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Town of Rayville

Water Supply, Rayville, Louisiana. NPDES permit LA0107409, in force until Oct 31, 2027. Last 12 months: over a limit 9 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (10 values), form Q quarterly (1 value)
Renewal application due
May 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingParameterReportedLimitOver by
November 2025Solids, total suspended, daily maximum129 mg/L≤ 45 mg/L187%
November 2025Solids, total suspended, monthly average129 mg/L≤ 30 mg/L330%
January 2026Solids, total suspended, daily maximum190 mg/L≤ 45 mg/L322%
January 2026Solids, total suspended, monthly average190 mg/L≤ 30 mg/L533%
February 2026Solids, total suspended, daily maximum56 mg/L≤ 45 mg/L24%
February 2026Solids, total suspended, monthly average56 mg/L≤ 30 mg/L87%
April 2026Solids, total suspended, daily maximum396 mg/L≤ 45 mg/L780%
April 2026Solids, total suspended, monthly average396 mg/L≤ 30 mg/L1220%
August 2026Solids, total suspended, monthly average38 mg/L≤ 30 mg/L27%

Limits in force (11)

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≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Iron, total recoverabledaily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)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/LA0107409 · MCP: https://passage-data.com/mcp