{"permit":"MD0066818","name":"DUNDALK MARINE TERMINAL","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/MD0066818"},"about":[{"label":"What it is","text":"Marine Cargo Handling (EPA's industry listing)"},{"label":"Where","text":"Baltimore, Maryland","href":"https://www.openstreetmap.org/?mlat=39.247488&mlon=-76.530352#map=14/39.247488/-76.530352"},{"label":"Last 12 months","text":"No values over a limit. 18 required values not reported"},{"label":"Permit","text":"In force until Jan 31, 2030"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"MD","sic":"44","permits":2,"list":"https://passage-data.com/api/v1/permits?state=MD&sic=44"},"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":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"26","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"52","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"001","parameter":"Oil & Grease","parameter_code":"00556","statistic":"daily maximum","qualifier":"<=","value":"15","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"001","parameter":"Cyanide, total [as CN]","parameter_code":"00720","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"001","parameter":"Hardness, total [as CaCO3]","parameter_code":"00900","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"001","parameter":"Chromium, hexavalent [as Cr]","parameter_code":"01032","statistic":"monthly average","qualifier":"<=","value":".05","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"001","parameter":"Chromium, hexavalent [as Cr]","parameter_code":"01032","statistic":"daily maximum","qualifier":"<=","value":".1","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"001","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"monthly average","qualifier":"<=","value":"1.71","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"001","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"daily maximum","qualifier":"<=","value":"2.77","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"001","parameter":"Copper, dissolved [as Cu]","parameter_code":"01040","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"001","parameter":"Copper, total [as Cu]","parameter_code":"01042","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"001","parameter":"Nickel, dissolved [as Ni]","parameter_code":"01065","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"001","parameter":"Nickel, total [as Ni]","parameter_code":"01067","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"monthly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"001","parameter":"Cyanide, free available","parameter_code":"51173","statistic":"monthly average","qualifier":"<=","value":".049","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"001","parameter":"Cyanide, free available","parameter_code":"51173","statistic":"daily maximum","qualifier":"<=","value":".049","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"006","parameter":"Chromium, hexavalent [as Cr]","parameter_code":"01032","statistic":"value","qualifier":"<=","value":".55","unit":"mg/L","report_only":false,"enforceable":false,"months":"all","limit_set":"22-DP-3060"},{"outfall":"006","parameter":"Chromium, hexavalent [as Cr]","parameter_code":"01032","statistic":"value","qualifier":"<=","value":".55","unit":"mg/L","report_only":false,"enforceable":false,"months":"all","limit_set":"22-DP-3060"},{"outfall":"006","parameter":"Chromium, hexavalent [as Cr]","parameter_code":"01032","statistic":"value","qualifier":"<=","value":".55","unit":"mg/L","report_only":false,"enforceable":false,"months":"all","limit_set":"22-DP-3060"},{"outfall":"006","parameter":"Chromium, hexavalent [as Cr]","parameter_code":"01032","statistic":"value","qualifier":"<=","value":".55","unit":"mg/L","report_only":false,"enforceable":false,"months":"all","limit_set":"22-DP-3060"},{"outfall":"006","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"value","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"006","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"value","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"006","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"value","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"006","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"value","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"006","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"value","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"006","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"value","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"006","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"value","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"006","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"value","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"013","parameter":"Chromium, hexavalent [as Cr]","parameter_code":"01032","statistic":"value","qualifier":"<=","value":".55","unit":"mg/L","report_only":false,"enforceable":false,"months":"all","limit_set":"22-DP-3060"},{"outfall":"013","parameter":"Chromium, hexavalent [as Cr]","parameter_code":"01032","statistic":"value","qualifier":"<=","value":".55","unit":"mg/L","report_only":false,"enforceable":false,"months":"all","limit_set":"22-DP-3060"},{"outfall":"013","parameter":"Chromium, hexavalent [as Cr]","parameter_code":"01032","statistic":"value","qualifier":"<=","value":".55","unit":"mg/L","report_only":false,"enforceable":false,"months":"all","limit_set":"22-DP-3060"},{"outfall":"013","parameter":"Chromium, hexavalent [as Cr]","parameter_code":"01032","statistic":"value","qualifier":"<=","value":".55","unit":"mg/L","report_only":false,"enforceable":false,"months":"all","limit_set":"22-DP-3060"},{"outfall":"013","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"value","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"013","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"value","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"013","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"value","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"013","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"value","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"013","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"value","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"013","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"value","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"013","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"value","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"},{"outfall":"013","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"value","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3060"}],"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":"44"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=MD&sic=44","url":"https://passage-data.com/api/v1/permits?state=MD&sic=44"},{"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":"MD0066818"},"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=MD0066818"},{"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":"MD0066818"},"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=MD0066818"}]}