{"permit":"IL0045284","name":"UNION PACIFIC RAILROAD 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/IL0045284"},"about":[{"label":"What it is","text":"Railroads, Line-Haul Operating (EPA's industry listing)"},{"label":"Where","text":"Dupo, Illinois","href":"https://www.openstreetmap.org/?mlat=38.518333&mlon=-90.213333#map=14/38.518333/-90.213333"},{"label":"Last 12 months","text":"No values over a limit"},{"label":"Permit","text":"Expired Jun 30, 2026; 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":"2026-01-01","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/IL0045284#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":"IL","sic":"40","permits":8,"list":"https://passage-data.com/api/v1/permits?state=IL&sic=40","page":"https://passage-data.com/dmr/s/IL/40"},"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":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"30-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"RETEN BASIN SW FR CENTRAL YARD"},{"outfall":"001","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":"RETEN BASIN SW FR CENTRAL YARD"},{"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":"RETEN BASIN SW FR CENTRAL YARD"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"monthly maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"RETEN BASIN SW FR CENTRAL YARD"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"30-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"RETEN BASIN SW FR CENTRAL YARD"},{"outfall":"001","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":"RETEN BASIN SW FR CENTRAL YARD"},{"outfall":"001","parameter":"Cyanide, weak acid, dissociable","parameter_code":"00718","statistic":"semi-annual maximum","qualifier":"<=","value":".022","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"Cyanide, total [as CN]","parameter_code":"00720","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"Arsenic, total [as As]","parameter_code":"01002","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"Lead, total [as Pb]","parameter_code":"01051","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"Oil and grease","parameter_code":"03582","statistic":"30-day average","qualifier":"<=","value":"15","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"RETEN BASIN SW FR CENTRAL YARD"},{"outfall":"001","parameter":"Oil and grease","parameter_code":"03582","statistic":"daily maximum","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"RETEN BASIN SW FR CENTRAL YARD"},{"outfall":"001","parameter":"Acenaphthylene","parameter_code":"34200","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"Acenaphthene","parameter_code":"34205","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"Anthracene","parameter_code":"34220","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"Benzo[k]fluoranthene","parameter_code":"34242","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"Benzo[a]pyrene","parameter_code":"34247","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"Chrysene","parameter_code":"34320","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"Fluoranthene","parameter_code":"34376","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"Fluorene","parameter_code":"34381","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"Indeno[1,2,3-cd]pyrene","parameter_code":"34403","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"Phenanthrene","parameter_code":"34461","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"Pyrene","parameter_code":"34469","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"Benzo[ghi]perylene","parameter_code":"34521","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"Benzo[a]anthracene","parameter_code":"34526","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"Dibenz[a,h]anthracene","parameter_code":"34556","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"Naphthalene","parameter_code":"34696","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"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":"RETEN BASIN SW FR CENTRAL YARD"},{"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":"RETEN BASIN SW FR CENTRAL YARD"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"semi-annual average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"001","parameter":"3,4-Benzofluoranthene","parameter_code":"79531","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM CENTRAL YARD"},{"outfall":"002","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"30-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"EMERGENCY RETEN BASIN SW FR CENTRAL YARD"},{"outfall":"002","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":"EMERGENCY RETEN BASIN SW FR CENTRAL YARD"},{"outfall":"002","parameter":"pH","parameter_code":"00400","statistic":"monthly minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"EMERGENCY RETEN BASIN SW FR CENTRAL YARD"},{"outfall":"002","parameter":"pH","parameter_code":"00400","statistic":"monthly maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"EMERGENCY RETEN BASIN SW FR CENTRAL YARD"},{"outfall":"002","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"30-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"EMERGENCY RETEN BASIN SW FR CENTRAL YARD"},{"outfall":"002","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":"EMERGENCY RETEN BASIN SW FR CENTRAL YARD"},{"outfall":"002","parameter":"Cyanide, weak acid, dissociable","parameter_code":"00718","statistic":"semi-annual maximum","qualifier":"<=","value":".022","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"Cyanide, total [as CN]","parameter_code":"00720","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"Arsenic, total [as As]","parameter_code":"01002","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"Lead, total [as Pb]","parameter_code":"01051","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"Oil and grease","parameter_code":"03582","statistic":"30-day average","qualifier":"<=","value":"15","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"EMERGENCY RETEN BASIN SW FR CENTRAL YARD"},{"outfall":"002","parameter":"Oil and grease","parameter_code":"03582","statistic":"daily maximum","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"EMERGENCY RETEN BASIN SW FR CENTRAL YARD"},{"outfall":"002","parameter":"Acenaphthylene","parameter_code":"34200","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"Acenaphthene","parameter_code":"34205","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"Anthracene","parameter_code":"34220","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"Benzo[k]fluoranthene","parameter_code":"34242","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"Benzo[a]pyrene","parameter_code":"34247","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"Chrysene","parameter_code":"34320","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"Fluoranthene","parameter_code":"34376","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"Fluorene","parameter_code":"34381","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"Indeno[1,2,3-cd]pyrene","parameter_code":"34403","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"Phenanthrene","parameter_code":"34461","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"Pyrene","parameter_code":"34469","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"Benzo[ghi]perylene","parameter_code":"34521","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"Benzo[a]anthracene","parameter_code":"34526","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"Dibenz[a,h]anthracene","parameter_code":"34556","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"Naphthalene","parameter_code":"34696","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","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":"EMERGENCY RETEN BASIN SW FR CENTRAL YARD"},{"outfall":"002","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":"EMERGENCY RETEN BASIN SW FR CENTRAL YARD"},{"outfall":"002","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"semi-annual average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"},{"outfall":"002","parameter":"3,4-Benzofluoranthene","parameter_code":"79531","statistic":"semi-annual maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SEMI-ANNUAL FROM EMERGENCY RET CENTRAL YARD"}],"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":"40"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=IL&sic=40","url":"https://passage-data.com/api/v1/permits?state=IL&sic=40","page":"https://passage-data.com/dmr/s/IL/40"},{"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":"IL0045284"},"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=IL0045284"},{"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":"IL0045284"},"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=IL0045284"}]}