{"permit":"IA0004103","name":"MIDAMERICAN ENERGY 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/IA0004103"},"about":[{"label":"What it is","text":"Electric Services (EPA's industry listing) · rated a major discharger by EPA"},{"label":"Where","text":"Sergeant Bluff, Iowa","href":"https://www.openstreetmap.org/?mlat=42.32218&mlon=-96.37433#map=14/42.32218/-96.37433"},{"label":"Last 12 months","text":"No values over a limit"},{"label":"Permit","text":"In force until Mar 31, 2029"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"IA","sic":"4911","permits":14,"list":"https://passage-data.com/api/v1/permits?state=IA&sic=4911","page":"https://passage-data.com/dmr/s/IA/4911"},"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":"009","parameter":"Temperature, water deg. 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verdict.","arguments":{"permit":"IA0004103"},"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=IA0004103"},{"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":"IA0004103"},"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=IA0004103"}]}