{"permit":"MO0000574","name":"Caldera Holding LLC","state":"MO","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/MO0000574"},"about":[{"label":"What it is","text":"Iron Ores (EPA's industry listing) · rated a major discharger by EPA"},{"label":"Where","text":"Sullivan, Missouri","href":"https://www.openstreetmap.org/?mlat=38.1304763&mlon=-91.026247#map=14/38.1304763/-91.026247"},{"label":"Last 12 months","text":"Over a limit 8 times, last in August 2026 (Lead, total recoverable; Copper, total recoverable; Iron, total recoverable). 2 required values not reported. 4 of 12 reports filed late"},{"label":"Permit","text":"In force until Jun 30, 2027"}],"renewal_due":{"date":"2027-01-01","when":"Jan 1, 2027 (in 58 days)","urgent":false},"renewal_check":{"offered_because":"application_due_within_18_months","application_due":"2027-01-01","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MO0000574#renewal","says":"Each limit a renewal could tighten or add, from the state's water-quality standards and the federal rules for this kind of discharge, each cited to its rule, beside EPA's 12-month record; a rule we do not hold is named, never guessed. A person orders it on the permit's page with their email; it is sent by email within 5 business days."},"sector":{"state":"MO","sic":"10","permits":12,"list":"https://passage-data.com/api/v1/permits?state=MO&sic=10","page":"https://passage-data.com/dmr/s/MO/10"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":8,"over_by":[["Lead, total recoverable",3],["Copper, total recoverable",3],["Iron, total recoverable",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Lead, total recoverable","times":3,"find_limits":{"parameter":"lead","place":"US-MO","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=lead&place=US-MO&medium=surface_water"},{"parameter":"Copper, total recoverable","times":3,"find_limits":{"parameter":"copper","place":"US-MO","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=copper&place=US-MO&medium=surface_water"},{"parameter":"Iron, total recoverable","times":1,"find_limits":{"parameter":"iron","place":"US-MO","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=iron&place=US-MO&medium=surface_water"}],"limits":[{"outfall":"001","parameter":"Oxygen demand, chem. [high level] [COD]","parameter_code":"00340","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Oxygen demand, chem. [high level] [COD]","parameter_code":"00340","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"20","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Oil and grease [soxhlet extr.] tot.","parameter_code":"00550","statistic":"daily maximum","qualifier":"<=","value":"15","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Oil and grease [soxhlet extr.] tot.","parameter_code":"00550","statistic":"monthly average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Sulfate, total [as SO4]","parameter_code":"00945","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Sulfate, total [as SO4]","parameter_code":"00945","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Arsenic, total recoverable","parameter_code":"00978","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Arsenic, total recoverable","parameter_code":"00978","statistic":"monthly average","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Iron, total recoverable","parameter_code":"00980","statistic":"daily maximum","qualifier":"<=","value":"1462.8","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Iron, total recoverable","parameter_code":"00980","statistic":"monthly average","qualifier":"<=","value":"438.2","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Selenium, total recoverable","parameter_code":"00981","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Selenium, total recoverable","parameter_code":"00981","statistic":"monthly average","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Thallium, total recoverable","parameter_code":"00982","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Thallium, total recoverable","parameter_code":"00982","statistic":"monthly average","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Beryllium, total recoverable [as Be]","parameter_code":"00998","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Beryllium, total recoverable [as Be]","parameter_code":"00998","statistic":"monthly average","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Nickel, total recoverable","parameter_code":"01074","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Nickel, total recoverable","parameter_code":"01074","statistic":"monthly average","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Silver total recoverable","parameter_code":"01079","statistic":"daily maximum","qualifier":"<=","value":"9.4","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Silver total recoverable","parameter_code":"01079","statistic":"monthly average","qualifier":"<=","value":"3.8","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Zinc, total recoverable","parameter_code":"01094","statistic":"daily maximum","qualifier":"<=","value":"188.2","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Zinc, total recoverable","parameter_code":"01094","statistic":"monthly average","qualifier":"<=","value":"56.8","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Aluminum, total recoverable","parameter_code":"01104","statistic":"daily maximum","qualifier":"<=","value":"750","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Aluminum, total recoverable","parameter_code":"01104","statistic":"monthly average","qualifier":"<=","value":"248.5","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Cadmium, total recoverable","parameter_code":"01113","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Cadmium, total recoverable","parameter_code":"01113","statistic":"monthly average","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Lead, total recoverable","parameter_code":"01114","statistic":"daily maximum","qualifier":"<=","value":"11.1","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Lead, total recoverable","parameter_code":"01114","statistic":"monthly average","qualifier":"<=","value":"3.7","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Copper, total recoverable","parameter_code":"01119","statistic":"daily maximum","qualifier":"<=","value":"23.1","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Copper, total recoverable","parameter_code":"01119","statistic":"monthly average","qualifier":"<=","value":"9.3","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Chromium, hexavalent dissolved [as Cr]","parameter_code":"01220","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Chromium, hexavalent dissolved [as Cr]","parameter_code":"01220","statistic":"monthly average","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Chromium, trivalent total recoverable","parameter_code":"04262","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Chromium, trivalent total recoverable","parameter_code":"04262","statistic":"monthly average","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Chloride","parameter_code":"46225","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Chloride","parameter_code":"46225","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"monthly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Toxicity [acute], Ceriodaphnia dubia","parameter_code":"61425","statistic":"daily maximum","qualifier":null,"value":null,"unit":"toxic","report_only":true,"enforceable":true,"months":"all","limit_set":"WET Test Acute"},{"outfall":"001","parameter":"Toxicity [acute], Pimephales promelas [Fathead Minnow]","parameter_code":"61427","statistic":"daily maximum","qualifier":null,"value":null,"unit":"toxic","report_only":true,"enforceable":true,"months":"all","limit_set":"WET Test Acute"},{"outfall":"001","parameter":"Chlorides + Sulfates","parameter_code":"82209","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Chlorides + Sulfates","parameter_code":"82209","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"}],"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":"MO","sic":"10"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=MO&sic=10","url":"https://passage-data.com/api/v1/permits?state=MO&sic=10","page":"https://passage-data.com/dmr/s/MO/10"},{"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":"lead","place":"US-MO","medium":"surface_water"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=lead&place=US-MO&medium=surface_water","url":"https://passage-data.com/api/v1/limits?parameter=lead&place=US-MO&medium=surface_water","page":"https://passage-data.com/limits/US-MO/lead"},{"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":"MO0000574"},"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=MO0000574"},{"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":"MO0000574"},"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=MO0000574"}]}