{"permit":"MT0020591","name":"HOT SPRINGS, TOWN OF","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/MT0020591"},"about":[{"label":"What it is","text":"Sewage treatment plant"},{"label":"Where","text":"Hot Springs, Montana","href":"https://www.openstreetmap.org/?mlat=47.613056&mlon=-114.648611#map=14/47.613056/-114.648611"},{"label":"Last 12 months","text":"Over a limit 6 times, last in August 2026 (E. coli; Coliform, fecal general). 2 of 36 reports filed late"},{"label":"Permit","text":"Expired Jun 30, 2023; its limits still apply until a new permit is issued, and EPA still expects the reports"}],"renewal_due":null,"renewal_check":{"offered_because":"permit_expired","application_due":"2023-01-01","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MT0020591#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":"2026-09-30","over":6,"over_by":[["E. coli",5],["Coliform, fecal general",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"001","parameter":"Temperature, water deg. centigrade","parameter_code":"00010","statistic":"daily maximum","qualifier":null,"value":null,"unit":"deg C","report_only":true,"enforceable":true,"months":"all","limit_set":"All samples will be collected from Hot Spring Creek where the creek flow under Ekblad Road."},{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"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":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"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":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":null,"value":null,"unit":"SU","report_only":true,"enforceable":true,"months":"all","limit_set":"All samples will be collected from Hot Spring Creek where the creek flow under Ekblad Road."},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":null,"value":null,"unit":"SU","report_only":true,"enforceable":true,"months":"all","limit_set":"All samples will be collected from Hot Spring Creek where the creek flow under Ekblad Road."},{"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":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"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":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"Oil & Grease","parameter_code":"00556","statistic":"daily maximum","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"30-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"Nitrite + Nitrate total [as N]","parameter_code":"00630","statistic":"30-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"Nitrite + Nitrate total [as N]","parameter_code":"00630","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"30-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"Floating solids, waste or visible foam-visual","parameter_code":"45613","statistic":"instantaneous maximum","qualifier":"<=","value":"0","unit":"N=0;Y=1","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"30-day average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"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":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"30-day average","qualifier":"<=","value":".11","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"daily maximum","qualifier":"<=","value":".19","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"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":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"7-day geometric mean","qualifier":"<=","value":"252","unit":"#/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"Date of Sample Collection","parameter_code":"51883","statistic":"value","qualifier":null,"value":null,"unit":"date","report_only":true,"enforceable":true,"months":"all","limit_set":"All samples will be collected from Hot Spring Creek where the creek flow under Ekblad Road."},{"outfall":"001","parameter":"Time of Sample Collection","parameter_code":"51894","statistic":"value","qualifier":null,"value":null,"unit":"time","report_only":true,"enforceable":true,"months":"all","limit_set":"All samples will be collected from Hot Spring Creek where the creek flow under Ekblad Road."},{"outfall":"001","parameter":"Solids, total dissolved","parameter_code":"70295","statistic":"30-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"Solids, total dissolved","parameter_code":"70295","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"Coliform, fecal general","parameter_code":"74055","statistic":"30-day geometric mean","qualifier":"<=","value":"200","unit":"#/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"Coliform, fecal general","parameter_code":"74055","statistic":"7-day geometric mean","qualifier":"<=","value":"400","unit":"#/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"},{"outfall":"001","parameter":"Oil and grease visual","parameter_code":"84066","statistic":"instantaneous maximum","qualifier":"<=","value":"0","unit":"N=0;Y=1","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharge from pipe to open ditch which flow approx. 280 ft. to Hot Springs Creek"}],"next":[{"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":"MT0020591"},"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=MT0020591"},{"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":"MT0020591"},"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=MT0020591"}]}