{"permit":"IA0082953","name":"CITY OF OSCEOLA","state":"IA","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/IA0082953"},"about":[{"label":"What it is","text":"Water Supply (EPA's industry listing)"},{"label":"Where","text":"Osceola, Iowa","href":"https://www.openstreetmap.org/?mlat=41.0417&mlon=-93.8056#map=14/41.0417/-93.8056"},{"label":"Last 12 months","text":"Over a limit once, last in August 2026 (pH). 2 required values not reported"},{"label":"Permit","text":"In force until Jul 31, 2031"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"IA","sic":"4941","permits":48,"list":"https://passage-data.com/api/v1/permits?state=IA&sic=4941","page":"https://passage-data.com/dmr/s/IA/4941"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":1,"over_by":[["pH",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"pH","times":1,"find_limits":{"parameter":"ph","place":"US-IA","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=ph&place=US-IA&medium=surface_water"}],"upcoming":[{"parameter":"Copper, total [as Cu]","outfall":"001","limit":0.017,"unit":"mg/L","statistic":"30-day average","statistic_code":"3C","begin":"2031-07-01","kind":"new","now":null},{"parameter":"Copper, total [as Cu]","outfall":"001","limit":0.087,"unit":"lb/d","statistic":"30-day average","statistic_code":"3C","begin":"2031-07-01","kind":"new","now":null},{"parameter":"Copper, total [as 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parameter.","arguments":{"parameter":"ph","place":"US-IA","medium":"surface_water"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=ph&place=US-IA&medium=surface_water","url":"https://passage-data.com/api/v1/limits?parameter=ph&place=US-IA&medium=surface_water","page":"https://passage-data.com/limits/US-IA/ph"},{"tool":"check_dmr","says":"Before your user files this permit's DMR: check_dmr sets each value beside the permit's limit for that period, with EPA's violation rule's verdict.","arguments":{"permit":"IA0082953"},"needs":{"period_end":"The reporting period: its month (2026-09).","values":"The period's values as your user will file them: [{outfall, parameter, statistic, value, unit}, ...]."},"post":"/api/v1/dmr/check","url":"https://passage-data.com/api/v1/dmr/check","page":"https://passage-data.com/dmr/?permit=IA0082953"},{"tool":"fill_dmr","says":"Has your user the plant's raw daily results? fill_dmr computes the period's DMR values from them, each with the rows it came from.","arguments":{"permit":"IA0082953"},"needs":{"period_end":"The reporting period: its month (2026-09).","rows":"The plant's results: [{date, parameter, value, unit, point}, ...]; or `table`, the lab's or plant's export as text."},"post":"/api/v1/dmr/fill","url":"https://passage-data.com/api/v1/dmr/fill","page":"https://passage-data.com/dmr/?permit=IA0082953"}]}