{"permit":"MN0022985","name":"CALLAWAY","state":"MN","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/MN0022985"},"about":[{"label":"What it is","text":"Sewage treatment plant"},{"label":"Where","text":"Callaway, Minnesota","href":"https://www.openstreetmap.org/?mlat=46.981667&mlon=-95.906667#map=14/46.981667/-95.906667"},{"label":"Last 12 months","text":"No values over a limit. 1 required value not reported"},{"label":"Permit","text":"In force until Jan 15, 2031"}],"renewal_due":null,"renewal_check":null,"sector":null,"limits_from_version":null,"record":{"last_filed":"2026-09-30","over":0,"over_by":[],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"010","parameter":"Precipitation, total defined period/in","parameter_code":"00193","statistic":"monthly total","qualifier":null,"value":null,"unit":"in","report_only":true,"enforceable":true,"months":"all","limit_set":"Main facility 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check_dmr sets each value beside the permit's limit for that period, with EPA's violation rule's verdict.","arguments":{"permit":"MN0022985"},"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=MN0022985"},{"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":"MN0022985"},"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=MN0022985"}]}