Passage Data · Check a report · Use it from your AI

Town of Livonia

Sewage treatment plant, Livonia, Louisiana. NPDES permit LA0124851, in force until Jun 30, 2028. Last 12 months: over a limit 6 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A quarterly (13 values), outfall 001 form Q quarterly (9 values), outfall 01A form A quarterly (3 values)
Renewal application due
Jan 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
6 values over a limit, 0 required values missing, 0 of 28 reports late

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

Period endingParameterReportedLimitOver by
January 2026BOD, carbonaceous [5 day, 20 C], monthly average14.96 lb/d≤ 13 lb/d15%
January 2026Solids, total suspended, monthly average20.87 lb/d≤ 19 lb/d10%
February 2026Solids, total suspended, monthly average24.97 lb/d≤ 19 lb/d31%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average13.97 lb/d≤ 13 lb/d7%
July 2026Chlorine, total residual, instantaneous maximum7.5 mg/L≤ .033 mg/L22627%
August 2026Chlorine, total residual, instantaneous maximum8.3 mg/L≤ .033 mg/L25052%

Limits in force (25)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Solids, total suspendedweekly average≤ 23 mg/Lall year001
Solids, total suspendedmonthly average≤ 19 lb/dall year001
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, nitrate total [as N]weekly averagereport only (mg/L)all year001
Nitrogen, nitrate total [as N]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]weekly averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all 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
Chlorine, total residualinstantaneous maximum≤ .033 mg/Lall year001
Solids, total dissolvedmonthly average≤ 2585 mg/Lall year001
Solids, total dissolvedweekly average≤ 6152 mg/Lall year001
Solids, total dissolvedmonthly average≤ 3341 lb/dall year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 13 lb/dall year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year01A
Nitrogen, ammonia total [as N]weekly averagereport only (mg/L)all year01A
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)all year01A

New limits from Jul 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Nitrogen, ammonia total [as N], monthly average2 lb/dnew1.87 lb/d (11 values)0.935×
Nitrogen, ammonia total [as N], monthly average1.6 mg/Lnew1 mg/L (11 values, 10 below detection)—
Nitrogen, ammonia total [as N], weekly average3.7 mg/Lnew1 mg/L (11 values, 10 below detection)—

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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0124851 · MCP: https://passage-data.com/mcp