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Village of Florien

Sewage treatment plant, Florien, Louisiana. NPDES permit LA0093939, in force until Jul 14, 2028. Last 12 months: over a limit 8 times (last June 2026), 8 of 14 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (16 values), form Q quarterly (6 values)
Renewal application due
Jan 16, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
9 values over a limit, 0 required values missing, 11 of 16 reports late

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

Period endingParameterReportedLimitOver by
November 2025Solids, total suspended, monthly average21.96 mg/L≤ 15 mg/L46%
November 2025Solids, total suspended, weekly average31 mg/L≤ 23 mg/L35%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average14.18 lb/d≤ 10.43 lb/d36%
May 2026Coliform, fecal general, weekly geometric mean440 #/100mL≤ 400 #/100mL10%
May 2026Oxygen, dissolved [DO], monthly average minimum4.81 mg/L≥ 5 mg/L4%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average44.25 lb/d≤ 10.43 lb/d324%
June 2026Nitrogen, ammonia total [as N], monthly average13.6 lb/d≤ 5.21 lb/d161%
June 2026Solids, total suspended, monthly average88 lb/d≤ 15.64 lb/d463%

Limits in force (25)

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≤ 15.64 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≤ 5 mg/LApr–Oct
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 10 mg/LApr–Oct
Nitrogen, ammonia total [as N]weekly average≤ 20 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 5.21 lb/dApr–Oct
Nitrogen, ammonia total [as N]monthly average≤ 10.43 lb/dJan, Feb, Mar, Nov, Dec
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 plantweekly averagereport only (MGD)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≤ 10.43 lb/dall year

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/LA0093939 · MCP: https://passage-data.com/mcp