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National Water Infrastructure, LLC - Villa Galvez

Sewerage Systems, Prairieville, Louisiana. NPDES permit LA0079294 expired Oct 31, 2025; its limits still apply. Last 12 months: over a limit 24 times (last May 2026), 3 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: form A quarterly (30 values), form Q quarterly (9 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
43 values over a limit, 7 required values missing, 2 of 16 reports late

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

All 24 values over a limit
Period endingParameterReportedLimitOver by
November 2025BOD, carbonaceous [5 day, 20 C], daily maximum19 mg/L≤ 15 mg/L27%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average14 mg/L≤ 10 mg/L40%
December 2025Coliform, fecal general, daily maximum1840 #/100mL≤ 400 #/100mL360%
December 2025Solids, total suspended, daily maximum25 mg/L≤ 23 mg/L9%
December 2025Solids, total suspended, monthly average18 mg/L≤ 15 mg/L20%
January 2026BOD, carbonaceous [5 day, 20 C], daily maximum16 mg/L≤ 15 mg/L7%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average15 lb/d≤ 11.3 lb/d33%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average15 mg/L≤ 10 mg/L50%
January 2026Solids, total suspended, daily maximum32 mg/L≤ 23 mg/L39%
January 2026Solids, total suspended, monthly average29.2 lb/d≤ 16.9 lb/d73%
January 2026Solids, total suspended, monthly average30 mg/L≤ 15 mg/L100%
February 2026BOD, carbonaceous [5 day, 20 C], daily maximum19 mg/L≤ 15 mg/L27%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average14.9 lb/d≤ 11.3 lb/d32%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average15 mg/L≤ 10 mg/L50%
March 2026BOD, carbonaceous [5 day, 20 C], daily maximum18 mg/L≤ 15 mg/L20%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average15 mg/L≤ 10 mg/L50%
March 2026Solids, total suspended, daily maximum34 mg/L≤ 23 mg/L48%
March 2026Solids, total suspended, monthly average22 mg/L≤ 15 mg/L47%
April 2026BOD, carbonaceous [5 day, 20 C], daily maximum26 mg/L≤ 15 mg/L73%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average12 mg/L≤ 10 mg/L20%
April 2026Solids, total suspended, daily maximum28 mg/L≤ 23 mg/L22%
April 2026Solids, total suspended, monthly average< 16 mg/L≤ 15 mg/L7%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average11 mg/L≤ 10 mg/L10%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average12.8 lb/d≤ 11.3 lb/d13%

Limits in force (39)

ParameterStatisticLimitMonths
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspendeddaily maximum≤ 23 mg/Lall year
Solids, total suspendeddaily maximum≤ 23 mg/Lall year
Solids, total suspendedmonthly average≤ 16.9 lb/dall year
Solids, total suspendedmonthly average≤ 16.9 lb/dall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]daily maximumreport 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/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 5.6 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 5.6 lb/dall year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport 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 plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Mercury, total [as Hg]monthly averagereport only (mg/L)all year
Mercury, total [as Hg]daily maximumreport only (mg/L)all year
Mercury, total [as Hg]monthly averagereport only (lb/d)all year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 11.3 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 11.3 lb/dall year

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/LA0079294 · MCP: https://passage-data.com/mcp