{"permit":"MI0028304","name":"Village of Onsted","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/MI0028304"},"about":[{"label":"What it is","text":"Sewage treatment plant"},{"label":"Where","text":"Onsted, Michigan","href":"https://www.openstreetmap.org/?mlat=41.9965&mlon=-84.1594#map=14/41.9965/-84.1594"},{"label":"Last 12 months","text":"No values over a limit. 31 required values not reported"},{"label":"Permit","text":"In force until Oct 1, 2028"}],"renewal_due":null,"renewal_check":{"offered_because":"application_due_within_18_months","application_due":"2028-04-04","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MI0028304#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":null,"limits_from_version":null,"record":{"last_filed":"2026-09-30","over":0,"over_by":[],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"daily minimum","qualifier":">=","value":"5","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAR","APR","MAY","OCT","NOV","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"daily minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":["MAR","APR","MAY","OCT","NOV","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"daily maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":["MAR","APR","MAY","OCT","NOV","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","OCT"],"limit_set":"001A"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"001A"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAR","APR","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"7-day average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","OCT"],"limit_set":"001A"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"7-day average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"001A"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"7-day average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAR","APR","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"85","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAY","OCT"],"limit_set":"001A"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"160","unit":"lb/d","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"001A"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"380","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAR","APR","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"7-day average","qualifier":"<=","value":"130","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAY","OCT"],"limit_set":"001A"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"7-day average","qualifier":"<=","value":"240","unit":"lb/d","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"001A"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"7-day average","qualifier":"<=","value":"560","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAR","APR","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"3.4","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAR","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"3.9","unit":"mg/L","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"001A"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"4.5","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR"],"limit_set":"001A"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"9","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAR","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"5","unit":"mg/L","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"001A"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"4","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","OCT"],"limit_set":"001A"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"9.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR"],"limit_set":"001A"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"43","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAR","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"21","unit":"lb/d","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"001A"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"56","unit":"lb/d","report_only":false,"enforceable":true,"months":["APR"],"limit_set":"001A"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"7-day average","qualifier":"<=","value":"110","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAR","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"7-day average","qualifier":"<=","value":"27","unit":"lb/d","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"001A"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"7-day average","qualifier":"<=","value":"11","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAY","OCT"],"limit_set":"001A"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"7-day average","qualifier":"<=","value":"110","unit":"lb/d","report_only":false,"enforceable":true,"months":["APR"],"limit_set":"001A"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly average","qualifier":"<=","value":"1","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAR","APR","MAY","OCT","NOV","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":["MAR","APR","MAY","OCT","NOV","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":["MAR","APR","MAY","OCT","NOV","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":["MAR","APR","MAY","OCT","NOV","DEC"],"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":"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":"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":["MAR","APR","MAY","OCT","NOV","DEC"],"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":["MAR","APR","MAY","OCT","NOV","DEC"],"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":["MAR","APR","MAY","OCT","NOV","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ng/L","report_only":true,"enforceable":true,"months":["MAR","APR","MAY","OCT","NOV","DEC"],"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":["MAR","APR","MAY","OCT","NOV","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":["MAR","APR","MAY","OCT","NOV","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"12-month average","qualifier":"<=","value":"3","unit":"ng/L","report_only":false,"enforceable":true,"months":["MAR","APR","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"12-month average","qualifier":"<=","value":"3","unit":"ng/L","report_only":false,"enforceable":true,"months":["MAY","OCT"],"limit_set":"001A"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"12-month average","qualifier":"<=","value":"3","unit":"ng/L","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"001A"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"12-month average","qualifier":"<=","value":".000037","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAR","APR","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"12-month average","qualifier":"<=","value":".0000085","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAY","OCT"],"limit_set":"001A"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"12-month average","qualifier":"<=","value":".000016","unit":"lb/d","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"001A"},{"outfall":"001","parameter":"Coliform, fecal general","parameter_code":"74055","statistic":"monthly geometric mean","qualifier":"<=","value":"200","unit":"#/100mL","report_only":false,"enforceable":true,"months":["MAR","APR","MAY","OCT","NOV","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"Coliform, fecal general","parameter_code":"74055","statistic":"7-day geometric mean","qualifier":"<=","value":"400","unit":"#/100mL","report_only":false,"enforceable":true,"months":["MAR","APR","MAY","OCT","NOV","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"monthly average","qualifier":"<=","value":"13","unit":"mg/L","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"001A"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"monthly average","qualifier":"<=","value":"17","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAR","APR","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"monthly average","qualifier":"<=","value":"13","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","OCT"],"limit_set":"001A"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"daily