{"permit":"IL0050717","name":"AQUA ILLINOIS","state":"IL","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/IL0050717"},"about":[{"label":"What it is","text":"Sewage treatment plant"},{"label":"Where","text":"Grant Park, Illinois","href":"https://www.openstreetmap.org/?mlat=41.229167&mlon=-87.645833#map=14/41.229167/-87.645833"},{"label":"Last 12 months","text":"Over a limit once, last in June 2026 (Coliform, fecal general)"},{"label":"Permit","text":"Expired Oct 31, 2026"}],"renewal_due":null,"renewal_check":{"offered_because":"permit_expired","application_due":"2026-05-04","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/IL0050717#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":"2026-08-31","over":1,"over_by":[["Coliform, fecal general",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"monthly average minimum","qualifier":">=","value":"5.5","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","AUG","SEP","OCT","NOV","DEC"],"limit_set":"STP OUTFALL"},{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"minimum weekly average","qualifier":">=","value":"4","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","AUG","SEP","OCT","NOV","DEC"],"limit_set":"STP OUTFALL"},{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"minimum weekly 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C","parameter_code":"00310","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"INFLUENT MONITORING"},{"outfall":"INF","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":"INFLUENT MONITORING"},{"outfall":"INF","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":"INFLUENT MONITORING"},{"outfall":"INF","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":"INFLUENT MONITORING"}],"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":"IL0050717"},"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=IL0050717"},{"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":"IL0050717"},"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=IL0050717"}]}