{"permit":"IA0060909","name":"INTERSTATE POWER AND LIGHT COMPANY","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/IA0060909"},"about":[{"label":"What it is","text":"Electric Services (EPA's industry listing) · rated a major discharger by EPA"},{"label":"Where","text":"Ottumwa, Iowa","href":"https://www.openstreetmap.org/?mlat=41.09689&mlon=-92.55389#map=14/41.09689/-92.55389"},{"label":"Last 12 months","text":"Over a limit once, last in April 2026 (pH)"},{"label":"Permit","text":"In force until May 31, 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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":"IA0060909"},"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=IA0060909"},{"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":"IA0060909"},"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=IA0060909"}]}