{"permit":"VA0024759","name":"US Federal Emergency Managemen","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/VA0024759"},"about":[{"label":"What it is","text":"Federal facility · Sewerage Systems (EPA's industry listing)"},{"label":"Where","text":"Loudoun County, Virginia","href":"https://www.openstreetmap.org/?mlat=39.058889&mlon=-77.881389#map=14/39.058889/-77.881389"},{"label":"Last 12 months","text":"Over a limit once, last in March 2026 (BOD, 5-day, 20 deg. C)"},{"label":"Permit","text":"In force until Mar 31, 2030"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"VA","sic":"4952","permits":480,"list":"https://passage-data.com/api/v1/permits?state=VA&sic=4952"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":1,"over_by":[["BOD, 5-day, 20 deg. C",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"BOD, 5-day, 20 deg. 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hydrocarbons, total recoverable","parameter_code":"45501","statistic":"maximum","qualifier":"<=","value":"15","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"monthly average","qualifier":"<=","value":".09","unit":"MGD","report_only":false,"enforceable":false,"months":"all","limit_set":null},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":false,"months":"all","limit_set":null},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"geometric mean","qualifier":"<=","value":"126","unit":"#/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"001","parameter":"Xylene [mix of m+o+p]","parameter_code":"81551","statistic":"maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":null}],"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":"VA","sic":"4952"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=VA&sic=4952","url":"https://passage-data.com/api/v1/permits?state=VA&sic=4952"},{"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-VA","medium":"water_discharge"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=bod&place=US-VA&medium=water_discharge","url":"https://passage-data.com/api/v1/limits?parameter=bod&place=US-VA&medium=water_discharge","page":"https://passage-data.com/limits/US-VA/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":"VA0024759"},"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=VA0024759"},{"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":"VA0024759"},"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=VA0024759"}]}