{"permit":"PA0204901","name":"ALLEGHENY CNTY PORT AUTH","state":"PA","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/PA0204901"},"about":[{"label":"What it is","text":"Local And Suburban Transit (EPA's industry listing)"},{"label":"Where","text":"Pittsburgh, Pennsylvania","href":"https://www.openstreetmap.org/?mlat=40.502778&mlon=-80.024444#map=14/40.502778/-80.024444"},{"label":"Last 12 months","text":"Over a limit 6 times, last in February 2026 (Iron, dissolved [as Fe]; Solids, total suspended). 13 required values not reported"},{"label":"Permit","text":"In force until Oct 31, 2029"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"PA","sic":"41","permits":27,"list":"https://passage-data.com/api/v1/permits?state=PA&sic=41","page":"https://passage-data.com/dmr/s/PA/41"},"limits_from_version":null,"record":{"last_filed":"2026-06-30","over":6,"over_by":[["Iron, dissolved [as Fe]",4],["Solids, total suspended",2]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Iron, dissolved [as Fe]","times":4,"find_limits":{"parameter":"iron","place":"US-PA","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=iron&place=US-PA&medium=surface_water"},{"parameter":"Solids, total suspended","times":2,"find_limits":{"parameter":"total suspended solids","place":"US-PA","medium":"water_discharge"},"get":"https://passage-data.com/api/v1/limits?parameter=total+suspended+solids&place=US-PA&medium=water_discharge"}],"limits":[{"outfall":"001","parameter":"BOD, 5-day, 20 deg. 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