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Louisiana

Water Supply, Louisiana, Missouri. NPDES permit MO0001597 expired Aug 23, 2006; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form A monthly (10 values)
Last report on file: August 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (10)

Parameter	Statistic	Limit	Months
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Solids, total suspended	30-day average	≤ 1 mg/L	all year
Solids, total suspended	daily maximum	≤ 1 mg/L	all year
Fluoride, total [as F]	30-day average	≤ 4 mg/L	all year
Fluoride, total [as F]	daily maximum	≤ 4 mg/L	all year
Flow, in conduit or thru treatment plant	30-day average	report only (MGD)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year
Chlorine, total residual	30-day average	≤ 1 mg/L	all year
Chlorine, total residual	daily maximum	≤ 1 mg/L	all year

How strict are these limits?

Solids, total suspended, 30-day average 1 mg/L — stricter than 100% of 1,338 other minor industrial and other permits nationwide
Solids, total suspended, daily maximum 1 mg/L — stricter than 100% of 84 other minor industrial and other permits in Missouri
Fluoride, total [as F], daily maximum 4 mg/L — stricter than 61% of 63 other minor industrial and other permits nationwide; 8% have the same limit

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

Same industry: the 18 Water Supply permits in Missouri.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MO0001597 · MCP: https://passage-data.com/mcp