{"permit":"MEU508276","name":"PORTLAND WATER DISTRICT","state":"ME","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/MEU508276"},"about":[{"label":"What it is","text":"Sewage treatment plant"},{"label":"Where","text":"Windham, Maine","href":"https://www.openstreetmap.org/?mlat=43.8313889&mlon=-70.4325#map=14/43.8313889/-70.4325"},{"label":"Last 12 months","text":"Over a limit 3 times, last in September 2026 (Nitrogen, nitrate total [as N]; Phosphorus, total [as P]). 80 required values not reported. 19 of 26 reports filed late"},{"label":"Permit","text":"In force until May 31, 2028"}],"renewal_due":null,"renewal_check":{"offered_because":"application_due_within_18_months","application_due":"2027-12-03","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MEU508276#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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find_limits gives the cited state and federal limits for it, each with its rule; `get` is the address to fetch, and `over_limits` holds one for each parameter.","arguments":{"parameter":"nitrate nitrite","place":"US-ME","medium":"water_discharge"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=nitrate+nitrite&place=US-ME&medium=water_discharge","url":"https://passage-data.com/api/v1/limits?parameter=nitrate+nitrite&place=US-ME&medium=water_discharge","page":"https://passage-data.com/limits/US-ME/nitrate-nitrite"},{"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":"MEU508276"},"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}, 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