{"permit":"VA0020737","name":"Bowling Green Town","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/VA0020737"},"about":[{"label":"What it is","text":"Sewage treatment plant"},{"label":"Where","text":"Bowling Green, Virginia","href":"https://www.openstreetmap.org/?mlat=38.048333&mlon=-77.3625#map=14/38.048333/-77.3625"},{"label":"Last 12 months","text":"Over a limit once, last in March 2026 (Solids, total suspended)"},{"label":"Permit","text":"In force until May 31, 2029"}],"renewal_due":null,"renewal_check":null,"sector":null,"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":1,"over_by":[["Solids, total suspended",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Solids, total suspended","times":1,"find_limits":{"parameter":"total suspended solids","place":"US-VA","medium":"water_discharge"},"get":"https://passage-data.com/api/v1/limits?parameter=total+suspended+solids&place=US-VA&medium=water_discharge"}],"upcoming":[{"parameter":"Nitrogen, ammonia total [as N]","outfall":"001","limit":1.4,"unit":"kg/d","statistic":"monthly average","statistic_code":"MK","begin":"2028-11-01","kind":"new","now":null},{"parameter":"Nitrogen, ammonia total [as N]","outfall":"001","limit":0.55,"unit":"mg/L","statistic":"monthly average","statistic_code":"MK","begin":"2028-11-01","kind":"new","now":null},{"parameter":"Nitrogen, ammonia total [as N]","outfall":"001","limit":0.73,"unit":"mg/L","statistic":"weekly average","statistic_code":"WA","begin":"2028-11-01","kind":"new","now":null},{"parameter":"Nitrogen, ammonia total [as N]","outfall":"001","limit":1.5,"unit":"kg/d","statistic":"weekly average","statistic_code":"WA","begin":"2028-11-01","kind":"new","now":null}],"limits":[{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"daily 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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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":"total suspended solids","place":"US-VA","medium":"water_discharge"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=total+suspended+solids&place=US-VA&medium=water_discharge","url":"https://passage-data.com/api/v1/limits?parameter=total+suspended+solids&place=US-VA&medium=water_discharge","page":"https://passage-data.com/limits/US-VA/total-suspended-solids"},{"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":"VA0020737"},"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=VA0020737"},{"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":"VA0020737"},"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=VA0020737"}]}