{"permit":"IL0077585","name":"CAPRON MANUFACTURING COMPANY","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/IL0077585"},"about":[{"label":"What it is","text":"Plating And Polishing (EPA's industry listing)"},{"label":"Where","text":"Capron, Illinois","href":"https://www.openstreetmap.org/?mlat=42.4&mlon=-88.733333#map=14/42.4/-88.733333"},{"label":"Last 12 months","text":"No values over a limit. 6 of 12 reports filed late"},{"label":"Permit","text":"In force until May 31, 2029"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"IL","sic":"34","permits":8,"list":"https://passage-data.com/api/v1/permits?state=IL&sic=34","page":"https://passage-data.com/dmr/s/IL/34"},"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":"pH","parameter_code":"00400","statistic":"monthly minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"REVERSE OSMOSIS REJECT"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"monthly maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"REVERSE OSMOSIS REJECT"},{"outfall":"001","parameter":"Copper, total [as Cu]","parameter_code":"01042","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":["JAN","JUL"],"limit_set":"REVERSE OSMOSIS REJECT"},{"outfall":"001","parameter":"Nickel, total [as Ni]","parameter_code":"01067","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":["JAN","JUL"],"limit_set":"REVERSE OSMOSIS REJECT"},{"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":"REVERSE OSMOSIS REJECT"},{"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":"REVERSE OSMOSIS REJECT"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"daily maximum","qualifier":"<=","value":".05","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"REVERSE OSMOSIS REJECT"}],"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":"IL","sic":"34"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=IL&sic=34","url":"https://passage-data.com/api/v1/permits?state=IL&sic=34","page":"https://passage-data.com/dmr/s/IL/34"},{"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":"IL0077585"},"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=IL0077585"},{"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":"IL0077585"},"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=IL0077585"}]}