{"permit":"IL0001244","name":"THE PREMCOR REFINING GROUP INC","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/IL0001244"},"about":[{"label":"What it is","text":"Petroleum Bulk Stations & Terminals (EPA's industry listing)"},{"label":"Where","text":"Hartford, Illinois","href":"https://www.openstreetmap.org/?mlat=38.968889&mlon=-90.105556#map=14/38.968889/-90.105556"},{"label":"Last 12 months","text":"Over a limit once, last in February 2026 (BOD, 5-day, 20 deg. C)"},{"label":"Permit","text":"In force until Mar 31, 2030"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"IL","sic":"51","permits":34,"list":"https://passage-data.com/api/v1/permits?state=IL&sic=51","page":"https://passage-data.com/dmr/s/IL/51"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":1,"over_by":[["BOD, 5-day, 20 deg. 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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":"51"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=IL&sic=51","url":"https://passage-data.com/api/v1/permits?state=IL&sic=51","page":"https://passage-data.com/dmr/s/IL/51"},{"tool":"find_limits","says":"What do the rules say about what it went over on? find_limits gives the cited state and federal limits for it, each with its rule; `get` is the address to fetch, and `over_limits` holds one for each parameter.","arguments":{"parameter":"bod","place":"US-IL","medium":"water_discharge"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=bod&place=US-IL&medium=water_discharge","url":"https://passage-data.com/api/v1/limits?parameter=bod&place=US-IL&medium=water_discharge","page":"https://passage-data.com/limits/US-IL/bod"},{"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":"IL0001244"},"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=IL0001244"},{"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":"IL0001244"},"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=IL0001244"}]}