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Transportation by Air — NPDES discharge permits in Missouri

Of the 9 permits in EPA's SIC 45 in MO, 1 went over a limit between 2025-10-01 and 2026-09-30 (Aluminum, total recoverable: 1; BOD, 5-day, 20 deg. C: 1; E. coli: 1). 4 are past the expiry date EPA's file holds; 2 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
Branson Airport LLC
MO0135127 · Airports, Flying Fields, & Services
Over a limit 17×: Aluminum, total recoverable (4×), BOD, 5-day, 20 deg. C (3×), E. coli (2×)Permit past the expiry date EPA's file holds
City of Kansas City MO
MO0114812 · major · Airports, Flying Fields, & Services
No value over a limitExpires Nov 30, 2028
City of Lebanon
MO0138037 · Airports, Flying Fields, & Services
No value over a limitRenewal application overdue
City of Lee's Summit
MO0138941 · Airports, Flying Fields, & Services
No value over a limitPermit past the expiry date EPA's file holds
City of Perryville
MO0098957 · Airports, Flying Fields, & Services
No value over a limit; 18 required values not reportedExpires Dec 31, 2030
City of Springfield
MO0134830 · Airports, Flying Fields, & Services
No value over a limitExpires Mar 31, 2031
City of St. Joseph
MO0118656 · Airports, Flying Fields, & Services
No value over a limitRenewal application due Oct 3, 2027
MOARNG Environmental Management Office
MO0134627 · Airports, Flying Fields, & Services
No value over a limitPermit past the expiry date EPA's file holds
St. Louis Airport Authority
MO0111210 · Airports, Flying Fields, & Services
No value over a limitPermit past the expiry date EPA's file holds

The record is EPA's ICIS-NPDES file of 2026-10-15: values filed against each limit between Oct 1, 2025 and Sep 30, 2026. No reports on file may be EPA's gap, not the facility's.

For programs and AI agents: this screen as JSON at /api/v1/permits?state=MO&sic=45, narrowed with &over_limit=true, &parameter=phosphorus or &renewal=due; or add https://passage-data.com/mcp as a remote MCP server (tool list_permits). Free, no key. llms.txt

From EPA's ECHO data, not the permit document itself: your permit is the final word. All states