{"permit":"FL0000400","name":"WestRock CP LLC","state":"FL","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/FL0000400"},"about":[{"label":"What it is","text":"Paper Mills (EPA's industry listing) · rated a major discharger by EPA"},{"label":"Where","text":"Jacksonville, Florida","href":"https://www.openstreetmap.org/?mlat=30.4239583&mlon=-81.6027167#map=14/30.4239583/-81.6027167"},{"label":"Last 12 months","text":"Over a limit once, last in December 2025 (Copper, total recoverable)"},{"label":"Permit","text":"In force until Oct 28, 2029"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"FL","sic":"26","permits":7,"list":"https://passage-data.com/api/v1/permits?state=FL&sic=26","page":"https://passage-data.com/dmr/s/FL/26"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":1,"over_by":[["Copper, total 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fetch.","arguments":{"state":"FL","sic":"26"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=FL&sic=26","url":"https://passage-data.com/api/v1/permits?state=FL&sic=26","page":"https://passage-data.com/dmr/s/FL/26"},{"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":"copper","place":"US-FL","medium":"surface_water"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=copper&place=US-FL&medium=surface_water","url":"https://passage-data.com/api/v1/limits?parameter=copper&place=US-FL&medium=surface_water","page":"https://passage-data.com/limits/US-FL/copper"},{"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":"FL0000400"},"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=FL0000400"},{"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":"FL0000400"},"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=FL0000400"}]}