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City of St. Joseph

Airports, Flying Fields, & Services, St Joseph, Missouri. NPDES permit MO0118656, in force until Mar 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: outfall 001 form Q quarterly (6 values), outfall 004 form Q quarterly (1 value)
Renewal application due: Oct 3, 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 8 reports late

Limits in force (7)

Parameter	Statistic	Limit	Months	Outfall
Oxygen demand, chem. [high level] [COD]	daily maximum	report only (mg/L)	all year	001
pH	minimum	≥ 6.5 SU	all year	001
pH	maximum	≤ 9 SU	all year	001
Solids, total suspended	daily maximum	report only (mg/L)	all year	001
Oil and grease [soxhlet extr.] tot.	daily maximum	report only (mg/L)	all year	001
Storm water flow	daily maximum	report only (MGD)	all year	001
Storm water flow	daily maximum	report only (MGD)	all year	004

How strict are these limits?

pH, minimum at least 6.5 SU — stricter than 16% of 973 other minor industrial and other permits in Missouri; 84% have the same limit

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

Same industry: the 9 Transportation by Air 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/MO0118656 · MCP: https://passage-data.com/mcp