{"permit":"AL0029378","name":"American Cast Iron Pipe Co","state":"AL","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/AL0029378"},"about":[{"label":"What it is","text":"Steel Foundries (EPA's industry listing) · rated a major discharger by EPA"},{"label":"Where","text":"Birmingham, Alabama","href":"https://www.openstreetmap.org/?mlat=33.547500&mlon=-86.832500#map=14/33.547500/-86.832500"},{"label":"Last 12 months","text":"No values over a limit"},{"label":"Permit","text":"Expired Jun 30, 2018; its limits still apply until a new permit is issued, and EPA still expects the reports"}],"renewal_due":null,"renewal_check":{"offered_because":"permit_expired","application_due":"2018-01-01","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/AL0029378#renewal","says":"Each limit a renewal could tighten or add, from the state's water-quality standards and the federal rules for this kind of discharge, each cited to its rule, beside EPA's 12-month record; a rule we do not hold is named, never guessed. A person orders it on the permit's page with their email; it is sent by email within 5 business days."},"sector":{"state":"AL","sic":"33","permits":23,"list":"https://passage-data.com/api/v1/permits?state=AL&sic=33","page":"https://passage-data.com/dmr/s/AL/33"},"limits_from_version":null,"record":{"last_filed":"2026-09-30","over":0,"over_by":[],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"001","parameter":"BOD, 5-day, 20 deg. 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