average≤ 15 mg/Lall year01A
Solids, total suspendedweekly average≤ 23 mg/Lall year01A
Solids, total suspendedweekly average≤ 23 mg/Lall year01A
Solids, total suspendedmonthly average≤ 14 lb/dall year01A
Solids, total suspendedmonthly average≤ 14 lb/dall year01A
Solids, total suspendedmonthly averagereport only (mg/L)all year01A
Solids, total suspendedweekly averagereport only (mg/L)all year01A
Nitrogen, total [as N]monthly averagereport only (mg/L)all year01A
Nitrogen, total [as N]weekly averagereport only (mg/L)all year01A
Nitrogen, total [as N]monthly averagereport only (lb/d)all year01A
Phosphorus, total [as P]monthly averagereport only (mg/L)all year01A
Phosphorus, total [as P]weekly averagereport only (mg/L)all year01A
Phosphorus, total [as P]monthly averagereport only (lb/d)all year01A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year01A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year01A
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year01A
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year01A
Chlorine, total residualinstantaneous maximumreport only (mg/L)all year01A
Chlorine, total residualinstantaneous maximumreport only (mg/L)all year01A
BOD, percent removal [total]monthly average minimum≥ 85 %all year01A
Solids, total dissolvedmonthly average≤ 1640 lb/dall year01A
Solids, total dissolvedmonthly average≤ 1640 lb/dall year01A
Mercury, total [as Hg]monthly averagereport only (mg/L)all year01A
Mercury, total [as Hg]weekly averagereport only (mg/L)all year01A
Mercury, total [as Hg]monthly averagereport only (lb/d)all year01A
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year01A
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year01A
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year01A
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year01A
Solids, suspended percent removalmonthly average minimum≥ 85 %all year01A
Turbiditymonthly average≤ 150 NTUall year01B
Turbiditymonthly average≤ 150 NTUall year01B
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year01B
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year01B
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/Lall year01B
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/Lall year01B
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year01B
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year01B
pHinstantaneous minimum≥ 6 SUall year01B
pHinstantaneous minimum≥ 6 SUall year01B
pHinstantaneous maximum≤ 9 SUall year01B
pHinstantaneous maximum≤ 9 SUall year01B
Solids, total suspendedmonthly average≤ 15 mg/Lall year01B
Solids, total suspendedmonthly average≤ 15 mg/Lall year01B
Solids, total suspendedweekly average≤ 23 mg/Lall year01B
Solids, total suspendedweekly average≤ 23 mg/Lall year01B
Solids, total suspendedmonthly averagereport only (mg/L)all year01B
Solids, total suspendedweekly averagereport only (mg/L)all year01B
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year01B
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year01B
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year01B
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year01B
BOD, percent removal [total]monthly average minimum≥ 85 %all year01B
Solids, total dissolvedmonthly average≤ 1640 lb/dall year01B
Solids, total dissolvedmonthly average≤ 1640 lb/dall year01B
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year01B
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year01B
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year01B
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year01B
Solids, suspended percent removalmonthly average minimum≥ 85 %all year01B

New limits from May 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Chlorine, total residual, instantaneous maximum0.033 mg/Lnew8.8 mg/L (9 values)267×
Mercury, total [as Hg], monthly average0.00004 mg/Lnew——
Mercury, total [as Hg], monthly average0.00004 lb/dnew——
Mercury, total [as Hg], weekly average0.00009 mg/Lnew——

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/LA0064572 · MCP: https://passage-data.com/mcp