{"permit":"AK0021440","name":"KETCHIKAN, CITY OF","state":"AK","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/AK0021440"},"about":[{"label":"What it is","text":"Sewage treatment plant · rated a major discharger by EPA"},{"label":"Where","text":"Ketchikan, Alaska","href":"https://www.openstreetmap.org/?mlat=55.357196&mlon=-131.696532#map=14/55.357196/-131.696532"},{"label":"Last 12 months","text":"Over a limit 9 times, last in April 2026 (Copper, total [as Cu])"},{"label":"Permit","text":"In force until Oct 31, 2030"}],"renewal_due":null,"renewal_check":null,"sector":null,"limits_from_version":null,"record":{"last_filed":"2026-09-30","over":9,"over_by":[["Copper, total [as Cu]",9]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Copper, total [as 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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":"AK0021440"},"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=AK0021440"},{"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":"AK0021440"},"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=AK0021440"}]}