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Columbus Light & Water Dept, North Water Treatment Plant

Water Supply, Columbus, Mississippi. NPDES permit MS0053589, in force until Jun 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form Q quarterly (13 values)
Renewal application due
Jan 1, 2027 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 4 reports late

Limits in force (13)

ParameterStatisticLimitMonths
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmaximum monthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Fluoride, total [as F]maximum monthly averagereport only (mg/L)all year
Fluoride, total [as F]daily maximum≤ 1.2 mg/Lall year
Aluminum, total recoverablemaximum monthly averagereport only (mg/L)all year
Aluminum, total recoverabledaily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmaximum monthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmaximum monthly averagereport only (mg/L)all year
Chlorine, total residualdaily maximumreport only (mg/L)all year
Solids, total dissolveddaily maximum≤ 500 mg/Lall year

How strict are these limits?

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

Same industry: the 23 Water Supply permits in Mississippi.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MS0053589 · MCP: https://passage-data.com/mcp