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

Village of Gilbert- Sewage District 1

Sewage treatment plant, Gilbert, Louisiana. NPDES permit LA0049859 expired Jul 7, 2026; its limits still apply. Last 12 months: over a limit 23 times (last August 2026), 3 of 14 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (34 values), form Q quarterly (6 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
15 values over a limit, 0 required values missing, 3 of 16 reports late

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

All 23 values over a limit
Period endingParameterReportedLimitOver by
November 2025Chlorine, total residual, instantaneous maximum.1 mg/L< .033 mg/L203%
December 2025Chlorine, total residual, instantaneous maximum.06 mg/L< .033 mg/L82%
December 2025Solids, total suspended, monthly average31.04 mg/L≤ 15 mg/L107%
December 2025Solids, total suspended, weekly average37 mg/L≤ 23 mg/L61%
January 2026Chlorine, total residual, instantaneous maximum.04 mg/L< .033 mg/L21%
February 2026Chlorine, total residual, instantaneous maximum.09 mg/L< .033 mg/L173%
February 2026Nitrogen, ammonia total [as N], monthly average5.48 mg/L≤ 5 mg/L10%
March 2026Chlorine, total residual, instantaneous maximum.17 mg/L< .033 mg/L415%
April 2026Chlorine, total residual, instantaneous maximum.37 mg/L< .033 mg/L1021%
April 2026Solids, total suspended, monthly average24 mg/L≤ 15 mg/L60%
April 2026Solids, total suspended, weekly average38 mg/L≤ 23 mg/L65%
May 2026Chlorine, total residual, instantaneous maximum.16 mg/L< .033 mg/L385%
May 2026Oxygen, dissolved [DO], monthly average minimum3.88 mg/L≥ 5 mg/L22%
June 2026Nitrogen, ammonia total [as N], weekly average16.3 mg/L≤ 10 mg/L63%
June 2026Oxygen, dissolved [DO], monthly average minimum3.54 mg/L≥ 5 mg/L29%
July 2026Chlorine, total residual, instantaneous maximum.05 mg/L< .033 mg/L52%
July 2026Nitrogen, ammonia total [as N], monthly average11.33 mg/L≤ 5 mg/L127%
July 2026Nitrogen, ammonia total [as N], weekly average11.8 mg/L≤ 10 mg/L18%
July 2026Oxygen, dissolved [DO], monthly average minimum3.68 mg/L≥ 5 mg/L26%
August 2026Chlorine, total residual, instantaneous maximum.09 mg/L< .033 mg/L173%
August 2026Nitrogen, ammonia total [as N], monthly average15.04 mg/L≤ 5 mg/L201%
August 2026Nitrogen, ammonia total [as N], weekly average19.6 mg/L≤ 10 mg/L96%
August 2026Oxygen, dissolved [DO], monthly average minimum3.55 mg/L≥ 5 mg/L29%

Limits in force (40)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly average minimum≥ 5 mg/Lall year
Oxygen, dissolved [DO]monthly average minimum≥ 5 mg/Lall year
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 suspendedweekly average≤ 23 mg/Lall year
Solids, total suspendedweekly average≤ 23 mg/Lall year
Solids, total suspendedmonthly average≤ 19 lb/dall year
Solids, total suspendedmonthly average≤ 19 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/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 6 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 6 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
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 plantweekly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year
Chlorine, total residualinstantaneous maximum< .033 mg/Lall year
Chlorine, total residualinstantaneous maximum< .033 mg/Lall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalweekly geometric mean≤ 400 #/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]monthly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 13 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 13 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

· 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/LA0049859 · MCP: https://passage-data.com/mcp