{"permit":"IL0076589","name":"NEPONSET, VILLAGE OF","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/IL0076589"},"about":[{"label":"What it is","text":"Sewage treatment plant"},{"label":"Where","text":"Neponset, Illinois","href":"https://www.openstreetmap.org/?mlat=41.300472&mlon=-89.785556#map=14/41.300472/-89.785556"},{"label":"Last 12 months","text":"Over a limit once, last in January 2026 (Nitrogen, ammonia total [as N]). 2 required values not reported. 3 of 22 reports filed late"},{"label":"Permit","text":"In force until Mar 31, 2028"}],"renewal_due":null,"renewal_check":{"offered_because":"application_due_within_18_months","application_due":"2027-10-03","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/IL0076589#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":[["Nitrogen, ammonia total [as N]",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Nitrogen, ammonia total [as N]","times":1,"find_limits":{"parameter":"ammonia","place":"US-IL","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=ammonia&place=US-IL&medium=surface_water"}],"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 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