{"permit":"DC0000221","name":"The Government of the District of Columbia-DDOE","state":"DC","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/DC0000221"},"about":[{"label":"What it is","text":"Sewerage Systems (EPA's industry listing) · rated a major discharger by EPA"},{"label":"Where","text":"Washington, the District of Columbia","href":"https://www.openstreetmap.org/?mlat=38.861389&mlon=-76.994444#map=14/38.861389/-76.994444"},{"label":"Last 12 months","text":"No reports in EPA's file"},{"label":"Permit","text":"In force until Dec 19, 2028"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"DC","sic":"4952","permits":2,"list":"https://passage-data.com/api/v1/permits?state=DC&sic=4952"},"limits_from_version":null,"record":null,"over_limits":[],"limits":[{"outfall":"103","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"per 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and its get_permit address; `get` is the address to fetch.","arguments":{"state":"DC","sic":"4952"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=DC&sic=4952","url":"https://passage-data.com/api/v1/permits?state=DC&sic=4952"},{"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":"DC0000221"},"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=DC0000221"},{"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":"DC0000221"},"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=DC0000221"}]}