{"permit":"MD0023272","name":"LANDSMAN, 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/MD0023272"},"about":[{"label":"What it is","text":"Mobile Home Site Operators (EPA's industry listing)"},{"label":"Where","text":"Crownsville, Maryland","href":"https://www.openstreetmap.org/?mlat=39.010556&mlon=-76.59#map=14/39.010556/-76.59"},{"label":"Last 12 months","text":"Over a limit 38 times, last in May 2026 (Nitrogen, ammonia total [as N]; Solids, total suspended; Nitrogen, Kjeldahl, total [as N]). 1 of 21 reports filed late"},{"label":"Permit","text":"In force until Oct 31, 2030"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"MD","sic":"65","permits":9,"list":"https://passage-data.com/api/v1/permits?state=MD&sic=65","page":"https://passage-data.com/dmr/s/MD/65"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":38,"over_by":[["Nitrogen, ammonia total [as N]",19],["Solids, total suspended",12],["Nitrogen, Kjeldahl, total [as N]",4]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Nitrogen, ammonia total [as N]","times":19,"find_limits":{"parameter":"ammonia","place":"US-MD","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=ammonia&place=US-MD&medium=surface_water"},{"parameter":"Solids, total suspended","times":12,"find_limits":{"parameter":"total suspended solids","place":"US-MD","medium":"water_discharge"},"get":"https://passage-data.com/api/v1/limits?parameter=total+suspended+solids&place=US-MD&medium=water_discharge"}],"upcoming":[{"parameter":"Nitrogen, ammonia total [as N]","outfall":"001","limit":1.3,"unit":"mg/L","statistic":"maximum monthly average","statistic_code":"M2","begin":"2028-11-01","kind":"tighter","months":["JAN","FEB","MAR","APR","NOV","DEC"],"now":{"median":1.63,"n":6},"times_limit":1.25},{"parameter":"Nitrogen, ammonia total [as N]","outfall":"001","limit":0.7,"unit":"mg/L","statistic":"maximum monthly average","statistic_code":"M2","begin":"2028-11-01","kind":"tighter","months":["MAY","JUN","JUL","AUG","SEP","OCT"],"now":{"median":0.16,"n":5},"times_limit":0.229},{"parameter":"Nitrogen, ammonia total [as N]","outfall":"001","limit":0.11,"unit":"lb/d","statistic":"maximum monthly average","statistic_code":"M2","begin":"2028-11-01","kind":"tighter","months":["MAY","JUN","JUL","AUG","SEP","OCT"],"now":{"median":0.03,"n":5},"times_limit":0.273},{"parameter":"Nitrogen, ammonia total [as N]","outfall":"001","limit":3.2,"unit":"mg/L","statistic":"maximum daily average","statistic_code":"MQ","begin":"2028-11-01","kind":"tighter","months":["MAY","JUN","JUL","AUG","SEP","OCT"],"now":{"median":0.32,"n":5},"times_limit":0.1}],"limits":[{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"instantaneous minimum","qualifier":">=","value":"6","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"23-DP-0734"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. 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