{"permit":"MD3893F24","name":"The Benedictine School for Exceptional Children Wastewater Treatment Plant","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/MD3893F24"},"about":[{"label":"What it is","text":"Industrial or other facility"},{"label":"Where","text":"Ridgely, Maryland","href":"https://www.openstreetmap.org/?mlat=39.00328&mlon=-75.88689#map=14/39.00328/-75.88689"},{"label":"Last 12 months","text":"No values over a limit. 9 required values not reported"},{"label":"Permit","text":"In force until Jun 30, 2031"}],"renewal_due":null,"renewal_check":null,"sector":null,"limits_from_version":null,"record":{"last_filed":null,"over":0,"over_by":[],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"maximum monthly average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"maximum monthly average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"001","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"maximum monthly average","qualifier":"<=","value":"20","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"001","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"cumulative total","qualifier":"<=","value":"608.8","unit":"lb/yr","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"001","parameter":"Nitrogen, nitrite total [as N]","parameter_code":"00615","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"001","parameter":"Nitrogen, nitrate total [as N]","parameter_code":"00620","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"001","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"maximum monthly average","qualifier":"<=","value":"10000","unit":"gal/d","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"maximum daily average","qualifier":"<=","value":"25000","unit":"gal/d","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW1","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"annual average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW1","parameter":"Nitrogen, nitrite total [as N]","parameter_code":"00615","statistic":"annual average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW1","parameter":"Nitrogen, nitrate total [as N]","parameter_code":"00620","statistic":"annual average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW1","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"annual average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW1","parameter":"Chloride [as Cl]","parameter_code":"00940","statistic":"annual average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW1","parameter":"E. coli","parameter_code":"51040","statistic":"annual average","qualifier":null,"value":null,"unit":"MPN/100mL","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW1","parameter":"Solids, total dissolved","parameter_code":"70295","statistic":"annual average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW2","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"annual average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW2","parameter":"Nitrogen, nitrite total [as N]","parameter_code":"00615","statistic":"annual average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW2","parameter":"Nitrogen, nitrate total [as N]","parameter_code":"00620","statistic":"annual average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW2","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"annual average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW2","parameter":"Chloride [as Cl]","parameter_code":"00940","statistic":"annual average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW2","parameter":"E. coli","parameter_code":"51040","statistic":"annual average","qualifier":null,"value":null,"unit":"MPN/100mL","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW2","parameter":"Solids, total dissolved","parameter_code":"70295","statistic":"annual average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW3","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"maximum annual average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW3","parameter":"Nitrogen, nitrite total [as N]","parameter_code":"00615","statistic":"maximum annual average","qualifier":"<=","value":"1","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW3","parameter":"Nitrogen, nitrate total [as N]","parameter_code":"00620","statistic":"maximum annual average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW3","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"annual average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW3","parameter":"Chloride [as Cl]","parameter_code":"00940","statistic":"maximum annual average","qualifier":"<=","value":"250","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW3","parameter":"E. coli","parameter_code":"51040","statistic":"monthly geometric mean","qualifier":"<=","value":"2.2","unit":"MPN/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW3","parameter":"Solids, total dissolved","parameter_code":"70295","statistic":"maximum annual average","qualifier":"<=","value":"500","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW4","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"maximum annual average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW4","parameter":"Nitrogen, nitrite total [as N]","parameter_code":"00615","statistic":"maximum annual average","qualifier":"<=","value":"1","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW4","parameter":"Nitrogen, nitrate total [as N]","parameter_code":"00620","statistic":"maximum annual average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW4","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"annual average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW4","parameter":"Chloride [as Cl]","parameter_code":"00940","statistic":"maximum annual average","qualifier":"<=","value":"250","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW4","parameter":"E. coli","parameter_code":"51040","statistic":"monthly geometric mean","qualifier":"<=","value":"2.2","unit":"MPN/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW4","parameter":"Solids, total dissolved","parameter_code":"70295","statistic":"maximum annual average","qualifier":"<=","value":"500","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW5","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"maximum annual average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW5","parameter":"Nitrogen, nitrite total [as N]","parameter_code":"00615","statistic":"maximum annual average","qualifier":"<=","value":"1","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW5","parameter":"Nitrogen, nitrate total [as N]","parameter_code":"00620","statistic":"maximum annual average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW5","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"annual average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW5","parameter":"Chloride [as Cl]","parameter_code":"00940","statistic":"maximum annual average","qualifier":"<=","value":"250","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW5","parameter":"E. coli","parameter_code":"51040","statistic":"monthly geometric mean","qualifier":"<=","value":"2.2","unit":"MPN/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW5","parameter":"Solids, total dissolved","parameter_code":"70295","statistic":"maximum annual average","qualifier":"<=","value":"500","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW6","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"maximum annual average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW6","parameter":"Nitrogen, nitrite total [as N]","parameter_code":"00615","statistic":"maximum annual average","qualifier":"<=","value":"1","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW6","parameter":"Nitrogen, nitrate total [as N]","parameter_code":"00620","statistic":"maximum annual average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW6","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"annual average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW6","parameter":"Chloride [as Cl]","parameter_code":"00940","statistic":"maximum annual average","qualifier":"<=","value":"250","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW6","parameter":"E. coli","parameter_code":"51040","statistic":"monthly geometric mean","qualifier":"<=","value":"2.2","unit":"MPN/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"},{"outfall":"MW6","parameter":"Solids, total dissolved","parameter_code":"70295","statistic":"maximum annual average","qualifier":"<=","value":"500","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"26-DP-3893"}],"next":[{"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":"MD3893F24"},"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=MD3893F24"},{"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":"MD3893F24"},"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=MD3893F24"}]}