{"permit":"MT0000019","name":"BNSF RAILWAY COMPANY                                                            ","state":"MT","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/MT0000019"},"about":[{"label":"What it is","text":"Railroads, Line-Haul Operating (EPA's industry listing)"},{"label":"Where","text":"Whitefish, Montana","href":"https://www.openstreetmap.org/?mlat=48.411944&mlon=-114.343889#map=14/48.411944/-114.343889"},{"label":"Last 12 months","text":"No values over a limit"},{"label":"Permit","text":"Expired Sep 30, 2023; its limits still apply until a new permit is issued, and EPA still expects the reports"}],"renewal_due":null,"renewal_check":{"offered_because":"permit_expired","application_due":"2023-04-03","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MT0000019#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":"MT","sic":"40","permits":2,"list":"https://passage-data.com/api/v1/permits?state=MT&sic=40"},"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":"001","parameter":"Temperature, water deg. fahrenheit","parameter_code":"00011","statistic":"daily minimum","qualifier":null,"value":null,"unit":"deg F","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY MONITORING"},{"outfall":"001","parameter":"Temperature, water deg. fahrenheit","parameter_code":"00011","statistic":"daily maximum","qualifier":null,"value":null,"unit":"deg F","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY MONITORING"},{"outfall":"001","parameter":"Flow rate","parameter_code":"00056","statistic":"monthly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY MONITORING"},{"outfall":"001","parameter":"Flow rate","parameter_code":"00056","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY MONITORING"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. 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[PCBs]","parameter_code":"39516","statistic":"single grab sample","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Annual Monitoring"},{"outfall":"001","parameter":"Phenols","parameter_code":"46000","statistic":"single grab sample","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Annual Monitoring"},{"outfall":"001","parameter":"Duration","parameter_code":"50037","statistic":"value","qualifier":null,"value":null,"unit":"d/mo","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY MONITORING"},{"outfall":"001","parameter":"Volatile Organic Compound [VOC]","parameter_code":"51415","statistic":"single grab sample","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Annual Monitoring"},{"outfall":"001","parameter":"Mercury, total 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TESTING"}],"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":"MT","sic":"40"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=MT&sic=40","url":"https://passage-data.com/api/v1/permits?state=MT&sic=40"},{"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":"MT0000019"},"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=MT0000019"},{"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":"MT0000019"},"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=MT0000019"}]}