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Acadia Parish Police Jury

Sewage treatment plant, Egan, Louisiana. NPDES permit LA0065676, in force until Jul 14, 2028. Last 12 months: over a limit 3 times (last May 2026), 4 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A quarterly (14 values), outfall 001 form Q quarterly (17 values), outfall 002 form A quarterly (4 values), outfall 002 form Q quarterly (1 value), outfall 003 form A quarterly (4 values), outfall 003 form Q quarterly (1 value), and 4 more forms
Renewal application due
Jan 16, 2028 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 54 reports late

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

Period endingParameterReportedLimitOver by
December 2025Solids, total suspended, monthly average32 mg/L≤ 27 mg/L19%
February 2026Solids, total suspended, monthly average34 mg/L≤ 27 mg/L26%
May 2026Solids, total suspended, monthly average40 mg/L≤ 27 mg/L48%

Limits in force (47)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 27 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 4.9 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/Lall year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year001
Zinc, total [as Zn]monthly average≤ .11 mg/Lall year001
Zinc, total [as Zn]daily maximum≤ .2 mg/Lall year001
Phenolmonthly average≤ .015 mg/Lall year001
Phenoldaily maximum≤ .026 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
.alpha.-Terpineolmonthly average≤ .016 mg/Lall year001
.alpha.-Terpineoldaily maximum≤ .033 mg/Lall year001
Priority pollutants scan [yes/no]minimum≥ 1 N=0;Y=1all year001
Solids, total dissolved [TDS]monthly averagereport only (mg/L)all year001
Solids, total dissolved [TDS]daily maximumreport only (mg/L)all year001
Coliform, fecal generalmonthly geometric mean≤ 200 CFU/100mLall year001
Coliform, fecal generaldaily maximum≤ 400 CFU/100mLall year001
p-Cresolmonthly average≤ .014 mg/Lall year001
p-Cresoldaily maximum≤ .025 mg/Lall year001
Benzoic acids, totalmonthly average≤ .071 mg/Lall year001
Benzoic acids, totaldaily maximum≤ .12 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 30 mg/Lall year001
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Solids, total suspendeddaily maximumreport only (mg/L) (alert, not enforceable)all year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year002
Lead, total [as Pb]daily maximumreport only (mg/L)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
pHinstantaneous minimum≥ 6 SUall year003
pHinstantaneous maximum≤ 9 SUall year003
Solids, total suspendeddaily maximumreport only (mg/L) (alert, not enforceable)all year003
Oil & Greasedaily maximum≤ 15 mg/Lall year003
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year003
Lead, total [as Pb]daily maximumreport only (mg/L)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003

New limits from Jul 15, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Nitrogen, ammonia total [as N], daily maximum1.8 mg/Ltighter0.42 mg/L (3 values)0.233×
Nitrogen, ammonia total [as N], monthly average0.77 mg/Ltighter0.42 mg/L (3 values)0.545×

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/LA0065676 · MCP: https://passage-data.com/mcp