{"permit":"MT0022993","name":"USBOR-YELLOWTAIL DAM WASTEWATER TREATMENT FACILITY","state":"MT","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/MT0022993"},"about":[{"label":"What it is","text":"Federal facility · Sewerage Systems (EPA's industry listing)"},{"label":"Where","text":"Yellowtail, Montana","href":"https://www.openstreetmap.org/?mlat=45.3075&mlon=-107.9575#map=14/45.3075/-107.9575"},{"label":"Last 12 months","text":"No values over a limit"},{"label":"Permit","text":"In force until Feb 29, 2028"}],"renewal_due":null,"renewal_check":{"offered_because":"application_due_within_18_months","application_due":"2027-09-02","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MT0022993#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":"MT","sic":"4952","permits":92,"list":"https://passage-data.com/api/v1/permits?state=MT&sic=4952"},"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":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"30-day average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"EFFLUENT MONITORING"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"7-day average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"EFFLUENT MONITORING"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"instantaneous minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"EFFLUENT MONITORING"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"instantaneous maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"EFFLUENT MONITORING"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"30-day average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"EFFLUENT MONITORING"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"7-day average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"EFFLUENT MONITORING"},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"30-day geometric mean","qualifier":"<=","value":"126","unit":"#/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"EFFLUENT MONITORING"},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"daily maximum","qualifier":"<=","value":"410","unit":"#/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"EFFLUENT MONITORING"},{"outfall":"001","parameter":"BOD, 5-day, percent removal","parameter_code":"81010","statistic":"monthly average minimum","qualifier":">=","value":"85","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"EFFLUENT MONITORING"},{"outfall":"001","parameter":"Solids, suspended percent removal","parameter_code":"81011","statistic":"monthly average minimum","qualifier":">=","value":"85","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"EFFLUENT MONITORING"},{"outfall":"001","parameter":"Flow, total","parameter_code":"82220","statistic":"30-day average","qualifier":null,"value":null,"unit":"gal/d","report_only":true,"enforceable":true,"months":"all","limit_set":"EFFLUENT MONITORING"},{"outfall":"001","parameter":"Flow, total","parameter_code":"82220","statistic":"daily maximum","qualifier":null,"value":null,"unit":"gal/d","report_only":true,"enforceable":true,"months":"all","limit_set":"EFFLUENT MONITORING"},{"outfall":"001","parameter":"Oil and grease visual","parameter_code":"84066","statistic":"instantaneous maximum","qualifier":"<","value":"1","unit":"N=0;Y=1","report_only":false,"enforceable":true,"months":"all","limit_set":"EFFLUENT MONITORING"},{"outfall":"001I","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"30-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"INFLUENT MONITORING - MONTHLY"},{"outfall":"001I","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"7-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"INFLUENT MONITORING - MONTHLY"},{"outfall":"001I","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"30-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"INFLUENT MONITORING - MONTHLY"},{"outfall":"001I","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"7-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"INFLUENT MONITORING - 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":"MT","sic":"4952"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=MT&sic=4952","url":"https://passage-data.com/api/v1/permits?state=MT&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":"MT0022993"},"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=MT0022993"},{"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":"MT0022993"},"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=MT0022993"}]}