{"permit":"MD0021563","name":"CITY OF ABERDEEN","state":"MD","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/MD0021563"},"about":[{"label":"What it is","text":"Sewage treatment plant · rated a major discharger by EPA"},{"label":"Where","text":"Aberdeen, Maryland","href":"https://www.openstreetmap.org/?mlat=39.50846&mlon=-76.149309#map=14/39.50846/-76.149309"},{"label":"Last 12 months","text":"Over a limit 4 times, last in July 2026 (Phosphorus, total [as P])"},{"label":"Permit","text":"In force until Feb 28, 2027"}],"renewal_due":{"date":"2026-09-01","when":"Sep 1, 2026, overdue","urgent":true},"renewal_check":{"offered_because":"application_overdue","application_due":"2026-09-01","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MD0021563#renewal","says":"Each limit a renewal could tighten or add, from the state's water-quality standards and the federal rules for this kind of discharge, each cited to its rule, beside EPA's 12-month record; a rule we do not hold is named, never guessed. 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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=MD0021563"},{"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":"MD0021563"},"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=MD0021563"}]}