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Duson Town of - Potable WTP

Water Supply, Duson, Louisiana. NPDES permit LA0127868, in force until Mar 31, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly, form Q quarterly
Last report on file
June 2026

Limits in force (11)

ParameterStatisticLimitMonths
Turbiditydaily maximum≤ 150 NTUall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Chloride [as Cl]monthly average≤ 2630 mg/Lall year
Chloride [as Cl]daily maximum≤ 6260 mg/Lall year
Iron, total recoverabledaily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year
Solids, total dissolveddaily maximumreport only (mg/L)all year

How strict are these limits?

Cited limits by parameter: Louisiana's rules and the federal ones.

Same industry: the 18 Water Supply permits in Louisiana.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0127868 · MCP: https://passage-data.com/mcp