{"permit":"TN0021296","name":"CH2M HILL Constructors, Inc.","state":"TN","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/TN0021296"},"about":[{"label":"What it is","text":"Federal facility · Sewerage Systems (EPA's industry listing) · rated a major discharger by EPA"},{"label":"Where","text":"Fort Campbell, Tennessee","href":"https://www.openstreetmap.org/?mlat=36.61104&mlon=-87.46233#map=14/36.61104/-87.46233"},{"label":"Last 12 months","text":"Over a limit 4 times, last in July 2026 (SSO, Dry Weather)"},{"label":"Permit","text":"In force until Feb 28, 2029"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"TN","sic":"4952","permits":365,"list":"https://passage-data.com/api/v1/permits?state=TN&sic=4952"},"limits_from_version":null,"record":{"last_filed":"2026-09-30","over":4,"over_by":[["SSO, Dry 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get_permit address; `get` is the address to fetch.","arguments":{"state":"TN","sic":"4952"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=TN&sic=4952","url":"https://passage-data.com/api/v1/permits?state=TN&sic=4952"},{"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":"TN0021296"},"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=TN0021296"},{"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":"TN0021296"},"needs":{"period_end":"The reporting 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