{"permit":"MN0001015","name":"Minnesota Power","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/MN0001015"},"about":[{"label":"What it is","text":"Steam And Air-Conditioning Supply (EPA's industry listing)"},{"label":"Where","text":"Duluth, Minnesota","href":"https://www.openstreetmap.org/?mlat=46.735612&mlon=-92.152663#map=14/46.735612/-92.152663"},{"label":"Last 12 months","text":"No values over a limit"},{"label":"Permit","text":"In force until Jan 31, 2027"}],"renewal_due":{"date":"2026-08-04","when":"Aug 4, 2026, overdue","urgent":true},"renewal_check":{"offered_because":"application_overdue","application_due":"2026-08-04","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MN0001015#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":{"state":"MN","sic":"4961","permits":3,"list":"https://passage-data.com/api/v1/permits?state=MN&sic=4961","page":"https://passage-data.com/dmr/s/MN/4961"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":0,"over_by":[],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"D003","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"monthly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":null},{"outfall":"D003","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"monthly maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":null},{"outfall":"D003","parameter":"Flow, in conduit or thru treatment 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F","parameter_code":"00018","statistic":"maximum daily average","qualifier":"<=","value":"5","unit":"deg F","report_only":false,"enforceable":true,"months":"all","limit_set":null}],"next":[{"tool":"list_permits","says":"Screening this industry? list_permits lists every permit of it in this state in one call, each with its page and its get_permit address; `get` is the address to fetch.","arguments":{"state":"MN","sic":"4961"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=MN&sic=4961","url":"https://passage-data.com/api/v1/permits?state=MN&sic=4961","page":"https://passage-data.com/dmr/s/MN/4961"},{"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":"MN0001015"},"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=MN0001015"},{"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":"MN0001015"},"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=MN0001015"}]}