{"permit":"MT0020249","name":"TOWN OF JOLIET                                                                  ","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/MT0020249"},"about":[{"label":"What it is","text":"Sewage treatment plant"},{"label":"Where","text":"Joliet, Montana","href":"https://www.openstreetmap.org/?mlat=45.486667&mlon=-108.961944#map=14/45.486667/-108.961944"},{"label":"Last 12 months","text":"Over a limit 14 times, last in May 2026 (Solids, total suspended; Nitrogen, ammonia total [as N]; Solids, suspended percent removal)"},{"label":"Permit","text":"In force until Dec 31, 2027"}],"renewal_due":null,"renewal_check":{"offered_because":"application_due_within_18_months","application_due":"2027-07-04","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MT0020249#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":null,"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":14,"over_by":[["Solids, total suspended",5],["Nitrogen, ammonia total [as N]",5],["Solids, suspended percent removal",4]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Solids, total suspended","times":5,"find_limits":{"parameter":"total suspended solids","place":"US-MT","medium":"water_discharge"},"get":"https://passage-data.com/api/v1/limits?parameter=total+suspended+solids&place=US-MT&medium=water_discharge"},{"parameter":"Nitrogen, ammonia total [as N]","times":5,"find_limits":{"parameter":"ammonia","place":"US-MT","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=ammonia&place=US-MT&medium=surface_water"}],"limits":[{"outfall":"001","parameter":"Flow rate","parameter_code":"00056","statistic":"monthly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY MONITORING"},{"outfall":"001","parameter":"Flow rate","parameter_code":"00056","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY MONITORING"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. 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one for each parameter.","arguments":{"parameter":"total suspended solids","place":"US-MT","medium":"water_discharge"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=total+suspended+solids&place=US-MT&medium=water_discharge","url":"https://passage-data.com/api/v1/limits?parameter=total+suspended+solids&place=US-MT&medium=water_discharge","page":"https://passage-data.com/limits/US-MT/total-suspended-solids"},{"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":"MT0020249"},"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=MT0020249"},{"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":"MT0020249"},"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=MT0020249"}]}