{"permit":"MO0122581","name":"City of Iron Mountain Lake","state":"MO","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/MO0122581"},"about":[{"label":"What it is","text":"Sewage treatment plant"},{"label":"Where","text":"Iron Mountain, Missouri","href":"https://www.openstreetmap.org/?mlat=37.6949464&mlon=-90.616106#map=14/37.6949464/-90.616106"},{"label":"Last 12 months","text":"Over a limit 25 times, last in July 2026 (Nitrogen, ammonia total [as N]; E. coli; BOD, 5-day, percent removal). 5 of 23 reports filed late"},{"label":"Permit","text":"In force until Dec 31, 2027"}],"renewal_due":null,"renewal_check":{"offered_because":"application_due_within_18_months","application_due":"2027-07-04","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MO0122581#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":null,"limits_from_version":null,"record":{"last_filed":"2026-07-31","over":25,"over_by":[["Nitrogen, ammonia total [as N]",13],["E. coli",5],["BOD, 5-day, percent removal",4]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Nitrogen, ammonia total [as N]","times":13,"find_limits":{"parameter":"ammonia","place":"US-MO","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=ammonia&place=US-MO&medium=surface_water"}],"limits":[{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"weekly average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. 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