{"permit":"MD0052680","name":"EDGEMEADE ROAD RE., LLC","state":"MD","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/MD0052680"},"about":[{"label":"What it is","text":"Schools & Educational Services (EPA's industry listing)"},{"label":"Where","text":"Upper Marlboro, Maryland","href":"https://www.openstreetmap.org/?mlat=38.72&mlon=-76.777222#map=14/38.72/-76.777222"},{"label":"Last 12 months","text":"No values over a limit"},{"label":"Permit","text":"In force until Feb 29, 2028"}],"renewal_due":null,"renewal_check":{"offered_because":"application_due_within_18_months","application_due":"2027-09-02","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MD0052680#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":{"state":"MD","sic":"82","permits":20,"list":"https://passage-data.com/api/v1/permits?state=MD&sic=82","page":"https://passage-data.com/dmr/s/MD/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":"instantaneous minimum","qualifier":">=","value":"5","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"30-day average","qualifier":"<=","value":"12","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. 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C","parameter_code":"00310","statistic":"7-day average","qualifier":"<=","value":"3.8","unit":"lb/d","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"8.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"30-day average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"7-day average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"30-day average","qualifier":"<=","value":"2.5","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"7-day average","qualifier":"<=","value":"3.8","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.2","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"2.2","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"weekly average","qualifier":"<=","value":"7.7","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"weekly average","qualifier":"<=","value":"8.4","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly load","qualifier":"<=","value":".1","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly load","qualifier":"<=","value":".18","unit":"lb/d","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"weekly average","qualifier":"<=","value":".64","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"weekly maximum","qualifier":"<=","value":".7","unit":"lb/d","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"30-day average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"maximum","qualifier":"<=","value":".1","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"FACILITY EFFLUENT"},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"geometric mean","qualifier":"<=","value":"126","unit":"MPN/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"FACILITY EFFLUENT"}],"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":"MD","sic":"82"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=MD&sic=82","url":"https://passage-data.com/api/v1/permits?state=MD&sic=82","page":"https://passage-data.com/dmr/s/MD/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":"MD0052680"},"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=MD0052680"},{"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":"MD0052680"},"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=MD0052680"}]}