maximum","qualifier":"<=","value":"20","unit":"mg/L","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"001A"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"daily maximum","qualifier":"<=","value":"25","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAR","APR","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"daily maximum","qualifier":"<=","value":"20","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","OCT"],"limit_set":"001A"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"monthly average","qualifier":"<=","value":"70","unit":"lb/d","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"001A"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"monthly average","qualifier":"<=","value":"210","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAR","APR","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"monthly average","qualifier":"<=","value":"37","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAY","OCT"],"limit_set":"001A"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"7-day average","qualifier":"<=","value":"110","unit":"lb/d","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"001A"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"7-day average","qualifier":"<=","value":"310","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAR","APR","DEC"],"limit_set":"001A"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"7-day average","qualifier":"<=","value":"57","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAY","OCT"],"limit_set":"001A"},{"outfall":"SLD","parameter":"Solids, total","parameter_code":"00500","statistic":"monthly minimum","qualifier":null,"value":null,"unit":"%","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Solids, total","parameter_code":"00500","statistic":"monthly average","qualifier":null,"value":null,"unit":"%","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Solids, total","parameter_code":"00500","statistic":"monthly maximum","qualifier":null,"value":null,"unit":"%","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Arsenic, dry weight","parameter_code":"01003","statistic":"monthly minimum","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Arsenic, dry weight","parameter_code":"01003","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Arsenic, dry weight","parameter_code":"01003","statistic":"monthly maximum","qualifier":"<=","value":"75","unit":"mg/kg","report_only":false,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Selenium, dry weight","parameter_code":"01148","statistic":"monthly minimum","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Selenium, dry weight","parameter_code":"01148","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Selenium, dry weight","parameter_code":"01148","statistic":"monthly maximum","qualifier":"<=","value":"100","unit":"mg/kg","report_only":false,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Copper, dry weight","parameter_code":"46394","statistic":"monthly minimum","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Copper, dry weight","parameter_code":"46394","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Copper, dry weight","parameter_code":"46394","statistic":"monthly maximum","qualifier":"<=","value":"4300","unit":"mg/kg","report_only":false,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Cadmium, dry weight","parameter_code":"46395","statistic":"monthly minimum","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Cadmium, dry weight","parameter_code":"46395","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Cadmium, dry weight","parameter_code":"46395","statistic":"monthly maximum","qualifier":"<=","value":"85","unit":"mg/kg","report_only":false,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Nitrogen, total Kjeldahl","parameter_code":"49579","statistic":"monthly minimum","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Nitrogen, total Kjeldahl","parameter_code":"49579","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Nitrogen, total Kjeldahl","parameter_code":"49579","statistic":"monthly maximum","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Molybdenum, sludge, total, dry weight [as Mo]","parameter_code":"78465","statistic":"monthly minimum","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Molybdenum, sludge, total, dry weight [as Mo]","parameter_code":"78465","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Molybdenum, sludge, total, dry weight [as Mo]","parameter_code":"78465","statistic":"monthly maximum","qualifier":"<=","value":"75","unit":"mg/kg","report_only":false,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Zinc, sludge, total, dry weight [as Zn]","parameter_code":"78467","statistic":"monthly minimum","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Zinc, sludge, total, dry weight [as Zn]","parameter_code":"78467","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Zinc, sludge, total, dry weight [as Zn]","parameter_code":"78467","statistic":"monthly maximum","qualifier":"<=","value":"7500","unit":"mg/kg","report_only":false,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Lead, sludge, total, dry weight [as Pb]","parameter_code":"78468","statistic":"monthly minimum","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Lead, sludge, total, dry weight [as Pb]","parameter_code":"78468","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Lead, sludge, total, dry weight [as Pb]","parameter_code":"78468","statistic":"monthly maximum","qualifier":"<=","value":"840","unit":"mg/kg","report_only":false,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Nickel, sludge, total, dry weight [as Ni]","parameter_code":"78469","statistic":"monthly minimum","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Nickel, sludge, total, dry weight [as Ni]","parameter_code":"78469","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Nickel, sludge, total, dry weight [as Ni]","parameter_code":"78469","statistic":"monthly maximum","qualifier":"<=","value":"420","unit":"mg/kg","report_only":false,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Nitrogen, sludge, total, dry weight [as N]","parameter_code":"78470","statistic":"monthly minimum","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Nitrogen, sludge, total, dry weight [as N]","parameter_code":"78470","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Nitrogen, sludge, total, dry weight [as N]","parameter_code":"78470","statistic":"monthly maximum","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Mercury, sludge, total, dry weight [as Hg]","parameter_code":"78471","statistic":"monthly minimum","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Mercury, sludge, total, dry weight [as Hg]","parameter_code":"78471","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Mercury, sludge, total, dry weight [as Hg]","parameter_code":"78471","statistic":"monthly maximum","qualifier":"<=","value":"57","unit":"mg/kg","report_only":false,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Potassium, sludge, total, dry weight [as K]","parameter_code":"78472","statistic":"monthly minimum","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Potassium, sludge, total, dry weight [as K]","parameter_code":"78472","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Potassium, sludge, total, dry weight [as K]","parameter_code":"78472","statistic":"monthly maximum","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Phosphorus, sludge, total, dry weight [as P]","parameter_code":"78478","statistic":"monthly minimum","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Phosphorus, sludge, total, dry weight [as P]","parameter_code":"78478","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"},{"outfall":"SLD","parameter":"Phosphorus, sludge, total, dry weight [as P]","parameter_code":"78478","statistic":"monthly maximum","qualifier":null,"value":null,"unit":"mg/kg","report_only":true,"enforceable":true,"months":"all","limit_set":"SLDL"}],"next":[{"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":"MI0028304"},"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=MI0028304"},{"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":"MI0028304"},"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=MI0028304"}]}