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Cullen, Town of

Sewage treatment plant, Cullen, Louisiana. NPDES permit LA0032301, in force until Apr 30, 2028. Last 12 months: no values over a limit, 162 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form Q quarterly (6 values), outfall 001 form A quarterly, outfall 001 form Y yearly, outfall 01A form A quarterly
Renewal application due
Nov 2, 2027 · 180 days before expiry; your permit may set another date
Last report on file
December 2025
Oct 2024 – Sep 2025
39 values over a limit, 129 required values missing, 17 of 29 reports late

Limits in force (41)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Solids, total suspendedweekly average≤ 23 mg/Lall year001
Solids, total suspendedweekly average≤ 23 mg/Lall year001
Solids, total suspendedmonthly average≤ 38 lb/dall year001
Solids, total suspendedmonthly average≤ 38 lb/dall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]weekly averagereport only (mg/L)all year001
Nitrogen, 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 plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantweekly 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
Chlorine, total residualinstantaneous maximum≤ .033 mg/Lall year001
Mercury, total [as Hg]monthly averagereport only (mg/L)all year001
Mercury, total [as Hg]weekly averagereport only (mg/L)all year001
Mercury, total [as Hg]monthly averagereport only (lb/d)all year001
Coliform, fecal generalmonthly average≤ 200 #/100mLall year001
Coliform, fecal generalmonthly average≤ 200 #/100mLall year001
Coliform, fecal generalweekly average≤ 400 #/100mLall year001
Coliform, fecal generalweekly average≤ 400 #/100mLall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall 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]weekly average≤ 15 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 lb/dall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 6.08 mg/Lall year01A
Nitrogen, ammonia total [as N]monthly average≤ 6.08 mg/Lall year01A
Nitrogen, ammonia total [as N]weekly average≤ 12.15 mg/Lall year01A
Nitrogen, ammonia total [as N]weekly average≤ 12.15 mg/Lall year01A
Nitrogen, ammonia total [as N]monthly average≤ 15 lb/dall year01A
Nitrogen, ammonia total [as N]monthly average≤ 15 lb/dall year01A

New limits from May 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Nitrogen, ammonia total [as N], monthly average5.2 lb/dtighter——
Nitrogen, ammonia total [as N], monthly average2.1 mg/Ltighter——
Nitrogen, ammonia total [as N], weekly average5 mg/Ltighter——

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/LA0032301 · MCP: https://passage-data.com/mcp