{"permit":"IL0029025","name":"ILLINOIS AMERICAN WATER","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/IL0029025"},"about":[{"label":"What it is","text":"Sewage treatment plant"},{"label":"Where","text":"Grafton, Illinois","href":"https://www.openstreetmap.org/?mlat=38.968333&mlon=-90.426667#map=14/38.968333/-90.426667"},{"label":"Last 12 months","text":"No values over a limit"},{"label":"Permit","text":"Expired Sep 30, 2022; 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":"2022-04-03","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/IL0029025#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":"002","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"STP OUTFALL"},{"outfall":"002","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"STP OUTFALL"},{"outfall":"002","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"STP OUTFALL"},{"outfall":"002","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"weekly average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"STP OUTFALL"},{"outfall":"002","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"191","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"STP OUTFALL"},{"outfall":"002","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"weekly average","qualifier":"<=","value":"286","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"STP OUTFALL"},{"outfall":"002","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":"STP OUTFALL"},{"outfall":"002","parameter":"Coliform, fecal - % samples exceeding limit","parameter_code":"30500","statistic":"maximum","qualifier":"<=","value":"10","unit":"%","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP","OCT"],"limit_set":"STP OUTFALL"},{"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":"STP OUTFALL"},{"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":"STP OUTFALL"},{"outfall":"002","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"daily maximum","qualifier":"<=","value":".75","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","NOV","DEC"],"limit_set":"STP OUTFALL"},{"outfall":"002","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"daily maximum","qualifier":"<=","value":".75","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP","OCT"],"limit_set":"STP OUTFALL"},{"outfall":"002","parameter":"Coliform, fecal general","parameter_code":"74055","statistic":"geometric mean","qualifier":"<=","value":"200","unit":"#/100mL","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP","OCT"],"limit_set":"STP OUTFALL"},{"outfall":"002","parameter":"Coliform, fecal general","parameter_code":"74055","statistic":"daily maximum","qualifier":null,"value":null,"unit":"#/100mL","report_only":true,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP","OCT"],"limit_set":"STP OUTFALL"},{"outfall":"002","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"monthly average","qualifier":"<=","value":"25","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"STP OUTFALL"},{"outfall":"002","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"weekly average","qualifier":"<=","value":"40","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"STP OUTFALL"},{"outfall":"002","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"monthly average","qualifier":"<=","value":"159","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"STP OUTFALL"},{"outfall":"002","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"weekly average","qualifier":"<=","value":"254","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"STP OUTFALL"},{"outfall":"INF","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":"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":"IL0029025"},"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=IL0029025"},{"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":"IL0029025"},"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=IL0029025"}]}