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Tishomingo County Water District Water Treatment Plant

Water Supply, Iuka, Mississippi. NPDES permit MS0062685, in force until Aug 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form S twice a year
Renewal application due: Mar 4, 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 2 reports late

Limits in force (9)

Parameter	Statistic	Limit	Months
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Solids, total suspended	semi-annual average	≤ 30 mg/L	all year
Solids, total suspended	daily maximum	≤ 45 mg/L	all year
Iron, total recoverable	daily maximum	≤ 1 mg/L	all year
Chlorine, total residual	semi-annual average	≤ .011 mg/L	all year
Chlorine, total residual	daily maximum	≤ .019 mg/L	all year
Flow, total	maximum monthly average	report only (MGD)	all year
Flow, total	daily maximum	report only (MGD)	all year

How strict are these limits?

Iron, total recoverable, daily maximum 1 mg/L — stricter than 86% of 319 other minor industrial and other permits nationwide; 8% have the same limit
Solids, total suspended, daily maximum 45 mg/L — stricter than 60% of 582 other minor industrial and other permits in Mississippi; 38% have the same limit
Solids, total suspended, semi-annual average 30 mg/L — stricter than 32% of 25 other minor industrial and other permits nationwide; 52% have the same limit

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/MS0062685 · MCP: https://passage-data.com/mcp