{"permit":"TN0080403","name":"Nucor Steel Memphis, Inc.","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/TN0080403"},"about":[{"label":"What it is","text":"Blast Furnaces And Steel Mills (EPA's industry listing)"},{"label":"Where","text":"Memphis, Tennessee","href":"https://www.openstreetmap.org/?mlat=35.0524&mlon=-90.1653#map=14/35.0524/-90.1653"},{"label":"Last 12 months","text":"Over a limit once, last in October 2025 (Oil & Grease). 3 of 42 reports filed late"},{"label":"Permit","text":"In force until Dec 31, 2030"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"TN","sic":"33","permits":12,"list":"https://passage-data.com/api/v1/permits?state=TN&sic=33","page":"https://passage-data.com/dmr/s/TN/33"},"limits_from_version":null,"record":{"last_filed":"2026-09-30","over":1,"over_by":[["Oil & Grease",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Oil & Grease","times":1,"find_limits":{"parameter":"oil grease","place":"US-TN","medium":"water_discharge"},"get":"https://passage-data.com/api/v1/limits?parameter=oil+grease&place=US-TN&medium=water_discharge"}],"limits":[{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Quarterly 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":"Quarterly Reporting for Outfall 001"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly Reporting for Outfall 001"},{"outfall":"001","parameter":"Lead, total [as 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maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"Annual Reporting for SW2"}],"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":"TN","sic":"33"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=TN&sic=33","url":"https://passage-data.com/api/v1/permits?state=TN&sic=33","page":"https://passage-data.com/dmr/s/TN/33"},{"tool":"find_limits","says":"What do the rules say about what it went over on? 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":"oil grease","place":"US-TN","medium":"water_discharge"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=oil+grease&place=US-TN&medium=water_discharge","url":"https://passage-data.com/api/v1/limits?parameter=oil+grease&place=US-TN&medium=water_discharge","page":"https://passage-data.com/limits/US-TN/oil-grease"},{"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":"TN0080403"},"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=TN0080403"},{"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":"TN0080403"},"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=TN0080403"}]}