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Transportation by Air — NPDES discharge permits in Pennsylvania

Of the 14 permits in EPA's SIC 45 in PA, 2 went over a limit between 2025-10-01 and 2026-09-30 (Solids, total suspended: 2; Nitrogen, ammonia total [as N]: 1). 0 are past the expiry date EPA's file holds; 4 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
SUSQUEHANNA AREA REG AIRPORT AUTH
PA0082244 · Airports, Flying Fields, & Services
Over a limit 9×: Solids, total suspended (9×)Expires Jul 31, 2029
PARADIGM AVIATION INC
PA0216445 · Air Transportation, Scheduled
Over a limit 6×: Nitrogen, ammonia total [as N] (5×), Solids, total suspended (1×)Expires Dec 31, 2030
BEAVER CNTY AIRPORT AUTH
PA0218529 · Air Transportation, Scheduled
No value over a limitExpires Apr 30, 2030
LEHIGH NORTHAMPTON AIRPORT AUTH
PA0276600 · Airports, Flying Fields, & Services
No value over a limitExpires Nov 30, 2029
LIMERICK AVIATION LP
PA0054089 · Airports, Flying Fields, & Services
No value over a limitRenewal application due May 4, 2027
MIFFLIN CNTY AIRPORT AUTH
PAS703502 · Air Transportation, Scheduled
No value over a limitExpires Jul 31, 2030
PA STATE UNIV
PA0233421 · Air Transportation, Scheduled
No value over a limitExpires Jun 30, 2030
PHILA CITY DIV OF AVIATION
PA0056766 · Airports, Flying Fields, & Services
No value over a limitExpires Feb 28, 2029
POCONO MTN MUNI AIRPORT AUTH
PA0276031 · Airports, Flying Fields, & Services
No value over a limitExpires Jun 30, 2029
READING REG AIRPORT AUTH
PA0028720 · Airports, Flying Fields, & Services
No value over a limit; 28 required values not reportedRenewal application overdue
SUSQUEHANNA AREA REG AIRPORT AUTH
PA0044598 · Airports, Flying Fields, & Services
No value over a limit; 35 required values not reportedRenewal application overdue
SUSQUEHANNA AREA REG AIRPORT AUTH
PA0266850 · Airports, Flying Fields, & Services
No value over a limit; 40 required values not reportedExpires Apr 30, 2030
SUSQUEHANNA AREA REG AIRPORT AUTH
PAS803501 · Airports, Flying Fields, & Services
No value over a limit; 5 required values not reportedExpires Mar 31, 2029
UPS INC
PA0053392 · Air Transportation, Scheduled
No value over a limit; 1 required values not reportedRenewal application due Jan 2, 2028

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=PA&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