{"permit":"MD0070696","name":"HARFORD COUNTY PUBLIC SCHOOLS HICKORY ANNEX","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/MD0070696"},"about":[{"label":"What it is","text":"Elementary And Secondary Schools (EPA's industry listing)"},{"label":"Where","text":"Bel Air, Maryland","href":"https://www.openstreetmap.org/?mlat=39.57893&mlon=-76.34386#map=14/39.57893/-76.34386"},{"label":"Last 12 months","text":"Over a limit once, last in March 2026 (Oil & Grease)"},{"label":"Permit","text":"In force until Aug 31, 2029"}],"renewal_due":null,"renewal_check":null,"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":"2026-06-30","over":1,"over_by":[["Oil & Grease",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Oil & Grease","times":1,"find_limits":{"parameter":"oil grease","place":"US-MD","medium":"water_discharge"},"get":"https://passage-data.com/api/v1/limits?parameter=oil+grease&place=US-MD&medium=water_discharge"}],"limits":[{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"quarterly average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"22-DP-3826"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"quarterly average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"22-DP-3826"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"60","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"22-DP-3826"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"60","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"22-DP-3826"},{"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-3826"},{"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-3826"},{"outfall":"001","parameter":"Flow","parameter_code":"74076","statistic":"quarterly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3826"},{"outfall":"001","parameter":"Flow","parameter_code":"74076","statistic":"quarterly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3826"},{"outfall":"001","parameter":"Flow","parameter_code":"74076","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3826"},{"outfall":"001","parameter":"Flow","parameter_code":"74076","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"22-DP-3826"}],"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":"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":"oil grease","place":"US-MD","medium":"water_discharge"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=oil+grease&place=US-MD&medium=water_discharge","url":"https://passage-data.com/api/v1/limits?parameter=oil+grease&place=US-MD&medium=water_discharge","page":"https://passage-data.com/limits/US-MD/oil-grease"},{"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":"MD0070696"},"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=MD0070696"},{"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":"MD0070696"},"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=MD0070696"}]}