{"permit":"MI0000884","name":"E. I. du Pont de Nemours & Company","state":"MI","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/MI0000884"},"about":[{"label":"What it is","text":"Industrial Organic Chemicals (EPA's industry listing)"},{"label":"Where","text":"Montague, Michigan","href":"https://www.openstreetmap.org/?mlat=43.3946&mlon=-86.4165#map=14/43.3946/-86.4165"},{"label":"Last 12 months","text":"Over a limit once, last in August 2026 (Trichloroethylene)"},{"label":"Permit","text":"Expired Oct 1, 2018; 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":"2018-04-04","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MI0000884#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":"MI","sic":"28","permits":13,"list":"https://passage-data.com/api/v1/permits?state=MI&sic=28","page":"https://passage-data.com/dmr/s/MI/28"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":1,"over_by":[["Trichloroethylene",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Trichloroethylene","times":1,"find_limits":{"parameter":"trichloroethylene","place":"US-MI","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=trichloroethylene&place=US-MI&medium=surface_water"}],"limits":[{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"daily minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"daily maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Chloride [as Cl]","parameter_code":"00940","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Chloride [as Cl]","parameter_code":"00940","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Sulfate, total [as SO4]","parameter_code":"00945","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Sulfate, total [as SO4]","parameter_code":"00945","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Carbon tetrachloride","parameter_code":"32102","statistic":"daily maximum","qualifier":"<=","value":"21","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Chloroform","parameter_code":"32106","statistic":"daily maximum","qualifier":"<=","value":"10","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Methylene chloride","parameter_code":"34423","statistic":"daily maximum","qualifier":"<=","value":"59","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Tetrachloroethylene","parameter_code":"34475","statistic":"daily maximum","qualifier":"<=","value":"10","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Trichlorofluoromethane","parameter_code":"34488","statistic":"daily maximum","qualifier":"<=","value":"40","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"1,1,1-Trichloroethane","parameter_code":"34506","statistic":"daily maximum","qualifier":"<=","value":"10","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"trans-1,2-Dichloroethylene","parameter_code":"34546","statistic":"daily maximum","qualifier":"<=","value":"300","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Dichlorodifluoromethane","parameter_code":"34668","statistic":"daily maximum","qualifier":"<=","value":"50","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"1,1-Dichloro-2,2,2-trifluoroethane","parameter_code":"38671","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"1,1-Dichloro-1,2,2,2-tetrafluoroethane","parameter_code":"38675","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Trichloroethylene","parameter_code":"39180","statistic":"daily maximum","qualifier":"<=","value":"10","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Chlorodifluoromethane","parameter_code":"45028","statistic":"daily maximum","qualifier":"<=","value":"50","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Equipment inspection - visual","parameter_code":"46478","statistic":"value","qualifier":null,"value":null,"unit":"N=0;Y=1","report_only":true,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","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":"001A"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"monthly average","qualifier":null,"value":null,"unit":"ng/L","report_only":true,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"rolling average","qualifier":"<=","value":"3","unit":"ng/L","report_only":false,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"rolling average","qualifier":"<=","value":".00003753","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"1,1,2-Trichloro-1,2,2-trifluoroethane","parameter_code":"77652","statistic":"daily maximum","qualifier":"<=","value":"33","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"001A"},{"outfall":"001","parameter":"Outfall observation,visual, y/n response","parameter_code":"84130","statistic":"value","qualifier":null,"value":null,"unit":"N=0;Y=1","report_only":true,"enforceable":true,"months":"all","limit_set":"001A"}],"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":"MI","sic":"28"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=MI&sic=28","url":"https://passage-data.com/api/v1/permits?state=MI&sic=28","page":"https://passage-data.com/dmr/s/MI/28"},{"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":"trichloroethylene","place":"US-MI","medium":"surface_water"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=trichloroethylene&place=US-MI&medium=surface_water","url":"https://passage-data.com/api/v1/limits?parameter=trichloroethylene&place=US-MI&medium=surface_water","page":"https://passage-data.com/limits/US-MI/trichloroethylene"},{"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":"MI0000884"},"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=MI0000884"},{"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":"MI0000884"},"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=MI0000884"}]}