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Gautier, City of, Ion Exchange Wastewater Treatment Plant

Water Supply, Gautier, Mississippi. NPDES permit MS0062421, in force until Jul 31, 2028. Last 12 months: no values over a limit, 1 of 4 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form S twice a year, outfall 002 form S twice a year
Renewal application due
Feb 2, 2028 · 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, 18 required values missing, 0 of 4 reports late

Limits in force (18)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedsemi-annual average≤ 30 mg/Lall year001
Solids, total suspendedsemi-annual maximum≤ 45 mg/Lall year001
Iron, total recoverabledaily maximum≤ 1 mg/Lall year001
Flow, in conduit or thru treatment plantmaximum monthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualsemi-annual average≤ .011 mg/Lall year001
Chlorine, total residualsemi-annual maximum≤ .019 mg/Lall year001
pHdaily minimum≥ 6 SUall year002
pHdaily maximum≤ 9 SUall year002
Solids, total suspendedsemi-annual average≤ 30 mg/Lall year002
Solids, total suspendedsemi-annual maximum≤ 45 mg/Lall year002
Iron, total recoverablesemi-annual maximum≤ 1 mg/Lall year002
Flow, in conduit or thru treatment plantmaximum monthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Chlorine, total residualsemi-annual average≤ .011 mg/Lall year002
Chlorine, total residualsemi-annual maximum≤ .019 mg/Lall year002

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/MS0062421 · MCP: https://passage-data.com/mcp