{"permit":"VA0090344","name":"Chesterfield County Public Schools","state":"VA","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/VA0090344"},"about":[{"label":"What it is","text":"Elementary And Secondary Schools (EPA's industry listing)"},{"label":"Where","text":"Chesterfield, Virginia","href":"https://www.openstreetmap.org/?mlat=37.287777&mlon=-77.4575#map=14/37.287777/-77.4575"},{"label":"Last 12 months","text":"No values over a limit. 4 required values not reported"},{"label":"Permit","text":"In force until May 31, 2031"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"VA","sic":"82","permits":22,"list":"https://passage-data.com/api/v1/permits?state=VA&sic=82","page":"https://passage-data.com/dmr/s/VA/82"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":0,"over_by":[],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"minimum","qualifier":">=","value":"5","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"001","parameter":"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":"VA","sic":"82"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=VA&sic=82","url":"https://passage-data.com/api/v1/permits?state=VA&sic=82","page":"https://passage-data.com/dmr/s/VA/82"},{"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":"VA0090344"},"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=VA0090344"},{"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":"VA0090344"},"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=VA0090344"}]}