{"permit":"MN0025887","name":"GRAND PORTAGE RESERVATION WWSL","state":"MN","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/MN0025887"},"about":[{"label":"What it is","text":"Sewage treatment plant"},{"label":"Where","text":"Grand Portage, Minnesota","href":"https://www.openstreetmap.org/?mlat=47.965&mlon=-89.688333#map=14/47.965/-89.688333"},{"label":"Last 12 months","text":"No values over a limit. 261 required values not reported"},{"label":"Permit","text":"In force until Aug 29, 2027"}],"renewal_due":{"date":"2027-03-02","when":"Mar 2, 2027 (in 119 days)","urgent":false},"renewal_check":{"offered_because":"application_due_within_18_months","application_due":"2027-03-02","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MN0025887#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. A person orders it on the permit's page with their email; it is sent by email within 5 business days."},"sector":null,"limits_from_version":null,"record":{"last_filed":null,"over":0,"over_by":[],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"daily minimum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SECONDARY CELL"},{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"daily minimum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SECONDARY CELL"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"SECONDARY 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