{"permit":"MI0001091","name":"Michigan Sugar 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/MI0001091"},"about":[{"label":"What it is","text":"Beet Sugar (EPA's industry listing) · rated a major discharger by EPA"},{"label":"Where","text":"Bay City, Michigan","href":"https://www.openstreetmap.org/?mlat=43.557228&mlon=-83.91713#map=14/43.557228/-83.91713"},{"label":"Last 12 months","text":"Over a limit 3 times, last in April 2026 (BOD, 5-day, 20 deg. C; pH)"},{"label":"Permit","text":"Expired Oct 1, 2015; 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":"2015-04-04","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MI0001091#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":"20","permits":26,"list":"https://passage-data.com/api/v1/permits?state=MI&sic=20","page":"https://passage-data.com/dmr/s/MI/20"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":3,"over_by":[["BOD, 5-day, 20 deg. C",2],["pH",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"BOD, 5-day, 20 deg. C","times":2,"find_limits":{"parameter":"bod","place":"US-MI","medium":"water_discharge"},"get":"https://passage-data.com/api/v1/limits?parameter=bod&place=US-MI&medium=water_discharge"},{"parameter":"pH","times":1,"find_limits":{"parameter":"ph","place":"US-MI","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=ph&place=US-MI&medium=surface_water"}],"limits":[{"outfall":"005","parameter":"Temperature, water deg. fahrenheit","parameter_code":"00011","statistic":"daily geometric mean","qualifier":null,"value":null,"unit":"deg F","report_only":true,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"Temperature, water deg. fahrenheit","parameter_code":"00011","statistic":"daily maximum","qualifier":"<=","value":"90","unit":"deg F","report_only":false,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"daily minimum","qualifier":">=","value":"3","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"monthly average","qualifier":"<=","value":"6000","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"daily maximum","qualifier":"<=","value":"9000","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"pH","parameter_code":"00400","statistic":"daily minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"pH","parameter_code":"00400","statistic":"daily maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","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":"005A"},{"outfall":"005","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"6000","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"9000","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","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":"005A"},{"outfall":"005","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly average","qualifier":"<=","value":"67","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","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":"005A"},{"outfall":"005","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":"005A"},{"outfall":"005","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":"005A"},{"outfall":"005","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":"005A"},{"outfall":"005","parameter":"Toxicity [acute], Ceriodaphnia dubia","parameter_code":"61425","statistic":"daily maximum","qualifier":"<=","value":"3.1","unit":"tox acute","report_only":false,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"Coliform, fecal general","parameter_code":"74055","statistic":"monthly geometric mean","qualifier":"<=","value":"200","unit":"#/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"Coliform, fecal general","parameter_code":"74055","statistic":"daily maximum","qualifier":"<=","value":"400","unit":"#/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","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":"005A"},{"outfall":"005","parameter":"Toxic Units Static 24 Hr Acute Ceriodaphnia dubia","parameter_code":"TSI3B","statistic":"daily maximum","qualifier":"<=","value":"3.1","unit":"tox acute","report_only":false,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"TU Static 24 Hr Acute Daphnia magna","parameter_code":"TSI3C","statistic":"daily maximum","qualifier":"<=","value":"3.1","unit":"tox acute","report_only":false,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"005","parameter":"TU Static 24 Hr Acute Pimephales promelas","parameter_code":"TSI6C","statistic":"daily maximum","qualifier":"<=","value":"3.1","unit":"tox acute","report_only":false,"enforceable":true,"months":"all","limit_set":"005A"},{"outfall":"050","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":"050A"},{"outfall":"050","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":"050A"},{"outfall":"050","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":"050A"}],"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":"20"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=MI&sic=20","url":"https://passage-data.com/api/v1/permits?state=MI&sic=20","page":"https://passage-data.com/dmr/s/MI/20"},{"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":"bod","place":"US-MI","medium":"water_discharge"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=bod&place=US-MI&medium=water_discharge","url":"https://passage-data.com/api/v1/limits?parameter=bod&place=US-MI&medium=water_discharge","page":"https://passage-data.com/limits/US-MI/bod"},{"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":"MI0001091"},"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=MI0001091"},{"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":"MI0001091"},"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=MI0001091"}]}