{"permit":"OK0043320","name":"Greenfield Environmental Multistate Trust LLC-Cushing","state":"OK","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/OK0043320"},"about":[{"label":"What it is","text":"Sanitary Services (EPA's industry listing)"},{"label":"Where","text":"Cushing, Oklahoma","href":"https://www.openstreetmap.org/?mlat=36.01016&mlon=-96.756879#map=14/36.01016/-96.756879"},{"label":"Last 12 months","text":"No values over a limit"},{"label":"Permit","text":"In force until Jul 31, 2031"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"OK","sic":"4959","permits":4,"list":"https://passage-data.com/api/v1/permits?state=OK&sic=4959","page":"https://passage-data.com/dmr/s/OK/4959"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":0,"over_by":[],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"007","parameter":"Oxygen demand, chem. 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EPA's violation rule's verdict.","arguments":{"permit":"OK0043320"},"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=OK0043320"},{"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":"OK0043320"},"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=OK0043320"}]}