{"permit":"TN0000451","name":"The Troxel Company","state":"TN","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/TN0000451"},"about":[{"label":"What it is","text":"Fabricated Metal Products (EPA's industry listing)"},{"label":"Where","text":"Moscow, Tennessee","href":"https://www.openstreetmap.org/?mlat=35.052283&mlon=-89.444201#map=14/35.052283/-89.444201"},{"label":"Last 12 months","text":"No values over a limit. 44 of 61 reports filed late"},{"label":"Permit","text":"In force until Jul 31, 2028"}],"renewal_due":null,"renewal_check":{"offered_because":"application_due_within_18_months","application_due":"2028-02-02","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/TN0000451#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":"TN","sic":"34","permits":5,"list":"https://passage-data.com/api/v1/permits?state=TN&sic=34","page":"https://passage-data.com/dmr/s/TN/34"},"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":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly reporting for Outfall 001"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly reporting for Outfall 001"},{"outfall":"001","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"daily 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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":"TN","sic":"34"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=TN&sic=34","url":"https://passage-data.com/api/v1/permits?state=TN&sic=34","page":"https://passage-data.com/dmr/s/TN/34"},{"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":"TN0000451"},"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=TN0000451"},{"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":"TN0000451"},"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=TN0000451"}]}